Documentation
¶
Overview ¶
Package linux contains the constants and types needed to interface with a Linux kernel.
Index ¶
- Constants
- Variables
- func ControlCharacter(c byte) uint8
- func DecodeDeviceID(rdev uint32) (uint16, uint32)
- func ForEachSignal(mask SignalSet, f func(sig Signal))
- func IOC(dir, typ, nr, size uint32) uint32
- func MakeDeviceID(major uint16, minor uint32) uint32
- func SignalNoInfoFuncFromContext(ctx context.Context) func(Signal) error
- type BPFAction
- type BPFInstruction
- type CString
- type CapUserData
- type CapUserHeader
- type Capability
- type ClockT
- type CloneArgs
- type ControlMessageCredentials
- type ControlMessageHeader
- type ControlMessageIPPacketInfo
- type ControlMessageIPv6PacketInfo
- type ElfHeader64
- type ElfProg64
- type ElfSection64
- type EpollEvent
- type ErrorName
- type EthtoolCmd
- type EthtoolGFeatures
- type EthtoolGetFeaturesBlock
- type ExtensionName
- type FOwnerEx
- type FUSEAttr
- type FUSECreateIn
- type FUSECreateMeta
- type FUSECreateOut
- type FUSEDirent
- type FUSEDirentMeta
- type FUSEDirents
- type FUSEEmptyIn
- type FUSEEntryOut
- type FUSEFsyncIn
- type FUSEGetAttrIn
- type FUSEGetAttrOut
- type FUSEHeaderIn
- type FUSEHeaderOut
- type FUSEInitIn
- type FUSEInitOut
- type FUSELookupIn
- type FUSEMkdirIn
- type FUSEMkdirMeta
- type FUSEMknodIn
- type FUSEMknodMeta
- type FUSEOpID
- type FUSEOpcode
- type FUSEOpenIn
- type FUSEOpenOut
- type FUSEReadIn
- type FUSEReleaseIn
- type FUSERenameIn
- type FUSERmDirIn
- type FUSESetAttrIn
- type FUSEStatfsOut
- type FUSESymlinkIn
- type FUSEUnlinkIn
- type FUSEWriteIn
- type FUSEWriteOut
- type FUSEWritePayloadIn
- type FileMode
- type Flock
- type ICMP6Filter
- type IFConf
- type IFMap
- type IFReq
- type IOCallback
- type IOCqRingOffsets
- type IOEvent
- type IORingIndex
- type IORings
- type IOSqRingOffsets
- type IOUring
- type IOUringCqe
- type IOUringParams
- type IOUringSqe
- type IP6TEntry
- type IP6TIP
- type IP6TReplace
- type IPCPerm
- type IPTEntry
- type IPTGetEntries
- type IPTGetinfo
- type IPTIP
- type IPTOwnerInfo
- type IPTReplace
- type Inet6Addr
- type Inet6MulticastRequest
- type InetAddr
- type InetMulticastRequest
- type InetMulticastRequestWithNIC
- type InterfaceAddrMessage
- type InterfaceInfoMessage
- type ItimerVal
- type Itimerspec
- type KernelIP6TEntry
- type KernelIP6TGetEntries
- type KernelIPTEntry
- type KernelIPTGetEntries
- type KernelTermios
- func (t *KernelTermios) CEnabled(flag uint32) bool
- func (t *KernelTermios) FromTermios(term Termios)
- func (t *KernelTermios) IEnabled(flag uint32) bool
- func (t *KernelTermios) IsEOF(c byte) bool
- func (t *KernelTermios) IsTerminating(cBytes []byte) bool
- func (t *KernelTermios) LEnabled(flag uint32) bool
- func (t *KernelTermios) OEnabled(flag uint32) bool
- func (t *KernelTermios) ToTermios() Termios
- type KernelXTEntryMatch
- type KernelXTEntryTarget
- type Linger
- type MqAttr
- type MsgBuf
- type MsgInfo
- type MsqidDS
- type NFNATRange
- type NetlinkAttrHeader
- type NetlinkErrorMessage
- type NetlinkMessageHeader
- type NfNATIPV4MultiRangeCompat
- type NfNATIPV4Range
- type NumaPolicy
- type PollFD
- type PtraceRegs
- type RLimit
- type RSeq
- type RSeqCriticalSection
- type RobustListHead
- type RouteMessage
- type RtAttr
- type Rusage
- type SeccompData
- type SemInfo
- type Sembuf
- type SemidDS
- type ShmInfo
- type ShmParams
- type ShmidDS
- type SigAction
- type Sigevent
- type Signal
- type SignalInfo
- func (s *SignalInfo) Addr() uint64
- func (s *SignalInfo) Arch() uint32
- func (s *SignalInfo) Band() int64
- func (s *SignalInfo) CallAddr() uint64
- func (s *SignalInfo) FD() uint32
- func (s *SignalInfo) FixSignalCodeForUser()
- func (s *SignalInfo) Overrun() int32
- func (s *SignalInfo) PID() int32
- func (s *SignalInfo) SetAddr(val uint64)
- func (s *SignalInfo) SetArch(val uint32)
- func (s *SignalInfo) SetBand(val int64)
- func (s *SignalInfo) SetCallAddr(val uint64)
- func (s *SignalInfo) SetFD(val uint32)
- func (s *SignalInfo) SetOverrun(val int32)
- func (s *SignalInfo) SetPID(val int32)
- func (s *SignalInfo) SetSigval(val uint64)
- func (s *SignalInfo) SetStatus(val int32)
- func (s *SignalInfo) SetSyscall(val int32)
- func (s *SignalInfo) SetTimerID(val TimerID)
- func (s *SignalInfo) SetUID(val int32)
- func (s *SignalInfo) Sigval() uint64
- func (s *SignalInfo) Status() int32
- func (s *SignalInfo) Syscall() int32
- func (s *SignalInfo) TimerID() TimerID
- func (s *SignalInfo) UID() int32
- type SignalSet
- type SignalStack
- type SignalfdSiginfo
- type SockAddr
- type SockAddrInet
- type SockAddrInet6
- type SockAddrLink
- type SockAddrNetlink
- type SockAddrUnix
- type SockErrCMsg
- type SockErrCMsgIPv4
- type SockErrCMsgIPv6
- type SockExtendedErr
- type SockFprog
- type SockType
- type Stat
- type Statfs
- type Statx
- type StatxTimestamp
- type Sysinfo
- type TCPInfo
- type TableName
- type Termios
- type TimeT
- type TimerID
- type Timespec
- type Timeval
- type Tms
- type Utime
- type UtsName
- type WaitStatus
- func (ws WaitStatus) Continued() bool
- func (ws WaitStatus) CoreDumped() bool
- func (ws WaitStatus) ExitStatus() uint32
- func (ws WaitStatus) Exited() bool
- func (ws WaitStatus) PtraceEvent() uint32
- func (ws WaitStatus) Signaled() bool
- func (ws WaitStatus) StopSignal() Signal
- func (ws WaitStatus) Stopped() bool
- func (ws WaitStatus) String() string
- func (ws WaitStatus) TerminationSignal() Signal
- func (ws WaitStatus) WithCoreDump() WaitStatus
- type WindowSize
- type Winsize
- type XTCounters
- type XTEntryMatch
- type XTEntryTarget
- type XTErrorTarget
- type XTGetRevision
- type XTRedirectTarget
- type XTSNATTarget
- type XTStandardTarget
- type XTTCP
- type XTUDP
Constants ¶
const ( IOCB_CMD_PREAD = 0 IOCB_CMD_PWRITE = 1 IOCB_CMD_FSYNC = 2 IOCB_CMD_FDSYNC = 3 // 4 was the experimental IOCB_CMD_PREADX. IOCB_CMD_POLL = 5 IOCB_CMD_NOOP = 6 IOCB_CMD_PREADV = 7 IOCB_CMD_PWRITEV = 8 )
I/O commands.
const ( IOCB_FLAG_RESFD = 1 IOCB_FLAG_IOPRIO = 2 )
I/O flags.
const ( VSyscallStartAddr uint64 = 0xffffffffff600000 VSyscallEndAddr uint64 = 0xffffffffff601000 )
Start and end addresses of the vsyscall page.
const ( // AUDIT_ARCH_X86_64 identifies AMD64. AUDIT_ARCH_X86_64 = 0xc000003e // AUDIT_ARCH_AARCH64 identifies ARM64. AUDIT_ARCH_AARCH64 = 0xc00000b7 )
Audit numbers identify different system call APIs, from <uapi/linux/audit.h>
const ( CAP_CHOWN = Capability(0) CAP_DAC_OVERRIDE = Capability(1) CAP_DAC_READ_SEARCH = Capability(2) CAP_FOWNER = Capability(3) CAP_FSETID = Capability(4) CAP_KILL = Capability(5) CAP_SETGID = Capability(6) CAP_SETUID = Capability(7) CAP_SETPCAP = Capability(8) CAP_LINUX_IMMUTABLE = Capability(9) CAP_NET_BIND_SERVICE = Capability(10) CAP_NET_BROADCAST = Capability(11) CAP_NET_ADMIN = Capability(12) CAP_NET_RAW = Capability(13) CAP_IPC_LOCK = Capability(14) CAP_IPC_OWNER = Capability(15) CAP_SYS_MODULE = Capability(16) CAP_SYS_RAWIO = Capability(17) CAP_SYS_CHROOT = Capability(18) CAP_SYS_PTRACE = Capability(19) CAP_SYS_PACCT = Capability(20) CAP_SYS_ADMIN = Capability(21) CAP_SYS_BOOT = Capability(22) CAP_SYS_NICE = Capability(23) CAP_SYS_RESOURCE = Capability(24) CAP_SYS_TIME = Capability(25) CAP_SYS_TTY_CONFIG = Capability(26) CAP_MKNOD = Capability(27) CAP_LEASE = Capability(28) CAP_AUDIT_WRITE = Capability(29) CAP_AUDIT_CONTROL = Capability(30) CAP_SETFCAP = Capability(31) CAP_MAC_OVERRIDE = Capability(32) CAP_MAC_ADMIN = Capability(33) CAP_SYSLOG = Capability(34) CAP_WAKE_ALARM = Capability(35) CAP_BLOCK_SUSPEND = Capability(36) CAP_AUDIT_READ = Capability(37) // CAP_LAST_CAP is the highest-numbered capability. // Seach for "CAP_LAST_CAP" to find other places that need to change. CAP_LAST_CAP = CAP_AUDIT_READ )
Capabilities defined by Linux. Taken from the kernel's include/uapi/linux/capability.h. See capabilities(7) or that file for more detailed capability descriptions.
const ( // LINUX_CAPABILITY_VERSION_1 causes the data pointer to be // interpreted as a pointer to a single cap_user_data_t. Since capability // sets are 64 bits and the "capability sets" in cap_user_data_t are 32 // bits only, this causes the upper 32 bits to be implicitly 0. LINUX_CAPABILITY_VERSION_1 = 0x19980330 // LINUX_CAPABILITY_VERSION_2 and LINUX_CAPABILITY_VERSION_3 cause the // data pointer to be interpreted as a pointer to an array of 2 // cap_user_data_t, using the second to store the 32 MSB of each capability // set. Versions 2 and 3 are identical, but Linux printk's a warning on use // of version 2 due to a userspace API defect. LINUX_CAPABILITY_VERSION_2 = 0x20071026 LINUX_CAPABILITY_VERSION_3 = 0x20080522 // HighestCapabilityVersion is the highest supported // LINUX_CAPABILITY_VERSION_* version. HighestCapabilityVersion = LINUX_CAPABILITY_VERSION_3 )
Version numbers used by the capget/capset syscalls, defined in Linux's include/uapi/linux/capability.h.
const ( CSIGNAL = 0xff CLONE_VM = 0x100 CLONE_FS = 0x200 CLONE_FILES = 0x400 CLONE_SIGHAND = 0x800 CLONE_PIDFD = 0x1000 CLONE_PTRACE = 0x2000 CLONE_VFORK = 0x4000 CLONE_PARENT = 0x8000 CLONE_THREAD = 0x10000 CLONE_NEWNS = 0x20000 CLONE_SYSVSEM = 0x40000 CLONE_SETTLS = 0x80000 CLONE_PARENT_SETTID = 0x100000 CLONE_CHILD_CLEARTID = 0x200000 CLONE_DETACHED = 0x400000 CLONE_UNTRACED = 0x800000 CLONE_CHILD_SETTID = 0x1000000 CLONE_NEWCGROUP = 0x2000000 CLONE_NEWUTS = 0x4000000 CLONE_NEWIPC = 0x8000000 CLONE_NEWUSER = 0x10000000 CLONE_NEWPID = 0x20000000 CLONE_NEWNET = 0x40000000 CLONE_IO = 0x80000000 // Only passable via clone3(2). CLONE_CLEAR_SIGHAND = 0x100000000 CLONE_INTO_CGROUP = 0x200000000 )
Clone constants per clone(2).
const ( // UNNAMED_MAJOR is the major device number for "unnamed" devices, whose // minor numbers are dynamically allocated by the kernel. UNNAMED_MAJOR = 0 // MEM_MAJOR is the major device number for "memory" character devices. MEM_MAJOR = 1 // TTYAUX_MAJOR is the major device number for alternate TTY devices. TTYAUX_MAJOR = 5 // MISC_MAJOR is the major device number for non-serial mice, misc feature // devices. MISC_MAJOR = 10 // UNIX98_PTY_MASTER_MAJOR is the initial major device number for // Unix98 PTY masters. UNIX98_PTY_MASTER_MAJOR = 128 // UNIX98_PTY_REPLICA_MAJOR is the initial major device number for // Unix98 PTY replicas. UNIX98_PTY_REPLICA_MAJOR = 136 )
Character device IDs.
See Documentations/devices.txt and uapi/linux/major.h.
const ( // AT_NULL is the end of the auxiliary vector. AT_NULL = 0 // AT_IGNORE should be ignored. AT_IGNORE = 1 // AT_EXECFD is the file descriptor of the program. AT_EXECFD = 2 // AT_PHDR points to the program headers. AT_PHDR = 3 // AT_PHENT is the size of a program header entry. AT_PHENT = 4 // AT_PHNUM is the number of program headers. AT_PHNUM = 5 // AT_PAGESZ is the system page size. AT_PAGESZ = 6 // AT_BASE is the base address of the interpreter. AT_BASE = 7 // AT_FLAGS are flags. AT_FLAGS = 8 // AT_ENTRY is the program entry point. AT_ENTRY = 9 // AT_NOTELF indicates that the program is not an ELF binary. AT_NOTELF = 10 // AT_UID is the real UID. AT_UID = 11 // AT_EUID is the effective UID. AT_EUID = 12 // AT_GID is the real GID. AT_GID = 13 // AT_EGID is the effective GID. AT_EGID = 14 // AT_PLATFORM is a string identifying the CPU. AT_PLATFORM = 15 // AT_HWCAP are arch-dependent CPU capabilities. AT_HWCAP = 16 // AT_CLKTCK is the frequency used by times(2). AT_CLKTCK = 17 // AT_SECURE indicate secure mode. AT_SECURE = 23 // AT_BASE_PLATFORM is a string identifying the "real" platform. It may // differ from AT_PLATFORM. AT_BASE_PLATFORM = 24 // AT_RANDOM points to 16-bytes of random data. AT_RANDOM = 25 // AT_HWCAP2 is an extension of AT_HWCAP. AT_HWCAP2 = 26 // AT_EXECFN is the path used to execute the program. AT_EXECFN = 31 // AT_SYSINFO_EHDR is the address of the VDSO. AT_SYSINFO_EHDR = 33 )
Linux auxiliary vector entry types.
const ( // NT_PRSTATUS is for general purpose register. NT_PRSTATUS = 0x1 // NT_PRFPREG is for float point register. NT_PRFPREG = 0x2 // NT_X86_XSTATE is for x86 extended state using xsave. NT_X86_XSTATE = 0x202 // NT_ARM_TLS is for ARM TLS register. NT_ARM_TLS = 0x401 )
ELF ET_CORE and ptrace GETREGSET/SETREGSET register set types.
See include/uapi/linux/elf.h.
const ( EPOLLIN = 0x1 EPOLLPRI = 0x2 EPOLLOUT = 0x4 EPOLLERR = 0x8 EPOLLHUP = 0x10 EPOLLRDNORM = 0x40 EPOLLRDBAND = 0x80 EPOLLWRNORM = 0x100 EPOLLWRBAND = 0x200 EPOLLMSG = 0x400 EPOLLRDHUP = 0x2000 )
Event masks.
const ( EPOLLEXCLUSIVE = 1 << 28 EPOLLWAKEUP = 1 << 29 EPOLLONESHOT = 1 << 30 EPOLLET = 1 << 31 // EP_PRIVATE_BITS is fs/eventpoll.c:EP_PRIVATE_BITS, the set of all bits // in an epoll event mask that correspond to flags rather than I/O events. EP_PRIVATE_BITS = EPOLLEXCLUSIVE | EPOLLWAKEUP | EPOLLONESHOT | EPOLLET )
Per-file descriptor flags.
const ( EPOLL_CLOEXEC = 0x80000 EPOLL_NONBLOCK = 0x800 )
Operation flags.
const ( EPOLL_CTL_ADD = 0x1 EPOLL_CTL_DEL = 0x2 EPOLL_CTL_MOD = 0x3 )
Control operations.
const ( SO_EE_ORIGIN_NONE = 0 SO_EE_ORIGIN_LOCAL = 1 SO_EE_ORIGIN_ICMP = 2 SO_EE_ORIGIN_ICMP6 = 3 )
Socket error origin codes as defined in include/uapi/linux/errqueue.h.
const ( EFD_SEMAPHORE = 0x1 EFD_CLOEXEC = O_CLOEXEC EFD_NONBLOCK = O_NONBLOCK )
Constants for eventfd2(2).
const ( POSIX_FADV_NORMAL = 0 POSIX_FADV_RANDOM = 1 POSIX_FADV_SEQUENTIAL = 2 POSIX_FADV_WILLNEED = 3 POSIX_FADV_DONTNEED = 4 POSIX_FADV_NOREUSE = 5 )
Fadvise constants.
const ( F_DUPFD = 0 F_GETFD = 1 F_SETFD = 2 F_GETFL = 3 F_SETFL = 4 F_GETLK = 5 F_SETLK = 6 F_SETLKW = 7 F_SETOWN = 8 F_GETOWN = 9 F_SETSIG = 10 F_GETSIG = 11 F_SETOWN_EX = 15 F_GETOWN_EX = 16 F_DUPFD_CLOEXEC = 1024 + 6 F_SETPIPE_SZ = 1024 + 7 F_GETPIPE_SZ = 1024 + 8 )
Commands from linux/fcntl.h.
const ( F_RDLCK = 0 F_WRLCK = 1 F_UNLCK = 2 )
Commands for F_SETLK.
const ( F_OWNER_TID = 0 F_OWNER_PID = 1 F_OWNER_PGRP = 2 )
Owner types for F_SETOWN_EX and F_GETOWN_EX.
const ( O_ACCMODE = 000000003 O_RDONLY = 000000000 O_WRONLY = 000000001 O_RDWR = 000000002 O_CREAT = 000000100 O_EXCL = 000000200 O_NOCTTY = 000000400 O_TRUNC = 000001000 O_APPEND = 000002000 O_NONBLOCK = 000004000 O_DSYNC = 000010000 O_ASYNC = 000020000 O_NOATIME = 001000000 O_CLOEXEC = 002000000 O_SYNC = 004000000 // __O_SYNC in Linux O_PATH = 010000000 O_TMPFILE = 020000000 // __O_TMPFILE in Linux )
Constants for open(2).
const ( MS_RDONLY = 0x1 MS_NOSUID = 0x2 MS_NODEV = 0x4 MS_NOEXEC = 0x8 MS_SYNCHRONOUS = 0x10 MS_REMOUNT = 0x20 MS_MANDLOCK = 0x40 MS_DIRSYNC = 0x80 MS_NOATIME = 0x400 MS_NODIRATIME = 0x800 MS_BIND = 0x1000 MS_MOVE = 0x2000 MS_REC = 0x4000 MS_POSIXACL = 0x10000 MS_UNBINDABLE = 0x20000 MS_PRIVATE = 0x40000 MS_SLAVE = 0x80000 MS_SHARED = 0x100000 MS_RELATIME = 0x200000 MS_KERNMOUNT = 0x400000 MS_I_VERSION = 0x800000 MS_STRICTATIME = 0x1000000 MS_MGC_VAL = 0xC0ED0000 MS_MGC_MSK = 0xffff0000 )
Constants for mount(2).
const ( MNT_FORCE = 0x1 MNT_DETACH = 0x2 MNT_EXPIRE = 0x4 UMOUNT_NOFOLLOW = 0x8 )
Constants for umount2(2).
const ( AT_SYMLINK_FOLLOW = 0x400 AT_EMPTY_PATH = 0x1000 )
Constants for linkat(2) and fchownat(2).
const ( UTIME_NOW = ((1 << 30) - 1) UTIME_OMIT = ((1 << 30) - 2) )
Special values for the ns field in utimensat(2).
const ( LOCK_SH = 1 // shared lock LOCK_EX = 2 // exclusive lock LOCK_NB = 4 // or'd with one of the above to prevent blocking LOCK_UN = 8 // remove lock )
Constants for flock(2).
const ( S_IFMT = 0170000 S_IFSOCK = 0140000 S_IFLNK = 0120000 S_IFREG = 0100000 S_IFBLK = 060000 S_IFDIR = 040000 S_IFCHR = 020000 S_IFIFO = 010000 FileTypeMask = S_IFMT ModeSocket = S_IFSOCK ModeSymlink = S_IFLNK ModeRegular = S_IFREG ModeBlockDevice = S_IFBLK ModeDirectory = S_IFDIR ModeCharacterDevice = S_IFCHR ModeNamedPipe = S_IFIFO S_ISUID = 04000 S_ISGID = 02000 S_ISVTX = 01000 ModeSetUID = S_ISUID ModeSetGID = S_ISGID ModeSticky = S_ISVTX ModeUserAll = 0700 ModeUserRead = 0400 ModeUserWrite = 0200 ModeUserExec = 0100 ModeGroupAll = 0070 ModeGroupRead = 0040 ModeGroupWrite = 0020 ModeGroupExec = 0010 ModeOtherAll = 0007 ModeOtherRead = 0004 ModeOtherWrite = 0002 ModeOtherExec = 0001 PermissionsMask = 0777 )
Values for mode_t.
const ( DT_UNKNOWN = 0 DT_FIFO = 1 DT_CHR = 2 DT_DIR = 4 DT_BLK = 6 DT_REG = 8 DT_LNK = 10 DT_SOCK = 12 DT_WHT = 14 )
Values for linux_dirent64.d_type.
const ( // NOTE(b/120162627): gVisor does not implement the RWF_HIPRI feature, but // the flag is accepted as a valid flag argument for preadv2/pwritev2 and // silently ignored. RWF_HIPRI = 0x00000001 RWF_DSYNC = 0x00000002 RWF_SYNC = 0x00000004 RWF_VALID = RWF_HIPRI | RWF_DSYNC | RWF_SYNC )
Values for preadv2/pwritev2.
const ( AT_STATX_SYNC_TYPE = 0x6000 AT_STATX_SYNC_AS_STAT = 0x0000 AT_STATX_FORCE_SYNC = 0x2000 AT_STATX_DONT_SYNC = 0x4000 )
Flags for statx.
const ( STATX_TYPE = 0x00000001 STATX_MODE = 0x00000002 STATX_NLINK = 0x00000004 STATX_UID = 0x00000008 STATX_GID = 0x00000010 STATX_ATIME = 0x00000020 STATX_MTIME = 0x00000040 STATX_CTIME = 0x00000080 STATX_INO = 0x00000100 STATX_SIZE = 0x00000200 STATX_BLOCKS = 0x00000400 STATX_BASIC_STATS = 0x000007ff STATX_BTIME = 0x00000800 STATX_ALL = 0x00000fff STATX__RESERVED = 0x80000000 )
Mask values for statx.
const ( STATX_ATTR_COMPRESSED = 0x00000004 STATX_ATTR_IMMUTABLE = 0x00000010 STATX_ATTR_APPEND = 0x00000020 STATX_ATTR_NODUMP = 0x00000040 STATX_ATTR_ENCRYPTED = 0x00000800 STATX_ATTR_AUTOMOUNT = 0x00001000 )
Bitmasks for Statx.Attributes and Statx.AttributesMask, from include/uapi/linux/stat.h.
const ( MFD_CLOEXEC = 0x0001 MFD_ALLOW_SEALING = 0x0002 )
Constants for memfd_create(2). Source: include/uapi/linux/memfd.h
const ( F_LINUX_SPECIFIC_BASE = 1024 F_ADD_SEALS = F_LINUX_SPECIFIC_BASE + 9 F_GET_SEALS = F_LINUX_SPECIFIC_BASE + 10 F_SEAL_SEAL = 0x0001 // Prevent further seals from being set. F_SEAL_SHRINK = 0x0002 // Prevent file from shrinking. F_SEAL_GROW = 0x0004 // Prevent file from growing. F_SEAL_WRITE = 0x0008 // Prevent writes. )
Constants related to file seals. Source: include/uapi/{asm-generic,linux}/fcntl.h
const ( FALLOC_FL_KEEP_SIZE = 0x01 FALLOC_FL_PUNCH_HOLE = 0x02 FALLOC_FL_NO_HIDE_STALE = 0x04 FALLOC_FL_COLLAPSE_RANGE = 0x08 FALLOC_FL_ZERO_RANGE = 0x10 FALLOC_FL_INSERT_RANGE = 0x20 FALLOC_FL_UNSHARE_RANGE = 0x40 )
Constants related to fallocate(2). Source: include/uapi/linux/falloc.h
const ( CLOSE_RANGE_UNSHARE = uint32(1 << 1) CLOSE_RANGE_CLOEXEC = uint32(1 << 2) )
Constants related to close_range(2). Source: /include/uapi/linux/close_range.h
const ( O_DIRECT = 000040000 O_LARGEFILE = 000100000 O_DIRECTORY = 000200000 O_NOFOLLOW = 000400000 )
Constants for open(2).
const ( ANON_INODE_FS_MAGIC = 0x09041934 CGROUP_SUPER_MAGIC = 0x27e0eb DEVPTS_SUPER_MAGIC = 0x00001cd1 EXT_SUPER_MAGIC = 0xef53 FUSE_SUPER_MAGIC = 0x65735546 MQUEUE_MAGIC = 0x19800202 OVERLAYFS_SUPER_MAGIC = 0x794c7630 PIPEFS_MAGIC = 0x50495045 PROC_SUPER_MAGIC = 0x9fa0 RAMFS_MAGIC = 0x09041934 SOCKFS_MAGIC = 0x534F434B SYSFS_MAGIC = 0x62656572 TMPFS_MAGIC = 0x01021994 V9FS_MAGIC = 0x01021997 )
Filesystem types used in statfs(2).
See linux/magic.h.
const ( NAME_MAX = 255 PATH_MAX = 4096 )
Filesystem path limits, from uapi/linux/limits.h.
const ( SEEK_SET = 0 SEEK_CUR = 1 SEEK_END = 2 SEEK_DATA = 3 SEEK_HOLE = 4 )
Whence argument to lseek(2), from include/uapi/linux/fs.h.
const ( SYNC_FILE_RANGE_WAIT_BEFORE = 1 SYNC_FILE_RANGE_WRITE = 2 SYNC_FILE_RANGE_WAIT_AFTER = 4 )
Sync_file_range flags, from include/uapi/linux/fs.h
const ( RENAME_NOREPLACE = (1 << 0) // Don't overwrite target. RENAME_EXCHANGE = (1 << 1) // Exchange src and dst. RENAME_WHITEOUT = (1 << 2) // Whiteout src. )
Flag argument to renameat2(2), from include/uapi/linux/fs.h.
const ( FUSE_LOOKUP FUSEOpcode = 1 FUSE_FORGET = 2 /* no reply */ FUSE_GETATTR = 3 FUSE_SETATTR = 4 FUSE_READLINK = 5 FUSE_SYMLINK = 6 FUSE_MKNOD = 8 FUSE_MKDIR = 9 FUSE_UNLINK = 10 FUSE_RMDIR = 11 FUSE_RENAME = 12 FUSE_LINK = 13 FUSE_OPEN = 14 FUSE_READ = 15 FUSE_WRITE = 16 FUSE_STATFS = 17 FUSE_RELEASE = 18 FUSE_FSYNC = 20 FUSE_SETXATTR = 21 FUSE_GETXATTR = 22 FUSE_LISTXATTR = 23 FUSE_REMOVEXATTR = 24 FUSE_FLUSH = 25 FUSE_INIT = 26 FUSE_OPENDIR = 27 FUSE_READDIR = 28 FUSE_RELEASEDIR = 29 FUSE_FSYNCDIR = 30 FUSE_GETLK = 31 FUSE_SETLK = 32 FUSE_SETLKW = 33 FUSE_ACCESS = 34 FUSE_CREATE = 35 FUSE_INTERRUPT = 36 FUSE_BMAP = 37 FUSE_DESTROY = 38 FUSE_IOCTL = 39 FUSE_POLL = 40 FUSE_NOTIFY_REPLY = 41 FUSE_BATCH_FORGET = 42 )
Opcodes for FUSE operations.
Analogous to the opcodes in include/linux/fuse.h.
const ( FUSE_ASYNC_READ = 1 << 0 FUSE_POSIX_LOCKS = 1 << 1 FUSE_FILE_OPS = 1 << 2 FUSE_ATOMIC_O_TRUNC = 1 << 3 FUSE_EXPORT_SUPPORT = 1 << 4 FUSE_BIG_WRITES = 1 << 5 FUSE_DONT_MASK = 1 << 6 FUSE_SPLICE_WRITE = 1 << 7 FUSE_SPLICE_MOVE = 1 << 8 FUSE_SPLICE_READ = 1 << 9 FUSE_FLOCK_LOCKS = 1 << 10 FUSE_HAS_IOCTL_DIR = 1 << 11 FUSE_AUTO_INVAL_DATA = 1 << 12 FUSE_DO_READDIRPLUS = 1 << 13 FUSE_READDIRPLUS_AUTO = 1 << 14 FUSE_ASYNC_DIO = 1 << 15 FUSE_WRITEBACK_CACHE = 1 << 16 FUSE_NO_OPEN_SUPPORT = 1 << 17 FUSE_MAX_PAGES = 1 << 22 // From FUSE 7.28 )
FUSE_INIT flags, consistent with the ones in include/uapi/linux/fuse.h. Our taget version is 7.23 but we have few implemented in advance.
const ( FUSE_KERNEL_VERSION = 7 FUSE_KERNEL_MINOR_VERSION = 31 )
currently supported FUSE protocol version numbers.
const ( FUSE_NAME_MAX = 1024 FUSE_PAGE_SIZE = 4096 FUSE_DIRENT_ALIGN = 8 )
Constants relevant to FUSE operations.
const ( // FOPEN_DIRECT_IO indicates bypassing page cache for this opened file. FOPEN_DIRECT_IO = 1 << 0 // FOPEN_KEEP_CACHE avoids invalidate of data cache on open. FOPEN_KEEP_CACHE = 1 << 1 // FOPEN_NONSEEKABLE indicates the file cannot be seeked. FOPEN_NONSEEKABLE = 1 << 2 )
flags returned by OPEN request.
const ( FATTR_MODE = (1 << 0) FATTR_UID = (1 << 1) FATTR_GID = (1 << 2) FATTR_SIZE = (1 << 3) FATTR_ATIME = (1 << 4) FATTR_MTIME = (1 << 5) FATTR_FH = (1 << 6) FATTR_ATIME_NOW = (1 << 7) FATTR_MTIME_NOW = (1 << 8) FATTR_LOCKOWNER = (1 << 9) FATTR_CTIME = (1 << 10) )
FATTR_* consts are the attribute flags defined in include/uapi/linux/fuse.h. These should be or-ed together for setattr to know what has been changed.
const ( FUTEX_WAIT = 0 FUTEX_WAKE = 1 FUTEX_FD = 2 FUTEX_REQUEUE = 3 FUTEX_CMP_REQUEUE = 4 FUTEX_WAKE_OP = 5 FUTEX_LOCK_PI = 6 FUTEX_UNLOCK_PI = 7 FUTEX_TRYLOCK_PI = 8 FUTEX_WAIT_BITSET = 9 FUTEX_WAKE_BITSET = 10 FUTEX_WAIT_REQUEUE_PI = 11 FUTEX_CMP_REQUEUE_PI = 12 FUTEX_PRIVATE_FLAG = 128 FUTEX_CLOCK_REALTIME = 256 )
From <linux/futex.h> and <sys/time.h>. Flags are used in syscall futex(2).
const ( FUTEX_OP_SET = 0 FUTEX_OP_ADD = 1 FUTEX_OP_OR = 2 FUTEX_OP_ANDN = 3 FUTEX_OP_XOR = 4 FUTEX_OP_OPARG_SHIFT = 8 FUTEX_OP_CMP_EQ = 0 FUTEX_OP_CMP_NE = 1 FUTEX_OP_CMP_LT = 2 FUTEX_OP_CMP_LE = 3 FUTEX_OP_CMP_GT = 4 FUTEX_OP_CMP_GE = 5 )
These are flags are from <linux/futex.h> and are used in FUTEX_WAKE_OP to define the operations.
const ( FUTEX_WAITERS = 0x80000000 FUTEX_OWNER_DIED = 0x40000000 )
Constants used for priority-inheritance futexes.
const ( // IN_ACCESS indicates a file was accessed. IN_ACCESS = 0x00000001 // IN_MODIFY indicates a file was modified. IN_MODIFY = 0x00000002 // IN_ATTRIB indicates a watch target's metadata changed. IN_ATTRIB = 0x00000004 // IN_CLOSE_WRITE indicates a writable file was closed. IN_CLOSE_WRITE = 0x00000008 // IN_CLOSE_NOWRITE indicates a non-writable file was closed. IN_CLOSE_NOWRITE = 0x00000010 // IN_OPEN indicates a file was opened. IN_OPEN = 0x00000020 // IN_MOVED_FROM indicates a file was moved from X. IN_MOVED_FROM = 0x00000040 // IN_MOVED_TO indicates a file was moved to Y. IN_MOVED_TO = 0x00000080 // IN_CREATE indicates a file was created in a watched directory. IN_CREATE = 0x00000100 // IN_DELETE indicates a file was deleted in a watched directory. IN_DELETE = 0x00000200 // IN_DELETE_SELF indicates a watch target itself was deleted. IN_DELETE_SELF = 0x00000400 // IN_MOVE_SELF indicates a watch target itself was moved. IN_MOVE_SELF = 0x00000800 // IN_ALL_EVENTS is a mask for all observable userspace events. IN_ALL_EVENTS = 0x00000fff )
Inotify events observable by userspace. These directly correspond to filesystem operations and there may only be a single of them per inotify event read from an inotify fd.
const ( // IN_UNMOUNT indicates the backing filesystem was unmounted. IN_UNMOUNT = 0x00002000 // IN_Q_OVERFLOW indicates the event queued overflowed. IN_Q_OVERFLOW = 0x00004000 // IN_IGNORED indicates a watch was removed, either implicitly or through // inotify_rm_watch(2). IN_IGNORED = 0x00008000 // IN_ISDIR indicates the subject of an event was a directory. IN_ISDIR = 0x40000000 )
Inotify control events. These may be present in their own events, or ORed with other observable events.
const ( // IN_ONLYDIR indicates that a path should be watched only if it's a // directory. IN_ONLYDIR = 0x01000000 // IN_DONT_FOLLOW indicates that the watch path shouldn't be resolved if // it's a symlink. IN_DONT_FOLLOW = 0x02000000 // IN_EXCL_UNLINK indicates events to this watch from unlinked objects // should be filtered out. IN_EXCL_UNLINK = 0x04000000 // IN_MASK_ADD indicates the provided mask should be ORed into any existing // watch on the provided path. IN_MASK_ADD = 0x20000000 // IN_ONESHOT indicates the watch should be removed after one event. IN_ONESHOT = 0x80000000 )
Feature flags for inotify_add_watch(2).
const ( // IN_CLOEXEC is an alias for O_CLOEXEC. It indicates that the inotify // fd should be closed on exec(2) and friends. IN_CLOEXEC = 0x00080000 // IN_NONBLOCK is an alias for O_NONBLOCK. It indicates I/O syscall on the // inotify fd should not block. IN_NONBLOCK = 0x00000800 )
Feature flags for inotify_init1(2).
const ( TCGETS = 0x00005401 TCSETS = 0x00005402 TCSETSW = 0x00005403 TCSETSF = 0x00005404 TCSBRK = 0x00005409 TIOCEXCL = 0x0000540c TIOCNXCL = 0x0000540d TIOCSCTTY = 0x0000540e TIOCGPGRP = 0x0000540f TIOCSPGRP = 0x00005410 TIOCOUTQ = 0x00005411 TIOCSTI = 0x00005412 TIOCGWINSZ = 0x00005413 TIOCSWINSZ = 0x00005414 TIOCMGET = 0x00005415 TIOCMBIS = 0x00005416 TIOCMBIC = 0x00005417 TIOCMSET = 0x00005418 TIOCINQ = 0x0000541b FIONREAD = TIOCINQ FIONBIO = 0x00005421 TIOCSETD = 0x00005423 TIOCNOTTY = 0x00005422 TIOCGETD = 0x00005424 TCSBRKP = 0x00005425 TIOCSBRK = 0x00005427 TIOCCBRK = 0x00005428 TIOCGSID = 0x00005429 TIOCGPTN = 0x80045430 TIOCSPTLCK = 0x40045431 TIOCGDEV = 0x80045432 TIOCVHANGUP = 0x00005437 TCFLSH = 0x0000540b TIOCCONS = 0x0000541d TIOCSSERIAL = 0x0000541f TIOCGEXCL = 0x80045440 TIOCGPTPEER = 0x80045441 TIOCGICOUNT = 0x0000545d FIONCLEX = 0x00005450 FIOCLEX = 0x00005451 FIOASYNC = 0x00005452 FIOSETOWN = 0x00008901 SIOCSPGRP = 0x00008902 FIOGETOWN = 0x00008903 SIOCGPGRP = 0x00008904 )
ioctl(2) requests provided by asm-generic/ioctls.h
These are ordered by request number (low byte).
const ( SIOCGIFNAME = 0x8910 SIOCGIFCONF = 0x8912 SIOCGIFFLAGS = 0x8913 SIOCGIFADDR = 0x8915 SIOCGIFDSTADDR = 0x8917 SIOCGIFBRDADDR = 0x8919 SIOCGIFNETMASK = 0x891b SIOCGIFMETRIC = 0x891d SIOCGIFMTU = 0x8921 SIOCGIFMEM = 0x891f SIOCGIFHWADDR = 0x8927 SIOCGIFINDEX = 0x8933 SIOCGIFPFLAGS = 0x8935 SIOCGIFTXQLEN = 0x8942 SIOCETHTOOL = 0x8946 SIOCGMIIPHY = 0x8947 SIOCGMIIREG = 0x8948 SIOCGIFMAP = 0x8970 )
ioctl(2) requests provided by uapi/linux/sockios.h
const ( KCOV_TRACE_PC = 0 KCOV_TRACE_CMP = 1 )
Kcov trace types from kernel/kcov.h.
const ( KCOV_MODE_DISABLED = 0 KCOV_MODE_INIT = 1 KCOV_MODE_TRACE_PC = 2 KCOV_MODE_TRACE_CMP = 3 )
Kcov state constants from kernel/kcov.h.
const ( IFF_TUN = 0x0001 IFF_TAP = 0x0002 IFF_NO_PI = 0x1000 IFF_NOFILTER = 0x1000 // According to linux/if_tun.h "This flag has no real effect" IFF_ONE_QUEUE = 0x2000 )
Flags from net/if_tun.h
const ( IORING_SETUP_IOPOLL = (1 << 0) IORING_SETUP_SQPOLL = (1 << 1) IORING_SETUP_SQ_AFF = (1 << 2) IORING_SETUP_CQSIZE = (1 << 3) IORING_SETUP_CLAMP = (1 << 4) IORING_SETUP_ATTACH_WQ = (1 << 5) IORING_SETUP_R_DISABLED = (1 << 6) IORING_SETUP_SUBMIT_ALL = (1 << 7) )
Constants for io_uring_setup(2). See include/uapi/linux/io_uring.h.
const ( IORING_SETUP_COOP_TASKRUN = (1 << 8) IORING_SETUP_TASKRUN_FLAG = (1 << 9) IORING_SETUP_SQE128 = (1 << 10) IORING_SETUP_CQE32 = (1 << 11) )
Constants for IO_URING. See include/uapi/linux/io_uring.h.
const ( IORING_MAX_ENTRIES = (1 << 15) // 32768 IORING_MAX_CQ_ENTRIES = (2 * IORING_MAX_ENTRIES) )
Constants for IO_URING. See io_uring/io_uring.c.
const ( IORING_OFF_SQ_RING = 0 IORING_OFF_CQ_RING = 0x8000000 IORING_OFF_SQES = 0x10000000 )
Constants for the offsets for the application to mmap the data it needs. See include/uapi/linux/io_uring.h.
const ( IORING_OP_NOP = 0 IORING_OP_READV = 1 )
Constants for the IO_URING opcodes. See include/uapi/linux/io_uring.h.
const ( IPPROTO_IP = 0 IPPROTO_ICMP = 1 IPPROTO_IGMP = 2 IPPROTO_IPIP = 4 IPPROTO_TCP = 6 IPPROTO_EGP = 8 IPPROTO_PUP = 12 IPPROTO_UDP = 17 IPPROTO_IDP = 22 IPPROTO_TP = 29 IPPROTO_DCCP = 33 IPPROTO_IPV6 = 41 IPPROTO_RSVP = 46 IPPROTO_GRE = 47 IPPROTO_ESP = 50 IPPROTO_AH = 51 IPPROTO_MTP = 92 IPPROTO_BEETPH = 94 IPPROTO_ENCAP = 98 IPPROTO_PIM = 103 IPPROTO_COMP = 108 IPPROTO_SCTP = 132 IPPROTO_UDPLITE = 136 IPPROTO_MPLS = 137 IPPROTO_RAW = 255 )
IP protocols
const ( IP_TOS = 1 IP_TTL = 2 IP_HDRINCL = 3 IP_OPTIONS = 4 IP_ROUTER_ALERT = 5 IP_RECVOPTS = 6 IP_RETOPTS = 7 IP_PKTINFO = 8 IP_PKTOPTIONS = 9 IP_MTU_DISCOVER = 10 IP_RECVERR = 11 IP_RECVTTL = 12 IP_RECVTOS = 13 IP_MTU = 14 IP_FREEBIND = 15 IP_IPSEC_POLICY = 16 IP_XFRM_POLICY = 17 IP_PASSSEC = 18 IP_TRANSPARENT = 19 IP_ORIGDSTADDR = 20 IP_RECVORIGDSTADDR = IP_ORIGDSTADDR IP_MINTTL = 21 IP_NODEFRAG = 22 IP_CHECKSUM = 23 IP_BIND_ADDRESS_NO_PORT = 24 IP_RECVFRAGSIZE = 25 IP_MULTICAST_IF = 32 IP_MULTICAST_TTL = 33 IP_MULTICAST_LOOP = 34 IP_ADD_MEMBERSHIP = 35 IP_DROP_MEMBERSHIP = 36 IP_UNBLOCK_SOURCE = 37 IP_BLOCK_SOURCE = 38 IP_ADD_SOURCE_MEMBERSHIP = 39 IP_DROP_SOURCE_MEMBERSHIP = 40 IP_MSFILTER = 41 MCAST_JOIN_GROUP = 42 MCAST_BLOCK_SOURCE = 43 MCAST_UNBLOCK_SOURCE = 44 MCAST_LEAVE_GROUP = 45 MCAST_JOIN_SOURCE_GROUP = 46 MCAST_LEAVE_SOURCE_GROUP = 47 MCAST_MSFILTER = 48 IP_MULTICAST_ALL = 49 IP_UNICAST_IF = 50 )
Socket options from uapi/linux/in.h
const ( IP_PMTUDISC_DONT = 0 IP_PMTUDISC_WANT = 1 IP_PMTUDISC_DO = 2 IP_PMTUDISC_PROBE = 3 IP_PMTUDISC_INTERFACE = 4 IP_PMTUDISC_OMIT = 5 )
IP_MTU_DISCOVER values from uapi/linux/in.h
const ( IPV6_ADDRFORM = 1 IPV6_2292PKTINFO = 2 IPV6_2292HOPOPTS = 3 IPV6_2292DSTOPTS = 4 IPV6_2292RTHDR = 5 IPV6_2292PKTOPTIONS = 6 IPV6_CHECKSUM = 7 IPV6_2292HOPLIMIT = 8 IPV6_NEXTHOP = 9 IPV6_FLOWINFO = 11 IPV6_UNICAST_HOPS = 16 IPV6_MULTICAST_IF = 17 IPV6_MULTICAST_HOPS = 18 IPV6_MULTICAST_LOOP = 19 IPV6_ADD_MEMBERSHIP = 20 IPV6_DROP_MEMBERSHIP = 21 IPV6_ROUTER_ALERT = 22 IPV6_MTU_DISCOVER = 23 IPV6_MTU = 24 IPV6_RECVERR = 25 IPV6_V6ONLY = 26 IPV6_JOIN_ANYCAST = 27 IPV6_LEAVE_ANYCAST = 28 IPV6_MULTICAST_ALL = 29 IPV6_FLOWLABEL_MGR = 32 IPV6_FLOWINFO_SEND = 33 IPV6_IPSEC_POLICY = 34 IPV6_XFRM_POLICY = 35 IPV6_HDRINCL = 36 IPV6_RECVPKTINFO = 49 IPV6_PKTINFO = 50 IPV6_RECVHOPLIMIT = 51 IPV6_HOPLIMIT = 52 IPV6_RECVHOPOPTS = 53 IPV6_HOPOPTS = 54 IPV6_RTHDRDSTOPTS = 55 IPV6_RECVRTHDR = 56 IPV6_RTHDR = 57 IPV6_RECVDSTOPTS = 58 IPV6_DSTOPTS = 59 IPV6_RECVPATHMTU = 60 IPV6_PATHMTU = 61 IPV6_DONTFRAG = 62 IPV6_RECVTCLASS = 66 IPV6_TCLASS = 67 IPV6_AUTOFLOWLABEL = 70 IPV6_ADDR_PREFERENCES = 72 IPV6_MINHOPCOUNT = 73 IPV6_ORIGDSTADDR = 74 IPV6_RECVORIGDSTADDR = IPV6_ORIGDSTADDR IPV6_TRANSPARENT = 75 IPV6_UNICAST_IF = 76 IPV6_RECVFRAGSIZE = 77 IPV6_FREEBIND = 78 )
Socket options from uapi/linux/in6.h
const ( IPC_RMID = 0 IPC_SET = 1 IPC_STAT = 2 IPC_INFO = 3 )
Control commands used with semctl, shmctl, and msgctl.
Source: include/uapi/linux/ipc.h.
const ( IPC_CREAT = 00001000 IPC_EXCL = 00002000 IPC_NOWAIT = 00004000 )
Resource get request flags.
Source: include/uapi/linux/ipc.h
const ( RLIMIT_CPU = 0 RLIMIT_FSIZE = 1 RLIMIT_DATA = 2 RLIMIT_STACK = 3 RLIMIT_CORE = 4 RLIMIT_RSS = 5 RLIMIT_NPROC = 6 RLIMIT_NOFILE = 7 RLIMIT_MEMLOCK = 8 RLIMIT_AS = 9 RLIMIT_LOCKS = 10 RLIMIT_SIGPENDING = 11 RLIMIT_MSGQUEUE = 12 RLIMIT_NICE = 13 RLIMIT_RTPRIO = 14 RLIMIT_RTTIME = 15 )
Resources for getrlimit(2)/setrlimit(2)/prlimit(2).
const ( // RLimInfinity is RLIM_INFINITY on Linux. RLimInfinity = ^uint64(0) // DefaultStackSoftLimit is called _STK_LIM in Linux. DefaultStackSoftLimit = 8 * 1024 * 1024 // DefaultNprocLimit is defined in kernel/fork.c:set_max_threads, and // called MAX_THREADS / 2 in Linux. DefaultNprocLimit = FUTEX_TID_MASK / 2 // DefaultNofileSoftLimit is called INR_OPEN_CUR in Linux. DefaultNofileSoftLimit = 1024 // DefaultNofileHardLimit is called INR_OPEN_MAX in Linux. DefaultNofileHardLimit = 4096 // DefaultMemlockLimit is called MLOCK_LIMIT in Linux. DefaultMemlockLimit = 64 * 1024 // DefaultMsgqueueLimit is called MQ_BYTES_MAX in Linux. DefaultMsgqueueLimit = 819200 )
const ( MEMBARRIER_CMD_QUERY = 0 MEMBARRIER_CMD_GLOBAL = (1 << 0) MEMBARRIER_CMD_GLOBAL_EXPEDITED = (1 << 1) MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED = (1 << 2) MEMBARRIER_CMD_PRIVATE_EXPEDITED = (1 << 3) MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED = (1 << 4) MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE = (1 << 5) MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE = (1 << 6) MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ = (1 << 7) MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_RSEQ = (1 << 8) )
membarrier(2) commands, from include/uapi/linux/membarrier.h.
const ( PROT_NONE = 0 PROT_READ = 1 << 0 PROT_WRITE = 1 << 1 PROT_EXEC = 1 << 2 PROT_SEM = 1 << 3 PROT_GROWSDOWN = 1 << 24 PROT_GROWSUP = 1 << 25 )
Protections for mmap(2).
const ( MAP_SHARED = 1 << 0 MAP_PRIVATE = 1 << 1 MAP_FIXED = 1 << 4 MAP_ANONYMOUS = 1 << 5 MAP_32BIT = 1 << 6 // arch/x86/include/uapi/asm/mman.h MAP_GROWSDOWN = 1 << 8 MAP_DENYWRITE = 1 << 11 MAP_EXECUTABLE = 1 << 12 MAP_LOCKED = 1 << 13 MAP_NORESERVE = 1 << 14 MAP_POPULATE = 1 << 15 MAP_NONBLOCK = 1 << 16 MAP_STACK = 1 << 17 MAP_HUGETLB = 1 << 18 )
Flags for mmap(2).
const ( MREMAP_MAYMOVE = 1 << 0 MREMAP_FIXED = 1 << 1 )
Flags for mremap(2).
const ( MCL_CURRENT = 1 MCL_FUTURE = 2 MCL_ONFAULT = 4 )
Flags for mlockall(2).
const ( MADV_NORMAL = 0 MADV_RANDOM = 1 MADV_SEQUENTIAL = 2 MADV_WILLNEED = 3 MADV_DONTNEED = 4 MADV_REMOVE = 9 MADV_DONTFORK = 10 MADV_DOFORK = 11 MADV_MERGEABLE = 12 MADV_UNMERGEABLE = 13 MADV_HUGEPAGE = 14 MADV_NOHUGEPAGE = 15 MADV_DONTDUMP = 16 MADV_DODUMP = 17 MADV_HWPOISON = 100 MADV_SOFT_OFFLINE = 101 MADV_NOMAJFAULT = 200 MADV_DONTCHGME = 201 )
Advice for madvise(2).
const ( MS_ASYNC = 1 << 0 MS_INVALIDATE = 1 << 1 MS_SYNC = 1 << 2 )
Flags for msync(2).
const ( MPOL_F_NODE = 1 << 0 MPOL_F_ADDR = 1 << 1 MPOL_F_MEMS_ALLOWED = 1 << 2 )
Flags for get_mempolicy(2).
const ( MPOL_F_RELATIVE_NODES = 1 << 14 MPOL_F_STATIC_NODES = 1 << 15 MPOL_MODE_FLAGS = (MPOL_F_STATIC_NODES | MPOL_F_RELATIVE_NODES) )
Flags for set_mempolicy(2).
const ( MPOL_MF_STRICT = 1 << 0 MPOL_MF_MOVE = 1 << 1 MPOL_MF_MOVE_ALL = 1 << 2 MPOL_MF_VALID = MPOL_MF_STRICT | MPOL_MF_MOVE | MPOL_MF_MOVE_ALL )
Flags for mbind(2).
const ( DFLT_QUEUESMAX = 256 MIN_MSGMAX = 1 DFLT_MSG uint = 10 DFLT_MSGMAX = 10 HARD_MSGMAX = 65536 MIN_MSGSIZEMAX = 128 DFLT_MSGSIZE uint = 8192 DFLT_MSGSIZEMAX = 8192 HARD_MSGSIZEMAX = (16 * 1024 * 1024) )
Default values for POSIX message queues. Source: include/linux/ipc_namespace.h
const ( MQ_PRIO_MAX = 32768 MQ_BYTES_MAX = 819200 )
Maximum values for a message queue. Source: include/uapi/linux/mqueue.h
const ( NOTIFY_NONE = 0 NOTIFY_WOKENUP = 1 NOTIFY_REMOVED = 2 NOTIFY_COOKIE_LEN = 32 )
Codes used by mq_notify. Source: include/uapi/linux/mqueue.h
const ( MSG_STAT = 11 MSG_INFO = 12 MSG_STAT_ANY = 13 )
Linux-specific control commands. Source: include/uapi/linux/msg.h
const ( MSG_NOERROR = 010000 // No error if message is too big. MSG_EXCEPT = 020000 // Receive any message except of specified type. MSG_COPY = 040000 // Copy (not remove) all queue messages. )
msgrcv(2) options. Source: include/uapi/linux/msg.h
const ( MSGMNI = 32000 // Maximum number of message queue identifiers. MSGMAX = 8192 // Maximum size of message (bytes). MSGMNB = 16384 // Default max size of a message queue. )
System-wide limits for message queues. Source: include/uapi/linux/msg.h
const ( MSGPOOL = (MSGMNI * MSGMNB / 1024) MSGTQL = MSGMNB MSGMAP = MSGMNB MSGSSZ = 16 // MSGSEG is simplified due to the inexistance of a ternary operator. MSGSEG = 0xffff )
System-wide limits. Unused. Source: include/uapi/linux/msg.h
const ( NF_INET_PRE_ROUTING = 0 NF_INET_LOCAL_IN = 1 NF_INET_FORWARD = 2 NF_INET_LOCAL_OUT = 3 NF_INET_POST_ROUTING = 4 NF_INET_NUMHOOKS = 5 )
Hooks into the network stack. These correspond to values in include/uapi/linux/netfilter.h.
const ( NF_DROP = 0 NF_ACCEPT = 1 NF_STOLEN = 2 NF_QUEUE = 3 NF_REPEAT = 4 NF_STOP = 5 NF_MAX_VERDICT = NF_STOP // NF_RETURN is defined in include/uapi/linux/netfilter/x_tables.h. NF_RETURN = -NF_REPEAT - 1 )
Verdicts that can be returned by targets. These correspond to values in include/uapi/linux/netfilter.h
const ( IPT_BASE_CTL = 64 IPT_SO_SET_REPLACE = IPT_BASE_CTL IPT_SO_SET_ADD_COUNTERS = IPT_BASE_CTL + 1 IPT_SO_SET_MAX = IPT_SO_SET_ADD_COUNTERS IPT_SO_GET_INFO = IPT_BASE_CTL IPT_SO_GET_ENTRIES = IPT_BASE_CTL + 1 IPT_SO_GET_REVISION_MATCH = IPT_BASE_CTL + 2 IPT_SO_GET_REVISION_TARGET = IPT_BASE_CTL + 3 IPT_SO_GET_MAX = IPT_SO_GET_REVISION_TARGET )
Socket options for SOL_SOCKET. These correspond to values in include/uapi/linux/netfilter_ipv4/ip_tables.h.
const ( XT_FUNCTION_MAXNAMELEN = 30 XT_EXTENSION_MAXNAMELEN = 29 XT_TABLE_MAXNAMELEN = 32 )
Name lengths. These correspond to values in include/uapi/linux/netfilter/x_tables.h.
const ( // Invert the meaning of InputInterface. IPT_INV_VIA_IN = 0x01 // Invert the meaning of OutputInterface. IPT_INV_VIA_OUT = 0x02 // Unclear what this is, as no references to it exist in the kernel. IPT_INV_TOS = 0x04 // Invert the meaning of Src. IPT_INV_SRCIP = 0x08 // Invert the meaning of Dst. IPT_INV_DSTIP = 0x10 // Invert the meaning of the IPT_F_FRAG flag. IPT_INV_FRAG = 0x20 // Invert the meaning of the Protocol field. IPT_INV_PROTO = 0x40 // Enable all flags. IPT_INV_MASK = 0x7F )
Flags in IPTIP.InverseFlags. Corresponding constants are in include/uapi/linux/netfilter_ipv4/ip_tables.h.
const ( NF_NAT_RANGE_MAP_IPS = 1 << 0 NF_NAT_RANGE_PROTO_SPECIFIED = 1 << 1 NF_NAT_RANGE_PROTO_RANDOM = 1 << 2 NF_NAT_RANGE_PERSISTENT = 1 << 3 NF_NAT_RANGE_PROTO_RANDOM_FULLY = 1 << 4 NF_NAT_RANGE_PROTO_RANDOM_ALL = (NF_NAT_RANGE_PROTO_RANDOM | NF_NAT_RANGE_PROTO_RANDOM_FULLY) NF_NAT_RANGE_MASK = (NF_NAT_RANGE_MAP_IPS | NF_NAT_RANGE_PROTO_SPECIFIED | NF_NAT_RANGE_PROTO_RANDOM | NF_NAT_RANGE_PERSISTENT | NF_NAT_RANGE_PROTO_RANDOM_FULLY) )
Flag values for NfNATIPV4Range. The values indicate whether to map protocol specific part(ports) or IPs. It corresponds to values in include/uapi/linux/netfilter/nf_nat.h.
const ( // Invert the meaning of SourcePortStart/End. XT_TCP_INV_SRCPT = 0x01 // Invert the meaning of DestinationPortStart/End. XT_TCP_INV_DSTPT = 0x02 // Invert the meaning of FlagCompare. XT_TCP_INV_FLAGS = 0x04 // Invert the meaning of Option. XT_TCP_INV_OPTION = 0x08 // Enable all flags. XT_TCP_INV_MASK = 0x0F )
Flags in XTTCP.InverseFlags. Corresponding constants are in include/uapi/linux/netfilter/xt_tcpudp.h.
const ( // Invert the meaning of SourcePortStart/End. XT_UDP_INV_SRCPT = 0x01 // Invert the meaning of DestinationPortStart/End. XT_UDP_INV_DSTPT = 0x02 // Enable all flags. XT_UDP_INV_MASK = 0x03 )
Flags in XTUDP.InverseFlags. Corresponding constants are in include/uapi/linux/netfilter/xt_tcpudp.h.
const ( // Match the UID of the packet. XT_OWNER_UID = 1 << 0 // Match the GID of the packet. XT_OWNER_GID = 1 << 1 // Match if the socket exists for the packet. Forwarded // packets do not have an associated socket. XT_OWNER_SOCKET = 1 << 2 )
Flags in IPTOwnerInfo.Match. Corresponding constants are in include/uapi/linux/netfilter/xt_owner.h.
const ( IP6T_BASE_CTL = 64 IP6T_SO_SET_REPLACE = IPT_BASE_CTL IP6T_SO_SET_ADD_COUNTERS = IPT_BASE_CTL + 1 IP6T_SO_SET_MAX = IPT_SO_SET_ADD_COUNTERS IP6T_SO_GET_INFO = IPT_BASE_CTL IP6T_SO_GET_ENTRIES = IPT_BASE_CTL + 1 IP6T_SO_GET_REVISION_MATCH = IPT_BASE_CTL + 4 IP6T_SO_GET_REVISION_TARGET = IPT_BASE_CTL + 5 IP6T_SO_GET_MAX = IP6T_SO_GET_REVISION_TARGET )
Socket options for SOL_SOCLET. These correspond to values in include/uapi/linux/netfilter_ipv6/ip6_tables.h.
const ( // Whether to check the Protocol field. IP6T_F_PROTO = 0x01 // Whether to match the TOS field. IP6T_F_TOS = 0x02 // Indicates that the jump target is an aboslute GOTO, not an offset. IP6T_F_GOTO = 0x04 // Enables all flags. IP6T_F_MASK = 0x07 )
Flags in IP6TIP.Flags. Corresponding constants are in include/uapi/linux/netfilter_ipv6/ip6_tables.h.
const ( // Invert the meaning of InputInterface. IP6T_INV_VIA_IN = 0x01 // Invert the meaning of OutputInterface. IP6T_INV_VIA_OUT = 0x02 // Invert the meaning of TOS. IP6T_INV_TOS = 0x04 // Invert the meaning of Src. IP6T_INV_SRCIP = 0x08 // Invert the meaning of Dst. IP6T_INV_DSTIP = 0x10 // Invert the meaning of the IPT_F_FRAG flag. IP6T_INV_FRAG = 0x20 // Enable all flags. IP6T_INV_MASK = 0x7F )
Flags in IP6TIP.InverseFlags. Corresponding constants are in include/uapi/linux/netfilter_ipv6/ip6_tables.h.
const ( NETLINK_ROUTE = 0 NETLINK_UNUSED = 1 NETLINK_USERSOCK = 2 NETLINK_FIREWALL = 3 NETLINK_SOCK_DIAG = 4 NETLINK_NFLOG = 5 NETLINK_XFRM = 6 NETLINK_SELINUX = 7 NETLINK_ISCSI = 8 NETLINK_AUDIT = 9 NETLINK_FIB_LOOKUP = 10 NETLINK_CONNECTOR = 11 NETLINK_NETFILTER = 12 NETLINK_IP6_FW = 13 NETLINK_DNRTMSG = 14 NETLINK_KOBJECT_UEVENT = 15 NETLINK_GENERIC = 16 NETLINK_SCSITRANSPORT = 18 NETLINK_ECRYPTFS = 19 NETLINK_RDMA = 20 NETLINK_CRYPTO = 21 )
Netlink protocols, from uapi/linux/netlink.h.
const ( NLM_F_REQUEST = 0x1 NLM_F_MULTI = 0x2 NLM_F_ACK = 0x4 NLM_F_ECHO = 0x8 NLM_F_DUMP_INTR = 0x10 NLM_F_ROOT = 0x100 NLM_F_MATCH = 0x200 NLM_F_ATOMIC = 0x400 NLM_F_DUMP = NLM_F_ROOT | NLM_F_MATCH NLM_F_REPLACE = 0x100 NLM_F_EXCL = 0x200 NLM_F_CREATE = 0x400 NLM_F_APPEND = 0x800 )
Netlink message header flags, from uapi/linux/netlink.h.
const ( NLMSG_NOOP = 0x1 NLMSG_ERROR = 0x2 NLMSG_DONE = 0x3 NLMSG_OVERRUN = 0x4 // NLMSG_MIN_TYPE is the first value for protocol-level types. NLMSG_MIN_TYPE = 0x10 )
Standard netlink message types, from uapi/linux/netlink.h.
const ( NETLINK_ADD_MEMBERSHIP = 1 NETLINK_DROP_MEMBERSHIP = 2 NETLINK_PKTINFO = 3 NETLINK_BROADCAST_ERROR = 4 NETLINK_NO_ENOBUFS = 5 NETLINK_LISTEN_ALL_NSID = 8 NETLINK_LIST_MEMBERSHIPS = 9 NETLINK_CAP_ACK = 10 NETLINK_EXT_ACK = 11 NETLINK_DUMP_STRICT_CHK = 12 )
Socket options, from uapi/linux/netlink.h.
const ( RTM_NEWLINK = 16 RTM_DELLINK = 17 RTM_GETLINK = 18 RTM_SETLINK = 19 RTM_NEWADDR = 20 RTM_DELADDR = 21 RTM_GETADDR = 22 RTM_NEWROUTE = 24 RTM_DELROUTE = 25 RTM_GETROUTE = 26 RTM_NEWNEIGH = 28 RTM_DELNEIGH = 29 RTM_GETNEIGH = 30 RTM_NEWRULE = 32 RTM_DELRULE = 33 RTM_GETRULE = 34 RTM_NEWQDISC = 36 RTM_DELQDISC = 37 RTM_GETQDISC = 38 RTM_NEWTCLASS = 40 RTM_DELTCLASS = 41 RTM_GETTCLASS = 42 RTM_NEWTFILTER = 44 RTM_DELTFILTER = 45 RTM_GETTFILTER = 46 RTM_NEWACTION = 48 RTM_DELACTION = 49 RTM_GETACTION = 50 RTM_NEWPREFIX = 52 RTM_GETMULTICAST = 58 RTM_GETANYCAST = 62 RTM_NEWNEIGHTBL = 64 RTM_GETNEIGHTBL = 66 RTM_SETNEIGHTBL = 67 RTM_NEWNDUSEROPT = 68 RTM_NEWADDRLABEL = 72 RTM_DELADDRLABEL = 73 RTM_GETADDRLABEL = 74 RTM_GETDCB = 78 RTM_SETDCB = 79 RTM_NEWNETCONF = 80 RTM_GETNETCONF = 82 RTM_NEWMDB = 84 RTM_DELMDB = 85 RTM_GETMDB = 86 RTM_NEWNSID = 88 RTM_DELNSID = 89 RTM_GETNSID = 90 )
Netlink message types for NETLINK_ROUTE sockets, from uapi/linux/rtnetlink.h.
const ( IFF_UP = 1 << 0 IFF_BROADCAST = 1 << 1 IFF_DEBUG = 1 << 2 IFF_LOOPBACK = 1 << 3 IFF_POINTOPOINT = 1 << 4 IFF_NOTRAILERS = 1 << 5 IFF_RUNNING = 1 << 6 IFF_NOARP = 1 << 7 IFF_PROMISC = 1 << 8 IFF_ALLMULTI = 1 << 9 IFF_MASTER = 1 << 10 IFF_SLAVE = 1 << 11 IFF_MULTICAST = 1 << 12 IFF_PORTSEL = 1 << 13 IFF_AUTOMEDIA = 1 << 14 IFF_DYNAMIC = 1 << 15 IFF_LOWER_UP = 1 << 16 IFF_DORMANT = 1 << 17 IFF_ECHO = 1 << 18 )
Interface flags, from uapi/linux/if.h.
const ( IFLA_UNSPEC = 0 IFLA_ADDRESS = 1 IFLA_BROADCAST = 2 IFLA_IFNAME = 3 IFLA_MTU = 4 IFLA_LINK = 5 IFLA_QDISC = 6 IFLA_STATS = 7 IFLA_COST = 8 IFLA_PRIORITY = 9 IFLA_MASTER = 10 IFLA_WIRELESS = 11 IFLA_PROTINFO = 12 IFLA_TXQLEN = 13 IFLA_MAP = 14 IFLA_WEIGHT = 15 IFLA_OPERSTATE = 16 IFLA_LINKMODE = 17 IFLA_LINKINFO = 18 IFLA_NET_NS_PID = 19 IFLA_IFALIAS = 20 IFLA_NUM_VF = 21 IFLA_VFINFO_LIST = 22 IFLA_STATS64 = 23 IFLA_VF_PORTS = 24 IFLA_PORT_SELF = 25 IFLA_AF_SPEC = 26 IFLA_GROUP = 27 IFLA_NET_NS_FD = 28 IFLA_EXT_MASK = 29 IFLA_PROMISCUITY = 30 IFLA_NUM_TX_QUEUES = 31 IFLA_NUM_RX_QUEUES = 32 IFLA_CARRIER = 33 IFLA_PHYS_PORT_ID = 34 IFLA_CARRIER_CHANGES = 35 IFLA_PHYS_SWITCH_ID = 36 IFLA_LINK_NETNSID = 37 IFLA_PHYS_PORT_NAME = 38 IFLA_PROTO_DOWN = 39 IFLA_GSO_MAX_SEGS = 40 IFLA_GSO_MAX_SIZE = 41 )
Interface link attributes, from uapi/linux/if_link.h.
const ( IFA_UNSPEC = 0 IFA_ADDRESS = 1 IFA_LOCAL = 2 IFA_LABEL = 3 IFA_BROADCAST = 4 IFA_ANYCAST = 5 IFA_CACHEINFO = 6 IFA_MULTICAST = 7 IFA_FLAGS = 8 )
Interface attributes, from uapi/linux/if_addr.h.
const ( ARPHRD_NONE = 65534 ARPHRD_ETHER = 1 ARPHRD_LOOPBACK = 772 )
Device types, from uapi/linux/if_arp.h.
const ( // RTN_UNSPEC represents an unspecified route type. RTN_UNSPEC = 0 // RTN_UNICAST represents a unicast route. RTN_UNICAST = 1 // RTN_LOCAL represents a route that is accepted locally. RTN_LOCAL = 2 // RTN_BROADCAST represents a broadcast route (Traffic is accepted locally // as broadcast, and sent as broadcast). RTN_BROADCAST = 3 // RTN_ANYCAST represents a anycast route (Traffic is accepted locally as // broadcast but sent as unicast). RTN_ANYCAST = 6 // RTN_MULTICAST represents a multicast route. RTN_MULTICAST = 5 // RTN_BLACKHOLE represents a route where all traffic is dropped. RTN_BLACKHOLE = 6 // RTN_UNREACHABLE represents a route where the destination is unreachable. RTN_UNREACHABLE = 7 RTN_PROHIBIT = 8 RTN_THROW = 9 RTN_NAT = 10 RTN_XRESOLVE = 11 )
Route types, from uapi/linux/rtnetlink.h.
const ( RTPROT_UNSPEC = 0 RTPROT_REDIRECT = 1 RTPROT_KERNEL = 2 RTPROT_BOOT = 3 RTPROT_STATIC = 4 RTPROT_GATED = 8 RTPROT_RA = 9 RTPROT_MRT = 10 RTPROT_ZEBRA = 11 RTPROT_BIRD = 12 RTPROT_DNROUTED = 13 RTPROT_XORP = 14 RTPROT_NTK = 15 RTPROT_DHCP = 16 RTPROT_MROUTED = 17 RTPROT_BABEL = 42 RTPROT_BGP = 186 RTPROT_ISIS = 187 RTPROT_OSPF = 188 RTPROT_RIP = 189 RTPROT_EIGRP = 192 )
Route protocols/origins, from uapi/linux/rtnetlink.h.
const ( RT_SCOPE_UNIVERSE = 0 RT_SCOPE_SITE = 200 RT_SCOPE_LINK = 253 RT_SCOPE_HOST = 254 RT_SCOPE_NOWHERE = 255 )
Route scopes, from uapi/linux/rtnetlink.h.
const ( RTM_F_NOTIFY = 0x100 RTM_F_CLONED = 0x200 RTM_F_EQUALIZE = 0x400 RTM_F_PREFIX = 0x800 RTM_F_LOOKUP_TABLE = 0x1000 RTM_F_FIB_MATCH = 0x2000 )
Route flags, from uapi/linux/rtnetlink.h.
const ( RT_TABLE_UNSPEC = 0 RT_TABLE_COMPAT = 252 RT_TABLE_DEFAULT = 253 RT_TABLE_MAIN = 254 RT_TABLE_LOCAL = 255 )
Route tables, from uapi/linux/rtnetlink.h.
const ( RTA_UNSPEC = 0 RTA_DST = 1 RTA_SRC = 2 RTA_IIF = 3 RTA_OIF = 4 RTA_GATEWAY = 5 RTA_PRIORITY = 6 RTA_PREFSRC = 7 RTA_METRICS = 8 RTA_MULTIPATH = 9 RTA_PROTOINFO = 10 RTA_FLOW = 11 RTA_CACHEINFO = 12 RTA_SESSION = 13 RTA_MP_ALGO = 14 RTA_TABLE = 15 RTA_MARK = 16 RTA_MFC_STATS = 17 RTA_VIA = 18 RTA_NEWDST = 19 RTA_PREF = 20 RTA_ENCAP_TYPE = 21 RTA_ENCAP = 22 RTA_EXPIRES = 23 RTA_PAD = 24 RTA_UID = 25 RTA_TTL_PROPAGATE = 26 RTA_IP_PROTO = 27 RTA_SPORT = 28 RTA_DPORT = 29 )
Route attributes, from uapi/linux/rtnetlink.h.
const ( RTF_GATEWAY = 0x2 RTF_UP = 0x1 )
Route flags, from include/uapi/linux/route.h.
const ( POLLIN = 0x0001 POLLPRI = 0x0002 POLLOUT = 0x0004 POLLERR = 0x0008 POLLHUP = 0x0010 POLLNVAL = 0x0020 POLLRDNORM = 0x0040 POLLRDBAND = 0x0080 POLLWRNORM = 0x0100 POLLWRBAND = 0x0200 POLLMSG = 0x0400 POLLREMOVE = 0x1000 POLLRDHUP = 0x2000 POLLFREE = 0x4000 POLL_BUSY_LOOP = 0x8000 )
Poll event flags, used by poll(2)/ppoll(2) and/or epoll_ctl(2)/epoll_wait(2), from uapi/asm-generic/poll.h.
const ( // PR_SET_PDEATHSIG sets the process' death signal. PR_SET_PDEATHSIG = 1 // PR_GET_PDEATHSIG gets the process' death signal. PR_GET_PDEATHSIG = 2 // PR_GET_DUMPABLE gets the process' dumpable flag. PR_GET_DUMPABLE = 3 // PR_SET_DUMPABLE sets the process' dumpable flag. PR_SET_DUMPABLE = 4 // PR_GET_KEEPCAPS gets the value of the keep capabilities flag. PR_GET_KEEPCAPS = 7 // PR_SET_KEEPCAPS sets the value of the keep capabilities flag. PR_SET_KEEPCAPS = 8 // PR_GET_TIMING gets the process' timing method. PR_GET_TIMING = 13 // PR_SET_TIMING sets the process' timing method. PR_SET_TIMING = 14 // PR_SET_NAME sets the process' name. PR_SET_NAME = 15 // PR_GET_NAME gets the process' name. PR_GET_NAME = 16 // PR_GET_SECCOMP gets a process' seccomp mode. PR_GET_SECCOMP = 21 // PR_SET_SECCOMP sets a process' seccomp mode. PR_SET_SECCOMP = 22 // PR_CAPBSET_READ gets the capability bounding set. PR_CAPBSET_READ = 23 // PR_CAPBSET_DROP sets the capability bounding set. PR_CAPBSET_DROP = 24 // PR_GET_TSC gets the value of the flag determining whether the // timestamp counter can be read. PR_GET_TSC = 25 // PR_SET_TSC sets the value of the flag determining whether the // timestamp counter can be read. PR_SET_TSC = 26 // PR_SET_TIMERSLACK sets the process' time slack. PR_SET_TIMERSLACK = 29 // PR_GET_TIMERSLACK gets the process' time slack. PR_GET_TIMERSLACK = 30 // PR_TASK_PERF_EVENTS_DISABLE disables all performance counters // attached to the calling process. PR_TASK_PERF_EVENTS_DISABLE = 31 // PR_TASK_PERF_EVENTS_ENABLE enables all performance counters attached // to the calling process. PR_TASK_PERF_EVENTS_ENABLE = 32 // PR_MCE_KILL sets the machine check memory corruption kill policy for // the calling thread. PR_MCE_KILL = 33 // PR_MCE_KILL_GET gets the machine check memory corruption kill policy // for the calling thread. PR_MCE_KILL_GET = 34 // PR_SET_MM modifies certain kernel memory map descriptor fields of // the calling process. See prctl(2) for more information. PR_SET_MM = 35 PR_SET_MM_START_CODE = 1 PR_SET_MM_END_CODE = 2 PR_SET_MM_START_DATA = 3 PR_SET_MM_END_DATA = 4 PR_SET_MM_START_STACK = 5 PR_SET_MM_START_BRK = 6 PR_SET_MM_BRK = 7 PR_SET_MM_ARG_START = 8 PR_SET_MM_ARG_END = 9 PR_SET_MM_ENV_START = 10 PR_SET_MM_ENV_END = 11 PR_SET_MM_AUXV = 12 // PR_SET_MM_EXE_FILE supersedes the /proc/pid/exe symbolic link with a // new one pointing to a new executable file identified by the file // descriptor provided in arg3 argument. See prctl(2) for more // information. PR_SET_MM_EXE_FILE = 13 PR_SET_MM_MAP = 14 PR_SET_MM_MAP_SIZE = 15 // PR_SET_CHILD_SUBREAPER sets the "child subreaper" attribute of the // calling process. PR_SET_CHILD_SUBREAPER = 36 // PR_GET_CHILD_SUBREAPER gets the "child subreaper" attribute of the // calling process. PR_GET_CHILD_SUBREAPER = 37 // PR_SET_NO_NEW_PRIVS sets the calling thread's no_new_privs bit. PR_SET_NO_NEW_PRIVS = 38 // PR_GET_NO_NEW_PRIVS gets the calling thread's no_new_privs bit. PR_GET_NO_NEW_PRIVS = 39 // PR_GET_TID_ADDRESS retrieves the clear_child_tid address. PR_GET_TID_ADDRESS = 40 // PR_SET_THP_DISABLE sets the state of the "THP disable" flag for the // calling thread. PR_SET_THP_DISABLE = 41 // PR_GET_THP_DISABLE gets the state of the "THP disable" flag for the // calling thread. PR_GET_THP_DISABLE = 42 // PR_MPX_ENABLE_MANAGEMENT enables kernel management of Memory // Protection eXtensions (MPX) bounds tables. PR_MPX_ENABLE_MANAGEMENT = 43 // PR_MPX_DISABLE_MANAGEMENT disables kernel management of Memory // Protection eXtensions (MPX) bounds tables. PR_MPX_DISABLE_MANAGEMENT = 44 // The following constants are used to control thread scheduling on cores. PR_SCHED_CORE_SCOPE_THREAD = 0 PR_SCHED_CORE_SCOPE_THREAD_GROUP = 1 // PR_SET_PTRACER allows a specific process (or any, if PR_SET_PTRACER_ANY is // specified) to ptrace the current task. PR_SET_PTRACER = 0x59616d61 PR_SET_PTRACER_ANY = -1 )
PR_* flags, from <linux/pcrtl.h> for prctl(2).
const ( ARCH_SET_GS = 0x1001 ARCH_SET_FS = 0x1002 ARCH_GET_FS = 0x1003 ARCH_GET_GS = 0x1004 ARCH_SET_CPUID = 0x1012 )
From <asm/prctl.h> Flags are used in syscall arch_prctl(2).
const ( SUID_DUMP_DISABLE = 0 SUID_DUMP_USER = 1 SUID_DUMP_ROOT = 2 )
Flags for prctl(PR_SET_DUMPABLE), defined in include/linux/sched/coredump.h.
const ( PTRACE_TRACEME = 0 PTRACE_PEEKTEXT = 1 PTRACE_PEEKDATA = 2 PTRACE_PEEKUSR = 3 PTRACE_POKETEXT = 4 PTRACE_POKEDATA = 5 PTRACE_POKEUSR = 6 PTRACE_CONT = 7 PTRACE_KILL = 8 PTRACE_SINGLESTEP = 9 PTRACE_ATTACH = 16 PTRACE_DETACH = 17 PTRACE_SYSCALL = 24 PTRACE_SETOPTIONS = 0x4200 PTRACE_GETEVENTMSG = 0x4201 PTRACE_GETSIGINFO = 0x4202 PTRACE_SETSIGINFO = 0x4203 PTRACE_GETREGSET = 0x4204 PTRACE_SETREGSET = 0x4205 PTRACE_SEIZE = 0x4206 PTRACE_INTERRUPT = 0x4207 PTRACE_LISTEN = 0x4208 PTRACE_PEEKSIGINFO = 0x4209 PTRACE_GETSIGMASK = 0x420a PTRACE_SETSIGMASK = 0x420b PTRACE_SECCOMP_GET_FILTER = 0x420c PTRACE_SECCOMP_GET_METADATA = 0x420d )
ptrace commands from include/uapi/linux/ptrace.h.
const ( PTRACE_GETREGS = 12 PTRACE_SETREGS = 13 PTRACE_GETFPREGS = 14 PTRACE_SETFPREGS = 15 PTRACE_GETFPXREGS = 18 PTRACE_SETFPXREGS = 19 PTRACE_OLDSETOPTIONS = 21 PTRACE_GET_THREAD_AREA = 25 PTRACE_SET_THREAD_AREA = 26 PTRACE_ARCH_PRCTL = 30 PTRACE_SYSEMU = 31 PTRACE_SYSEMU_SINGLESTEP = 32 PTRACE_SINGLEBLOCK = 33 )
ptrace commands from arch/x86/include/uapi/asm/ptrace-abi.h.
const ( PTRACE_EVENT_FORK = 1 PTRACE_EVENT_VFORK = 2 PTRACE_EVENT_CLONE = 3 PTRACE_EVENT_EXEC = 4 PTRACE_EVENT_VFORK_DONE = 5 PTRACE_EVENT_EXIT = 6 PTRACE_EVENT_SECCOMP = 7 PTRACE_EVENT_STOP = 128 )
ptrace event codes from include/uapi/linux/ptrace.h.
const ( PTRACE_O_TRACESYSGOOD = 1 PTRACE_O_TRACEFORK = 1 << PTRACE_EVENT_FORK PTRACE_O_TRACEVFORK = 1 << PTRACE_EVENT_VFORK PTRACE_O_TRACECLONE = 1 << PTRACE_EVENT_CLONE PTRACE_O_TRACEEXEC = 1 << PTRACE_EVENT_EXEC PTRACE_O_TRACEVFORKDONE = 1 << PTRACE_EVENT_VFORK_DONE PTRACE_O_TRACEEXIT = 1 << PTRACE_EVENT_EXIT PTRACE_O_TRACESECCOMP = 1 << PTRACE_EVENT_SECCOMP PTRACE_O_EXITKILL = 1 << 20 PTRACE_O_SUSPEND_SECCOMP = 1 << 21 )
PTRACE_SETOPTIONS options from include/uapi/linux/ptrace.h.
const ( YAMA_SCOPE_DISABLED = 0 YAMA_SCOPE_RELATIONAL = 1 )
YAMA ptrace_scope levels from security/yama/yama_lsm.c.
const ( // RSEQ_CS_FLAG_NO_RESTART_ON_PREEMPT inhibits restart on preemption. RSEQ_CS_FLAG_NO_RESTART_ON_PREEMPT = 1 << 0 // RSEQ_CS_FLAG_NO_RESTART_ON_SIGNAL inhibits restart on signal // delivery. RSEQ_CS_FLAG_NO_RESTART_ON_SIGNAL = 1 << 1 // RSEQ_CS_FLAG_NO_RESTART_ON_MIGRATE inhibits restart on CPU // migration. RSEQ_CS_FLAG_NO_RESTART_ON_MIGRATE = 1 << 2 )
Critical section flags used in RSeqCriticalSection.Flags and RSeq.Flags.
Defined in include/uapi/linux/rseq.h.
const ( // SizeOfRSeqCriticalSection is the size of RSeqCriticalSection. SizeOfRSeqCriticalSection = 32 // SizeOfRSeqSignature is the size of the signature immediately // preceding RSeqCriticalSection.Abort. SizeOfRSeqSignature = 4 )
const ( // RSEQ_CPU_ID_UNINITIALIZED indicates that this thread has not // performed rseq initialization. RSEQ_CPU_ID_UNINITIALIZED = ^uint32(0) // -1 // RSEQ_CPU_ID_REGISTRATION_FAILED indicates that rseq initialization // failed. RSEQ_CPU_ID_REGISTRATION_FAILED = ^uint32(1) // -2 )
Special values for RSeq.CPUID, defined in include/uapi/linux/rseq.h.
const ( // SizeOfRSeq is the size of RSeq. // // Note that RSeq is naively 24 bytes. However, it has 32-byte // alignment, which in C increases sizeof to 32. That is the size that // the Linux kernel uses. SizeOfRSeq = 32 // AlignOfRSeq is the standard alignment of RSeq. AlignOfRSeq = 32 // OffsetOfRSeqCriticalSection is the offset of RSeqCriticalSection in RSeq. OffsetOfRSeqCriticalSection = 8 )
const ( // wait4(2) uses this to aggregate RUSAGE_SELF and RUSAGE_CHILDREN. RUSAGE_BOTH = -0x2 // getrusage(2) flags. RUSAGE_CHILDREN = -0x1 RUSAGE_SELF = 0x0 RUSAGE_THREAD = 0x1 )
Flags that may be used with wait4(2) and getrusage(2).
const ( SCHED_NORMAL = 0 SCHED_FIFO = 1 SCHED_RR = 2 SCHED_BATCH = 3 SCHED_IDLE = 5 SCHED_DEADLINE = 6 SCHED_MICROQ = 16 // SCHED_RESET_ON_FORK is a flag that indicates that the process is // reverted back to SCHED_NORMAL on fork. SCHED_RESET_ON_FORK = 0x40000000 )
Scheduling policies, exposed by sched_getscheduler(2)/sched_setscheduler(2).
const ( PRIO_PGRP = 0x1 PRIO_PROCESS = 0x0 PRIO_USER = 0x2 )
Scheduling priority group selectors.
const ( SECCOMP_MODE_NONE = 0 SECCOMP_MODE_FILTER = 2 SECCOMP_RET_ACTION_FULL = 0xffff0000 SECCOMP_RET_ACTION = 0x7fff0000 SECCOMP_RET_DATA = 0x0000ffff SECCOMP_SET_MODE_FILTER = 1 SECCOMP_FILTER_FLAG_TSYNC = 1 SECCOMP_GET_ACTION_AVAIL = 2 )
Seccomp constants taken from <linux/seccomp.h>.
const ( GETPID = 11 GETVAL = 12 GETALL = 13 GETNCNT = 14 GETZCNT = 15 SETVAL = 16 SETALL = 17 )
semctl Command Definitions. Source: include/uapi/linux/sem.h
const ( SEM_STAT = 18 SEM_INFO = 19 SEM_STAT_ANY = 20 )
ipcs ctl cmds. Source: include/uapi/linux/sem.h
const ( SEMMNI = 32000 SEMMSL = 32000 SEMMNS = SEMMNI * SEMMSL SEMOPM = 500 SEMVMX = 32767 SEMAEM = SEMVMX SEMUME = SEMOPM SEMMNU = SEMMNS SEMMAP = SEMMNS SEMUSZ = 20 )
Information about system-wide sempahore limits and parameters.
Source: include/uapi/linux/sem.h
const ( SHM_RDONLY = 010000 // Read-only access. SHM_RND = 020000 // Round attach address to SHMLBA boundary. SHM_REMAP = 040000 // Take-over region on attach. SHM_EXEC = 0100000 // Execution access. )
shmat(2) flags. Source: include/uapi/linux/shm.h
const ( SHM_DEST = 01000 // Segment will be destroyed on last detach. SHM_LOCKED = 02000 // Segment will not be swapped. SHM_HUGETLB = 04000 // Segment will use huge TLB pages. SHM_NORESERVE = 010000 // Don't check for reservations. )
IPCPerm.Mode upper byte flags. Source: include/linux/shm.h
const ( SHM_LOCK = 11 SHM_UNLOCK = 12 SHM_STAT = 13 SHM_INFO = 14 )
Additional Linux-only flags for shmctl(2). Source: include/uapi/linux/shm.h
const ( SHMMIN = 1 SHMMNI = 4096 SHMMAX = math.MaxUint64 - 1<<24 SHMALL = math.MaxUint64 - 1<<24 SHMSEG = 4096 )
SHM defaults as specified by linux. Source: include/uapi/linux/shm.h
const ( // SignalMaximum is the highest valid signal number. SignalMaximum = 64 // FirstStdSignal is the lowest standard signal number. FirstStdSignal = 1 // LastStdSignal is the highest standard signal number. LastStdSignal = 31 // FirstRTSignal is the lowest real-time signal number. // // 32 (SIGCANCEL) and 33 (SIGSETXID) are used internally by glibc. FirstRTSignal = 32 // LastRTSignal is the highest real-time signal number. LastRTSignal = 64 // NumStdSignals is the number of standard signals. NumStdSignals = LastStdSignal - FirstStdSignal + 1 // NumRTSignals is the number of realtime signals. NumRTSignals = LastRTSignal - FirstRTSignal + 1 )
const ( SIGABRT = Signal(6) SIGALRM = Signal(14) SIGBUS = Signal(7) SIGCHLD = Signal(17) SIGCLD = Signal(17) SIGCONT = Signal(18) SIGFPE = Signal(8) SIGHUP = Signal(1) SIGILL = Signal(4) SIGINT = Signal(2) SIGIO = Signal(29) SIGIOT = Signal(6) SIGKILL = Signal(9) SIGPIPE = Signal(13) SIGPOLL = Signal(29) SIGPROF = Signal(27) SIGPWR = Signal(30) SIGQUIT = Signal(3) SIGSEGV = Signal(11) SIGSTKFLT = Signal(16) SIGSTOP = Signal(19) SIGSYS = Signal(31) SIGTERM = Signal(15) SIGTRAP = Signal(5) SIGTSTP = Signal(20) SIGTTIN = Signal(21) SIGTTOU = Signal(22) SIGUNUSED = Signal(31) SIGURG = Signal(23) SIGUSR1 = Signal(10) SIGUSR2 = Signal(12) SIGVTALRM = Signal(26) SIGWINCH = Signal(28) SIGXCPU = Signal(24) SIGXFSZ = Signal(25) )
Signals.
const ( // SIG_BLOCK blocks the signals in the set. SIG_BLOCK = 0 // SIG_UNBLOCK blocks the signals in the set. SIG_UNBLOCK = 1 // SIG_SETMASK sets the signal mask to set. SIG_SETMASK = 2 )
'how' values for rt_sigprocmask(2).
const ( // SIG_DFL performs the default action. SIG_DFL = 0 // SIG_IGN ignores the signal. SIG_IGN = 1 )
Signal actions for rt_sigaction(2), from uapi/asm-generic/signal-defs.h.
const ( SA_NOCLDSTOP = 0x00000001 SA_NOCLDWAIT = 0x00000002 SA_SIGINFO = 0x00000004 SA_RESTORER = 0x04000000 SA_ONSTACK = 0x08000000 SA_RESTART = 0x10000000 SA_NODEFER = 0x40000000 SA_RESETHAND = 0x80000000 SA_NOMASK = SA_NODEFER SA_ONESHOT = SA_RESETHAND )
Signal action flags for rt_sigaction(2), from uapi/asm-generic/signal.h.
const ( SS_ONSTACK = 1 SS_DISABLE = 2 )
Signal stack flags for signalstack(2), from include/uapi/linux/signal.h.
const ( // SI_POLL is defined as __SI_POLL in Linux 2.6. SI_POLL = 2 << 16 // POLL_IN indicates that data input available. POLL_IN = SI_POLL | 1 // POLL_OUT indicates that output buffers available. POLL_OUT = SI_POLL | 2 // POLL_MSG indicates that an input message available. POLL_MSG = SI_POLL | 3 // POLL_ERR indicates that there was an i/o error. POLL_ERR = SI_POLL | 4 // POLL_PRI indicates that a high priority input available. POLL_PRI = SI_POLL | 5 // POLL_HUP indicates that a device disconnected. POLL_HUP = SI_POLL | 6 )
SIGPOLL si_codes.
const ( // SI_USER is sent by kill, sigsend, raise. SI_USER = 0 // SI_KERNEL is sent by the kernel from somewhere. SI_KERNEL = 0x80 // SI_QUEUE is sent by sigqueue. SI_QUEUE = -1 // SI_TIMER is sent by timer expiration. SI_TIMER = -2 // SI_MESGQ is sent by real time mesq state change. SI_MESGQ = -3 // SI_ASYNCIO is sent by AIO completion. SI_ASYNCIO = -4 // SI_SIGIO is sent by queued SIGIO. SI_SIGIO = -5 // SI_TKILL is sent by tkill system call. SI_TKILL = -6 // SI_DETHREAD is sent by execve() killing subsidiary threads. SI_DETHREAD = -7 // SI_ASYNCNL is sent by glibc async name lookup completion. SI_ASYNCNL = -60 )
Possible values for si_code.
const ( // CLD_EXITED indicates that a task exited. CLD_EXITED = 1 // CLD_KILLED indicates that a task was killed by a signal. CLD_KILLED = 2 // CLD_DUMPED indicates that a task was killed by a signal and then dumped // core. CLD_DUMPED = 3 // CLD_TRAPPED indicates that a task was stopped by ptrace. CLD_TRAPPED = 4 // CLD_STOPPED indicates that a thread group completed a group stop. CLD_STOPPED = 5 // CLD_CONTINUED indicates that a group-stopped thread group was continued. CLD_CONTINUED = 6 )
CLD_* codes are only meaningful for SIGCHLD.
const ( SIGEV_SIGNAL = 0 SIGEV_NONE = 1 SIGEV_THREAD = 2 SIGEV_THREAD_ID = 4 )
Possible values for Sigevent.Notify, aka struct sigevent::sigev_notify.
const ( // SFD_NONBLOCK is a signalfd(2) flag. SFD_NONBLOCK = 00004000 // SFD_CLOEXEC is a signalfd(2) flag. SFD_CLOEXEC = 02000000 )
const ( AF_UNSPEC = 0 AF_UNIX = 1 AF_INET = 2 AF_AX25 = 3 AF_IPX = 4 AF_APPLETALK = 5 AF_NETROM = 6 AF_BRIDGE = 7 AF_ATMPVC = 8 AF_X25 = 9 AF_INET6 = 10 AF_ROSE = 11 AF_DECnet = 12 AF_NETBEUI = 13 AF_SECURITY = 14 AF_KEY = 15 AF_NETLINK = 16 AF_PACKET = 17 AF_ASH = 18 AF_ECONET = 19 AF_ATMSVC = 20 AF_RDS = 21 AF_SNA = 22 AF_IRDA = 23 AF_PPPOX = 24 AF_WANPIPE = 25 AF_LLC = 26 AF_IB = 27 AF_MPLS = 28 AF_CAN = 29 AF_TIPC = 30 AF_BLUETOOTH = 31 AF_IUCV = 32 AF_RXRPC = 33 AF_ISDN = 34 AF_PHONET = 35 AF_IEEE802154 = 36 AF_CAIF = 37 AF_ALG = 38 AF_NFC = 39 AF_VSOCK = 40 )
Address families, from linux/socket.h.
const ( MSG_OOB = 0x1 MSG_PEEK = 0x2 MSG_DONTROUTE = 0x4 MSG_TRYHARD = 0x4 MSG_CTRUNC = 0x8 MSG_PROBE = 0x10 MSG_TRUNC = 0x20 MSG_DONTWAIT = 0x40 MSG_EOR = 0x80 MSG_WAITALL = 0x100 MSG_FIN = 0x200 MSG_EOF = MSG_FIN MSG_SYN = 0x400 MSG_CONFIRM = 0x800 MSG_RST = 0x1000 MSG_ERRQUEUE = 0x2000 MSG_NOSIGNAL = 0x4000 MSG_MORE = 0x8000 MSG_WAITFORONE = 0x10000 MSG_SENDPAGE_NOTLAST = 0x20000 MSG_ZEROCOPY = 0x4000000 MSG_FASTOPEN = 0x20000000 MSG_CMSG_CLOEXEC = 0x40000000 )
sendmsg(2)/recvmsg(2) flags, from linux/socket.h.
const ( SOL_IP = 0 SOL_SOCKET = 1 SOL_TCP = 6 SOL_UDP = 17 SOL_IPV6 = 41 SOL_ICMPV6 = 58 SOL_RAW = 255 SOL_PACKET = 263 SOL_NETLINK = 270 )
Set/get socket option levels, from socket.h.
const ( SOCK_CLOEXEC = O_CLOEXEC SOCK_NONBLOCK = O_NONBLOCK )
socket(2)/socketpair(2)/accept4(2) flags, from linux/net.h.
const ( SHUT_RD = 0 SHUT_WR = 1 SHUT_RDWR = 2 )
shutdown(2) how commands, from <linux/net.h>.
const ( PACKET_HOST = 0 // To us PACKET_BROADCAST = 1 // To all PACKET_MULTICAST = 2 // To group PACKET_OTHERHOST = 3 // To someone else PACKET_OUTGOING = 4 // Outgoing of any type )
Packet types from <linux/if_packet.h>
const ( SO_DEBUG = 1 SO_REUSEADDR = 2 SO_TYPE = 3 SO_ERROR = 4 SO_DONTROUTE = 5 SO_BROADCAST = 6 SO_SNDBUF = 7 SO_RCVBUF = 8 SO_KEEPALIVE = 9 SO_OOBINLINE = 10 SO_NO_CHECK = 11 SO_PRIORITY = 12 SO_LINGER = 13 SO_BSDCOMPAT = 14 SO_REUSEPORT = 15 SO_PASSCRED = 16 SO_PEERCRED = 17 SO_RCVLOWAT = 18 SO_SNDLOWAT = 19 SO_RCVTIMEO = 20 SO_SNDTIMEO = 21 SO_BINDTODEVICE = 25 SO_ATTACH_FILTER = 26 SO_DETACH_FILTER = 27 SO_GET_FILTER = SO_ATTACH_FILTER SO_PEERNAME = 28 SO_TIMESTAMP = 29 SO_ACCEPTCONN = 30 SO_PEERSEC = 31 SO_SNDBUFFORCE = 32 SO_RCVBUFFORCE = 33 SO_PASSSEC = 34 SO_TIMESTAMPNS = 35 SO_MARK = 36 SO_TIMESTAMPING = 37 SO_PROTOCOL = 38 SO_DOMAIN = 39 SO_RXQ_OVFL = 40 SO_WIFI_STATUS = 41 SO_PEEK_OFF = 42 SO_NOFCS = 43 SO_LOCK_FILTER = 44 SO_SELECT_ERR_QUEUE = 45 SO_BUSY_POLL = 46 SO_MAX_PACING_RATE = 47 SO_BPF_EXTENSIONS = 48 SO_INCOMING_CPU = 49 SO_ATTACH_BPF = 50 SO_ATTACH_REUSEPORT_CBPF = 51 SO_ATTACH_REUSEPORT_EBPF = 52 SO_CNX_ADVICE = 53 SO_MEMINFO = 55 SO_INCOMING_NAPI_ID = 56 SO_COOKIE = 57 SO_PEERGROUPS = 59 SO_ZEROCOPY = 60 SO_TXTIME = 61 )
Socket options from socket.h.
const ( SS_FREE = 0 // Not allocated. SS_UNCONNECTED = 1 // Unconnected to any socket. SS_CONNECTING = 2 // In process of connecting. SS_CONNECTED = 3 // Connected to socket. SS_DISCONNECTING = 4 // In process of disconnecting. )
enum socket_state, from uapi/linux/net.h.
const ( TCP_ESTABLISHED uint32 = iota + 1 TCP_SYN_SENT TCP_SYN_RECV TCP_FIN_WAIT1 TCP_FIN_WAIT2 TCP_TIME_WAIT TCP_CLOSE TCP_CLOSE_WAIT TCP_LAST_ACK TCP_LISTEN TCP_CLOSING TCP_NEW_SYN_RECV )
TCP protocol states, from include/net/tcp_states.h.
const ( SCM_CREDENTIALS = 0x2 SCM_RIGHTS = 0x1 )
Control message types, from linux/socket.h.
const ( SPLICE_F_MOVE = 1 << iota SPLICE_F_NONBLOCK SPLICE_F_MORE SPLICE_F_GIFT )
Constants for splice(2), sendfile(2) and tee(2).
const ( TCP_NODELAY = 1 TCP_MAXSEG = 2 TCP_CORK = 3 TCP_KEEPIDLE = 4 TCP_KEEPINTVL = 5 TCP_KEEPCNT = 6 TCP_SYNCNT = 7 TCP_LINGER2 = 8 TCP_DEFER_ACCEPT = 9 TCP_WINDOW_CLAMP = 10 TCP_INFO = 11 TCP_QUICKACK = 12 TCP_CONGESTION = 13 TCP_MD5SIG = 14 TCP_THIN_LINEAR_TIMEOUTS = 16 TCP_THIN_DUPACK = 17 TCP_USER_TIMEOUT = 18 TCP_REPAIR = 19 TCP_REPAIR_QUEUE = 20 TCP_QUEUE_SEQ = 21 TCP_REPAIR_OPTIONS = 22 TCP_FASTOPEN = 23 TCP_TIMESTAMP = 24 TCP_NOTSENT_LOWAT = 25 TCP_CC_INFO = 26 TCP_SAVE_SYN = 27 TCP_SAVED_SYN = 28 TCP_REPAIR_WINDOW = 29 TCP_FASTOPEN_CONNECT = 30 TCP_ULP = 31 TCP_MD5SIG_EXT = 32 TCP_FASTOPEN_KEY = 33 TCP_FASTOPEN_NO_COOKIE = 34 TCP_ZEROCOPY_RECEIVE = 35 TCP_INQ = 36 )
Socket options from uapi/linux/tcp.h.
const ( MAX_TCP_KEEPIDLE = 32767 MAX_TCP_KEEPINTVL = 32767 MAX_TCP_KEEPCNT = 127 )
Socket constants from include/net/tcp.h.
const ( TCP_CA_Open = 0 TCP_CA_Disorder = 1 TCP_CA_CWR = 2 TCP_CA_Recovery = 3 TCP_CA_Loss = 4 )
Congestion control states from include/uapi/linux/tcp.h.
const ( // ClockTick is the length of time represented by a single clock tick, as // used by times(2) and /proc/[pid]/stat. ClockTick = time.Second / CLOCKS_PER_SEC // CLOCKS_PER_SEC is the number of ClockTicks per second. // // Linux defines this to be 100 on most architectures, irrespective of // CONFIG_HZ. Userspace obtains the value through sysconf(_SC_CLK_TCK), // which uses the AT_CLKTCK entry in the auxiliary vector if one is // provided, and assumes 100 otherwise (glibc: // sysdeps/posix/sysconf.c:__sysconf() => // sysdeps/unix/sysv/linux/getclktck.c, elf/dl-support.c:_dl_aux_init()). // // Not to be confused with POSIX CLOCKS_PER_SEC, as used by clock(3); "XSI // requires that [POSIX] CLOCKS_PER_SEC equals 1000000 independent of the // actual resolution" - clock(3). CLOCKS_PER_SEC = 100 )
const ( CPUCLOCK_PROF = 0 CPUCLOCK_VIRT = 1 CPUCLOCK_SCHED = 2 CPUCLOCK_MAX = 3 CLOCKFD = CPUCLOCK_MAX CPUCLOCK_CLOCK_MASK = 3 CPUCLOCK_PERTHREAD_MASK = 4 )
CPU clock types for use with clock_gettime(2) et al.
The 29 most significant bits of a 32 bit clock ID are either a PID or a FD.
Bits 1 and 0 give the type: PROF=0, VIRT=1, SCHED=2, or FD=3.
Bit 2 indicates whether a cpu clock refers to a thread or a process.
const ( CLOCK_REALTIME = 0 CLOCK_MONOTONIC = 1 CLOCK_PROCESS_CPUTIME_ID = 2 CLOCK_THREAD_CPUTIME_ID = 3 CLOCK_MONOTONIC_RAW = 4 CLOCK_REALTIME_COARSE = 5 CLOCK_MONOTONIC_COARSE = 6 CLOCK_BOOTTIME = 7 CLOCK_REALTIME_ALARM = 8 CLOCK_BOOTTIME_ALARM = 9 )
Clock identifiers for use with clock_gettime(2), clock_getres(2), clock_nanosleep(2).
const ( // TFD_CLOEXEC is a timerfd_create flag. TFD_CLOEXEC = O_CLOEXEC // TFD_NONBLOCK is a timerfd_create flag. TFD_NONBLOCK = O_NONBLOCK // TFD_TIMER_ABSTIME is a timerfd_settime flag. TFD_TIMER_ABSTIME = 1 )
Flags for timerfd syscalls (timerfd_create(2), timerfd_settime(2)).
const ( ITIMER_REAL = 0 ITIMER_VIRTUAL = 1 ITIMER_PROF = 2 )
itimer types for getitimer(2) and setitimer(2), from include/uapi/linux/time.h.
const ( IGNBRK = 0000001 BRKINT = 0000002 IGNPAR = 0000004 PARMRK = 0000010 INPCK = 0000020 ISTRIP = 0000040 INLCR = 0000100 IGNCR = 0000200 ICRNL = 0000400 IUCLC = 0001000 IXON = 0002000 IXANY = 0004000 IXOFF = 0010000 IMAXBEL = 0020000 IUTF8 = 0040000 )
Input flags.
const ( OPOST = 0000001 OLCUC = 0000002 ONLCR = 0000004 OCRNL = 0000010 ONOCR = 0000020 ONLRET = 0000040 OFILL = 0000100 OFDEL = 0000200 NLDLY = 0000400 NL0 = 0000000 NL1 = 0000400 CRDLY = 0003000 CR0 = 0000000 CR1 = 0001000 CR2 = 0002000 CR3 = 0003000 TABDLY = 0014000 TAB0 = 0000000 TAB1 = 0004000 TAB2 = 0010000 TAB3 = 0014000 XTABS = 0014000 BSDLY = 0020000 BS0 = 0000000 BS1 = 0020000 VTDLY = 0040000 VT0 = 0000000 VT1 = 0040000 FFDLY = 0100000 FF0 = 0000000 FF1 = 0100000 )
Output flags.
const ( CBAUD = 0010017 B0 = 0000000 B50 = 0000001 B75 = 0000002 B110 = 0000003 B134 = 0000004 B150 = 0000005 B200 = 0000006 B300 = 0000007 B600 = 0000010 B1200 = 0000011 B1800 = 0000012 B2400 = 0000013 B4800 = 0000014 B9600 = 0000015 B19200 = 0000016 B38400 = 0000017 EXTA = B19200 EXTB = B38400 CSIZE = 0000060 CS5 = 0000000 CS6 = 0000020 CS7 = 0000040 CS8 = 0000060 CSTOPB = 0000100 CREAD = 0000200 PARENB = 0000400 PARODD = 0001000 HUPCL = 0002000 CLOCAL = 0004000 CBAUDEX = 0010000 BOTHER = 0010000 B57600 = 0010001 B115200 = 0010002 B230400 = 0010003 B460800 = 0010004 B500000 = 0010005 B576000 = 0010006 B921600 = 0010007 B1000000 = 0010010 B1152000 = 0010011 B1500000 = 0010012 B2000000 = 0010013 B2500000 = 0010014 B3000000 = 0010015 B3500000 = 0010016 B4000000 = 0010017 CIBAUD = 002003600000 CMSPAR = 010000000000 CRTSCTS = 020000000000 // IBSHIFT is the shift from CBAUD to CIBAUD. IBSHIFT = 16 )
Control flags.
const ( ISIG = 0000001 ICANON = 0000002 XCASE = 0000004 ECHO = 0000010 ECHOE = 0000020 ECHOK = 0000040 ECHONL = 0000100 NOFLSH = 0000200 TOSTOP = 0000400 ECHOCTL = 0001000 ECHOPRT = 0002000 ECHOKE = 0004000 FLUSHO = 0010000 PENDIN = 0040000 IEXTEN = 0100000 EXTPROC = 0200000 )
Local flags.
const ( VINTR = 0 VQUIT = 1 VERASE = 2 VKILL = 3 VEOF = 4 VTIME = 5 VMIN = 6 VSWTC = 7 VSTART = 8 VSTOP = 9 VSUSP = 10 VEOL = 11 VREPRINT = 12 VDISCARD = 13 VWERASE = 14 VLNEXT = 15 VEOL2 = 16 )
Control Character indices.
const ( WNOHANG = 0x00000001 WUNTRACED = 0x00000002 WSTOPPED = WUNTRACED WEXITED = 0x00000004 WCONTINUED = 0x00000008 WNOWAIT = 0x01000000 WNOTHREAD = 0x20000000 WALL = 0x40000000 WCLONE = 0x80000000 )
Options for waitpid(2), wait4(2), and/or waitid(2), from include/uapi/linux/wait.h.
const ( P_ALL = 0x0 P_PID = 0x1 P_PGID = 0x2 )
ID types for waitid(2), from include/uapi/linux/wait.h.
const ( XATTR_NAME_MAX = 255 XATTR_SIZE_MAX = 65536 XATTR_LIST_MAX = 65536 XATTR_CREATE = 1 XATTR_REPLACE = 2 XATTR_SECURITY_PREFIX = "security." XATTR_SECURITY_PREFIX_LEN = len(XATTR_SECURITY_PREFIX) XATTR_SYSTEM_PREFIX = "system." XATTR_SYSTEM_PREFIX_LEN = len(XATTR_SYSTEM_PREFIX) XATTR_TRUSTED_PREFIX = "trusted." XATTR_TRUSTED_PREFIX_LEN = len(XATTR_TRUSTED_PREFIX) XATTR_USER_PREFIX = "user." XATTR_USER_PREFIX_LEN = len(XATTR_USER_PREFIX) )
Constants for extended attributes.
const AIORingSize = 32
AIORingSize is sizeof(struct aio_ring).
const ALL_INOTIFY_BITS = IN_ACCESS | IN_MODIFY | IN_ATTRIB | IN_CLOSE_WRITE | IN_CLOSE_NOWRITE | IN_OPEN | IN_MOVED_FROM | IN_MOVED_TO | IN_CREATE | IN_DELETE | IN_DELETE_SELF | IN_MOVE_SELF | IN_UNMOUNT | IN_Q_OVERFLOW | IN_IGNORED | IN_ONLYDIR | IN_DONT_FOLLOW | IN_EXCL_UNLINK | IN_MASK_ADD | IN_ISDIR | IN_ONESHOT
ALL_INOTIFY_BITS contains all the bits for all possible inotify events. It's defined in the Linux source at "include/linux/inotify.h".
const (
AT_EACCESS = 0x200
)
Constants for faccessat2(2).
const (
AT_FDCWD = -100
)
Constants for all file-related ...at(2) syscalls.
const (
AT_REMOVEDIR = 0x200
)
Constants for unlinkat(2).
const (
AT_SYMLINK_NOFOLLOW = 0x100
)
Constants for fstatat(2).
const ( // CtxSignalNoInfoFunc is a Context.Value key for a function to send signals. CtxSignalNoInfoFunc contextID = iota )
const (
FD_CLOEXEC = 00000001
)
Flags for fcntl.
const FUSE_GETATTR_FH = (1 << 0)
FUSE_GETATTR_FH is currently the only flag of FUSEGetAttrIn.GetAttrFlags. If it is set, the file handle (FUSEGetAttrIn.Fh) is used to indicate the object instead of the node id attribute in the request header.
const ( // FUSE_MIN_READ_BUFFER is the minimum size the read can be for any FUSE filesystem. // This is the minimum size Linux supports. See linux.fuse.h. FUSE_MIN_READ_BUFFER uint32 = 8192 )
const (
FUSE_READ_LOCKOWNER = 1 << 1
)
FUSE_READ flags, consistent with the ones in include/uapi/linux/fuse.h.
const FUSE_ROOT_ID = 1
FUSE_ROOT_ID is the id of root inode.
const FUTEX_BITSET_MATCH_ANY = 0xffffffff
FUTEX_BITSET_MATCH_ANY has all bits set.
const FUTEX_TID_MASK = 0x3fffffff
FUTEX_TID_MASK is the TID portion of a PI futex word.
const (
ICMPV6_FILTER = 1
)
Socket options from uapi/linux/icmpv6.h
const (
// IFNAMSIZ is the size of the name field for IFReq.
IFNAMSIZ = 16
)
const (
IORING_ENTER_GETEVENTS = (1 << 0)
)
Constants for io_uring_enter(2). See include/uapi/linux/io_uring.h.
const (
IORING_FEAT_SINGLE_MMAP = (1 << 0)
)
Constants for IoUringParams.Features. See include/uapi/linux/io_uring.h.
const IP6T_ORIGINAL_DST = 80
IP6T_ORIGINAL_DST is the ip6tables SOL_IPV6 socket option. Corresponds to the value in include/uapi/linux/netfilter_ipv6/ip6_tables.h.
const (
IPC_PRIVATE = 0
)
IPC flags.
const MAX_NON_LFS = ((1 << 31) - 1)
MAX_NON_LFS indicates the maximum offset without large file support.
const (
MEMBARRIER_CMD_FLAG_CPU = (1 << 0)
)
membarrier(2) flags, from include/uapi/linux/membarrier.h.
const (
MLOCK_ONFAULT = 0x01
)
Flags for mlock2(2).
const MaxSymlinkTraversals = 40
MaxSymlinkTraversals is the maximum number of links that will be followed by the kernel to resolve a symlink.
const NLA_ALIGNTO = 4
NLA_ALIGNTO is the alignment of netlink attributes, from uapi/linux/netlink.h.
const NLMSG_ALIGNTO = 4
NLMSG_ALIGNTO is the alignment of netlink messages, from uapi/linux/netlink.h.
const NetlinkAttrHeaderSize = 4
NetlinkAttrHeaderSize is the size of NetlinkAttrHeader.
const NetlinkMessageHeaderSize = 16
NetlinkMessageHeaderSize is the size of NetlinkMessageHeader.
const (
// NumControlCharacters is the number of control characters in Termios.
NumControlCharacters = 19
)
const NumSoftIRQ = 10
NumSoftIRQ is the number of software IRQs, exposed via /proc/stat.
Defined in linux/interrupt.h.
const (
// PTMX_MINOR is the minor device number for /dev/ptmx.
PTMX_MINOR = 2
)
Minor device numbers for TTYAUX_MAJOR.
const ROBUST_LIST_LIMIT = 2048
ROBUST_LIST_LIMIT protects against a deliberately circular list.
const (
// RSEQ_FLAG_UNREGISTER unregisters the current thread.
RSEQ_FLAG_UNREGISTER = 1 << 0
)
Flags passed to rseq(2).
Defined in include/uapi/linux/rseq.h.
const SCM_MAX_FD = 253
SCM_MAX_FD is the maximum number of FDs accepted in a single sendmsg call. From net/scm.h.
const (
SEM_UNDO = 0x1000
)
Semaphore flags.
const (
SIOCGSTAMP = 0x8906
)
ioctl(2) requests provided by uapi/asm-generic/sockios.h
const SOCK_TYPE_MASK = 0xf
SOCK_TYPE_MASK covers all of the above socket types. The remaining bits are flags. From linux/net.h.
const SO_ACCEPTCON = 1 << 16
SO_ACCEPTCON is defined as __SO_ACCEPTCON in include/uapi/linux/net.h, which represents a listening socket state. Note that this is distinct from SO_ACCEPTCONN, which is a socket option for querying whether a socket is in a listening state.
const (
SO_ORIGINAL_DST = 80
)
Socket option for SOL_IP. This corresponds to the value in include/uapi/linux/netfilter_ipv4.h.
const (
// SYS_SECCOMP indicates that a signal originates from seccomp.
SYS_SECCOMP = 1
)
SYS_* codes are only meaningful for SIGSYS.
const SignalSetSize = 8
SignalSetSize is the size in bytes of a SignalSet.
const SizeOfControlMessageHopLimit = 4
SizeOfControlMessageHopLimit is the size of an IPV6_HOPLIMIT control message.
const SizeOfControlMessageIPPacketInfo = 12
SizeOfControlMessageIPPacketInfo is the size of an IP_PKTINFO control message.
const SizeOfControlMessageIPv6PacketInfo = 20
SizeOfControlMessageIPv6PacketInfo is the size of a ControlMessageIPv6PacketInfo.
const SizeOfControlMessageInq = 4
SizeOfControlMessageInq is the size of a TCP_INQ control message.
const SizeOfControlMessageRight = 4
SizeOfControlMessageRight is the size of a single element in ControlMessageRights.
const SizeOfControlMessageTClass = 4
SizeOfControlMessageTClass is the size of an IPV6_TCLASS control message.
const SizeOfControlMessageTOS = 1
SizeOfControlMessageTOS is the size of an IP_TOS control message.
const SizeOfControlMessageTTL = 4
SizeOfControlMessageTTL is the size of an IP_TTL control message.
const SizeOfIP6TEntry = 168
SizeOfIP6TEntry is the size of an IP6TEntry.
const SizeOfIP6TIP = 136
SizeOfIP6TIP is the size of an IP6 header.
const SizeOfIP6TReplace = 96
SizeOfIP6TReplace is the size of an IP6TReplace.
const SizeOfIPTEntry = 112
SizeOfIPTEntry is the size of an IPTEntry.
const SizeOfIPTGetEntries = 40
SizeOfIPTGetEntries is the size of an IPTGetEntries.
const SizeOfIPTGetinfo = 84
SizeOfIPTGetinfo is the size of an IPTGetinfo.
const SizeOfIPTIP = 84
SizeOfIPTIP is the size of an IPTIP.
const SizeOfIPTOwnerInfo = 34
SizeOfIPTOwnerInfo is the size of an XTOwnerMatchInfo.
const SizeOfIPTReplace = 96
SizeOfIPTReplace is the size of an IPTReplace.
const SizeOfLinger = 8
SizeOfLinger is the binary size of a Linger struct.
const SizeOfNFNATRange = 40
SizeOfNFNATRange is the size of NFNATRange.
const SizeOfRouteMessage = 12
SizeOfRouteMessage is the size of RouteMessage.
const SizeOfRtAttr = 4
SizeOfRtAttr is the size of RtAttr.
const SizeOfTimeval = 16
SizeOfTimeval is the size of a Timeval struct in bytes.
const SizeOfXTCounters = 16
SizeOfXTCounters is the size of an XTCounters.
const SizeOfXTEntryMatch = 32
SizeOfXTEntryMatch is the size of an XTEntryMatch.
const SizeOfXTEntryTarget = 32
SizeOfXTEntryTarget is the size of an XTEntryTarget.
const SizeOfXTErrorTarget = 64
SizeOfXTErrorTarget is the size of an XTErrorTarget.
const SizeOfXTGetRevision = 30
SizeOfXTGetRevision is the size of an XTGetRevision.
const SizeOfXTRedirectTarget = 56
SizeOfXTRedirectTarget is the size of an XTRedirectTarget.
const SizeOfXTSNATTarget = 56
SizeOfXTSNATTarget is the size of an XTSNATTarget.
const SizeOfXTStandardTarget = 40
SizeOfXTStandardTarget is the size of an XTStandardTarget.
const SizeOfXTTCP = 12
SizeOfXTTCP is the size of an XTTCP.
const SizeOfXTUDP = 10
SizeOfXTUDP is the size of an XTUDP.
const SockAddrMax = 128
SockAddrMax is the maximum size of a struct sockaddr, from uapi/linux/socket.h.
const SockAddrNetlinkSize = 12
SockAddrNetlinkSize is the size of SockAddrNetlink.
const TASK_COMM_LEN = 16
TASK_COMM_LEN is the task command name length.
const (
TIMER_ABSTIME = 1
)
Flags for clock_nanosleep(2).
const UIO_MAXIOV = 1024
UIO_MAXIOV is the maximum number of struct iovecs in a struct iovec array.
const ( // UTSLen is the maximum length of strings contained in fields of // UtsName. UTSLen = 64 )
const UnixPathMax = 108
UnixPathMax is the maximum length of the path in an AF_UNIX socket.
From uapi/linux/un.h.
Variables ¶
var ( KCOV_INIT_TRACE = IOC(_IOC_READ, 'c', 1, 8) KCOV_ENABLE = IOC(_IOC_NONE, 'c', 100, 0) KCOV_DISABLE = IOC(_IOC_NONE, 'c', 101, 0) )
Kcov ioctls from kernel/kcov.h.
var ( TUNSETIFF = IOC(_IOC_WRITE, 'T', 202, 4) TUNGETIFF = IOC(_IOC_READ, 'T', 210, 4) )
ioctl(2) request numbers from linux/if_tun.h
var DefaultControlCharacters = [NumControlCharacters]uint8{ ControlCharacter('C'), ControlCharacter('\\'), '\x7f', ControlCharacter('U'), ControlCharacter('D'), 0, 1, 0, ControlCharacter('Q'), ControlCharacter('S'), ControlCharacter('Z'), 0, ControlCharacter('R'), ControlCharacter('O'), ControlCharacter('W'), ControlCharacter('V'), 0, }
DefaultControlCharacters is the default set of Termios control characters.
var DefaultReplicaTermios = KernelTermios{ InputFlags: ICRNL | IXON, OutputFlags: OPOST | ONLCR, ControlFlags: B38400 | CS8 | CREAD, LocalFlags: ISIG | ICANON | ECHO | ECHOE | ECHOK | ECHOCTL | ECHOKE | IEXTEN, ControlCharacters: DefaultControlCharacters, InputSpeed: 38400, OutputSpeed: 38400, }
DefaultReplicaTermios is the default terminal configuration of the replica end of a Unix98 pseudoterminal.
var DirentType = abi.ValueSet{ DT_UNKNOWN: "DT_UNKNOWN", DT_FIFO: "DT_FIFO", DT_CHR: "DT_CHR", DT_DIR: "DT_DIR", DT_BLK: "DT_BLK", DT_REG: "DT_REG", DT_LNK: "DT_LNK", DT_SOCK: "DT_SOCK", DT_WHT: "DT_WHT", }
DirentType are the friendly strings for linux_dirent64.d_type.
var IOEventSize = binary.Size(IOEvent{})
IOEventSize is the size of an ioEvent encoded.
var InitRLimits = map[int]RLimit{ RLIMIT_CPU: {RLimInfinity, RLimInfinity}, RLIMIT_FSIZE: {RLimInfinity, RLimInfinity}, RLIMIT_DATA: {RLimInfinity, RLimInfinity}, RLIMIT_STACK: {DefaultStackSoftLimit, RLimInfinity}, RLIMIT_CORE: {0, RLimInfinity}, RLIMIT_RSS: {RLimInfinity, RLimInfinity}, RLIMIT_NPROC: {DefaultNprocLimit, DefaultNprocLimit}, RLIMIT_NOFILE: {DefaultNofileSoftLimit, DefaultNofileHardLimit}, RLIMIT_MEMLOCK: {DefaultMemlockLimit, DefaultMemlockLimit}, RLIMIT_AS: {RLimInfinity, RLimInfinity}, RLIMIT_LOCKS: {RLimInfinity, RLimInfinity}, RLIMIT_SIGPENDING: {0, 0}, RLIMIT_MSGQUEUE: {DefaultMsgqueueLimit, DefaultMsgqueueLimit}, RLIMIT_NICE: {0, 0}, RLIMIT_RTPRIO: {0, 0}, RLIMIT_RTTIME: {RLimInfinity, RLimInfinity}, }
InitRLimits is a map of initial rlimits set by Linux in include/asm-generic/resource.h.
var MasterTermios = KernelTermios{ ControlFlags: B38400 | CS8 | CREAD, ControlCharacters: DefaultControlCharacters, InputSpeed: 38400, OutputSpeed: 38400, }
MasterTermios is the terminal configuration of the master end of a Unix98 pseudoterminal.
var SizeOfControlMessageCredentials = (*ControlMessageCredentials)(nil).SizeBytes()
SizeOfControlMessageCredentials is the binary size of a ControlMessageCredentials struct.
var SizeOfControlMessageHeader = (*ControlMessageHeader)(nil).SizeBytes()
SizeOfControlMessageHeader is the binary size of a ControlMessageHeader struct.
var SizeOfEpollEvent = (*EpollEvent)(nil).SizeBytes()
SizeOfEpollEvent is the size of EpollEvent struct.
var SizeOfIFReq = (*IFReq)(nil).SizeBytes()
SizeOfIFReq is the binary size of an IFReq struct (40 bytes).
var SizeOfRobustListHead = (*RobustListHead)(nil).SizeBytes()
SizeOfRobustListHead is the size of a RobustListHead struct.
var SizeOfStat = (*Stat)(nil).SizeBytes()
SizeOfStat is the size of a Stat struct.
var SizeOfStatx = (*Statx)(nil).SizeBytes()
SizeOfStatx is the size of a Statx struct.
var SizeOfTCPInfo = (*TCPInfo)(nil).SizeBytes()
SizeOfTCPInfo is the binary size of a TCPInfo struct.
var VerdictStrings = map[int32]string{ -NF_DROP - 1: "DROP", -NF_ACCEPT - 1: "ACCEPT", -NF_QUEUE - 1: "QUEUE", NF_RETURN: "RETURN", }
VerdictStrings maps int verdicts to the strings they represent. It is used for debugging.
Functions ¶
func ControlCharacter ¶
ControlCharacter returns the termios-style control character for the passed character.
e.g., for Ctrl-C, i.e., ^C, call ControlCharacter('C').
Standard control characters are ASCII bytes 0 through 31.
func DecodeDeviceID ¶
DecodeDeviceID decodes a device ID into major and minor device numbers.
func ForEachSignal ¶
ForEachSignal invokes f for each signal set in the given mask.
func MakeDeviceID ¶
MakeDeviceID encodes a major and minor device number into a single device ID.
Format (see linux/kdev_t.h:new_encode_dev):
Bits 7:0 - minor bits 7:0 Bits 19:8 - major bits 11:0 Bits 31:20 - minor bits 19:8
Types ¶
type BPFAction ¶
type BPFAction uint32
BPFAction is an action for a BPF filter.
const ( SECCOMP_RET_KILL_PROCESS BPFAction = 0x80000000 SECCOMP_RET_KILL_THREAD BPFAction = 0x00000000 SECCOMP_RET_TRAP BPFAction = 0x00030000 SECCOMP_RET_ERRNO BPFAction = 0x00050000 SECCOMP_RET_TRACE BPFAction = 0x7ff00000 SECCOMP_RET_ALLOW BPFAction = 0x7fff0000 )
BPFAction definitions.
func (BPFAction) WithReturnCode ¶
WithReturnCode sets the lower 16 bits of the SECCOMP_RET_ERRNO or SECCOMP_RET_TRACE actions to the provided return code, overwriting the previous action, and returns a new BPFAction. If not SECCOMP_RET_ERRNO or SECCOMP_RET_TRACE then this panics.
type BPFInstruction ¶
type BPFInstruction struct {
// OpCode is the operation to execute.
OpCode uint16
// JumpIfTrue is the number of instructions to skip if OpCode is a
// conditional instruction and the condition is true.
JumpIfTrue uint8
// JumpIfFalse is the number of instructions to skip if OpCode is a
// conditional instruction and the condition is false.
JumpIfFalse uint8
// K is a constant parameter. The meaning depends on the value of OpCode.
K uint32
}
BPFInstruction is a raw BPF virtual machine instruction.
+marshal slice:BPFInstructionSlice +stateify savable
type CString ¶
type CString string
CString represents a null terminated string which can be marshalled.
+marshal dynamic
func (*CString) MarshalBytes ¶
MarshalBytes implements marshal.Marshallable.MarshalBytes.
func (*CString) UnmarshalBytes ¶
UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
type CapUserData ¶
CapUserData is equivalent to Linux's cap_user_data_t.
+marshal slice:CapUserDataSlice
type Capability ¶
type Capability int
A Capability represents the ability to perform a privileged operation.
func (Capability) Ok ¶
func (cp Capability) Ok() bool
Ok returns true if cp is a supported capability.
type ClockT ¶
type ClockT int64
ClockT represents type clock_t.
+marshal
func ClockTFromDuration ¶
ClockTFromDuration converts time.Duration to clock_t.
type CloneArgs ¶
type CloneArgs struct {
Flags uint64
Pidfd uint64
ChildTID uint64
ParentTID uint64
ExitSignal uint64
Stack uint64
StackSize uint64
TLS uint64
SetTID uint64
SetTIDSize uint64
Cgroup uint64
}
CloneArgs is struct clone_args, from include/uapi/linux/sched.h.
type ControlMessageCredentials ¶
A ControlMessageCredentials is an SCM_CREDENTIALS socket control message.
ControlMessageCredentials represents struct ucred from linux/socket.h.
+marshal
type ControlMessageHeader ¶
A ControlMessageHeader is the header for a socket control message.
ControlMessageHeader represents struct cmsghdr from linux/socket.h.
+marshal
type ControlMessageIPPacketInfo ¶
A ControlMessageIPPacketInfo is IP_PKTINFO socket control message.
ControlMessageIPPacketInfo represents struct in_pktinfo from linux/in.h.
+marshal +stateify savable
type ControlMessageIPv6PacketInfo ¶
ControlMessageIPv6PacketInfo represents struct in6_pktinfo from linux/ipv6.h.
+marshal +stateify savable
type ElfHeader64 ¶
type ElfHeader64 struct {
Ident [16]byte // File identification.
Type uint16 // File type.
Machine uint16 // Machine architecture.
Version uint32 // ELF format version.
Entry uint64 // Entry point.
Phoff uint64 // Program header file offset.
Shoff uint64 // Section header file offset.
Flags uint32 // Architecture-specific flags.
Ehsize uint16 // Size of ELF header in bytes.
Phentsize uint16 // Size of program header entry.
Phnum uint16 // Number of program header entries.
Shentsize uint16 // Size of section header entry.
Shnum uint16 // Number of section header entries.
Shstrndx uint16 // Section name strings section.
}
ElfHeader64 is the ELF64 file header.
+marshal
type ElfProg64 ¶
type ElfProg64 struct {
Type uint32 // Entry type.
Flags uint32 // Access permission flags.
Off uint64 // File offset of contents.
Vaddr uint64 // Virtual address in memory image.
Paddr uint64 // Physical address (not used).
Filesz uint64 // Size of contents in file.
Memsz uint64 // Size of contents in memory.
Align uint64 // Alignment in memory and file.
}
ElfProg64 is the ELF64 Program header.
+marshal
type ElfSection64 ¶
type ElfSection64 struct {
Name uint32 // Section name (index into the section header string table).
Type uint32 // Section type.
Flags uint64 // Section flags.
Addr uint64 // Address in memory image.
Off uint64 // Offset in file.
Size uint64 // Size in bytes.
Link uint32 // Index of a related section.
Info uint32 // Depends on section type.
Addralign uint64 // Alignment in bytes.
Entsize uint64 // Size of each entry in section.
}
ElfSection64 is the ELF64 Section header.
+marshal
type EpollEvent ¶
type EpollEvent struct {
Events uint32
// Linux makes struct epoll_event::data a __u64. We represent it as
// [2]int32 because, on amd64, Linux also makes struct epoll_event
// __attribute__((packed)), such that there is no padding between Events
// and Data.
Data [2]int32
}
EpollEvent is equivalent to struct epoll_event from epoll(2).
+marshal slice:EpollEventSlice
type ErrorName ¶
type ErrorName [XT_FUNCTION_MAXNAMELEN]byte
ErrorName holds the name of a netfilter error. These can also hold user-defined chains.
+marshal
type EthtoolCmd ¶
type EthtoolCmd uint32
EthtoolCmd is a marshallable type to be able to easily copyin the the command for an SIOCETHTOOL ioctl.
+marshal
const ( // ETHTOOL_GFEATURES is the command to SIOCETHTOOL to query device // features. // See: <linux/ethtool.h> ETHTOOL_GFEATURES EthtoolCmd = 0x3a )
type EthtoolGFeatures ¶
EthtoolGFeatures is used to return a list of device features. See: <linux/ethtool.h>
+marshal
type EthtoolGetFeaturesBlock ¶
type EthtoolGetFeaturesBlock struct {
Available uint32
Requested uint32
Active uint32
NeverChanged uint32
}
EthtoolGetFeaturesBlock is used to return state of upto 32 device features. See: <linux/ethtool.h>
+marshal
type ExtensionName ¶
type ExtensionName [XT_EXTENSION_MAXNAMELEN]byte
ExtensionName holds the name of a netfilter extension.
+marshal
func (ExtensionName) String ¶
func (en ExtensionName) String() string
String implements fmt.Stringer.
type FUSEAttr ¶
type FUSEAttr struct {
// Ino is the inode number of this file.
Ino uint64
// Size is the size of this file.
Size uint64
// Blocks is the number of the 512B blocks allocated by this file.
Blocks uint64
// Atime is the time of last access.
Atime uint64
// Mtime is the time of last modification.
Mtime uint64
// Ctime is the time of last status change.
Ctime uint64
// AtimeNsec is the nano second part of Atime.
AtimeNsec uint32
// MtimeNsec is the nano second part of Mtime.
MtimeNsec uint32
// CtimeNsec is the nano second part of Ctime.
CtimeNsec uint32
// Mode contains the file type and mode.
Mode uint32
// Nlink is the number of the hard links.
Nlink uint32
// UID is user ID of the owner.
UID uint32
// GID is group ID of the owner.
GID uint32
// Rdev is the device ID if this is a special file.
Rdev uint32
// BlkSize is the block size for filesystem I/O.
BlkSize uint32
// contains filtered or unexported fields
}
FUSEAttr is the struct used in the reponse FUSEGetAttrOut.
+marshal
type FUSECreateIn ¶
type FUSECreateIn struct {
// CreateMeta contains mode, rdev and umash field for FUSE_MKNODS.
CreateMeta FUSECreateMeta
// Name is the name of the node to create.
Name CString
}
FUSECreateIn contains all the arguments sent by the kernel to the daemon, to atomically create and open a new regular file.
+marshal dynamic
func (*FUSECreateIn) MarshalBytes ¶
func (r *FUSECreateIn) MarshalBytes(buf []byte) []byte
MarshalBytes implements marshal.Marshallable.MarshalBytes.
func (*FUSECreateIn) SizeBytes ¶
func (r *FUSECreateIn) SizeBytes() int
SizeBytes implements marshal.Marshallable.SizeBytes.
func (*FUSECreateIn) UnmarshalBytes ¶
func (r *FUSECreateIn) UnmarshalBytes(buf []byte) []byte
UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
type FUSECreateMeta ¶
type FUSECreateMeta struct {
// Flags of the creating file.
Flags uint32
// Mode is the mode of the creating file.
Mode uint32
// Umask is the current file mode creation mask.
Umask uint32
// contains filtered or unexported fields
}
FUSECreateMeta contains all the static fields of FUSECreateIn, which is used for FUSE_CREATE.
+marshal
type FUSECreateOut ¶
type FUSECreateOut struct {
FUSEEntryOut
FUSEOpenOut
}
FUSECreateOut is the reply sent by the daemon to the kernel for FUSECreateMeta.
+marshal
type FUSEDirent ¶
type FUSEDirent struct {
// Meta contains all the static fields of FUSEDirent.
Meta FUSEDirentMeta
// Name is the filename of the dirent.
Name string
}
FUSEDirent is a Dirent received from the FUSE daemon server. It is used for FUSE_READDIR.
+marshal dynamic
func (*FUSEDirent) MarshalBytes ¶
func (r *FUSEDirent) MarshalBytes(buf []byte) []byte
MarshalBytes implements marshal.Marshallable.MarshalBytes.
func (*FUSEDirent) SizeBytes ¶
func (r *FUSEDirent) SizeBytes() int
SizeBytes implements marshal.Marshallable.SizeBytes.
func (*FUSEDirent) UnmarshalBytes ¶
func (r *FUSEDirent) UnmarshalBytes(src []byte) []byte
UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
type FUSEDirentMeta ¶
type FUSEDirentMeta struct {
// Inode of the dirent.
Ino uint64
// Offset of the dirent.
Off uint64
// NameLen is the length of the dirent name.
NameLen uint32
// Type of the dirent.
Type uint32
}
FUSEDirentMeta contains all the static fields of FUSEDirent. It is used for FUSE_READDIR.
+marshal
type FUSEDirents ¶
type FUSEDirents struct {
Dirents []*FUSEDirent
}
FUSEDirents is a list of Dirents received from the FUSE daemon server. It is used for FUSE_READDIR.
+marshal dynamic
func (*FUSEDirents) MarshalBytes ¶
func (r *FUSEDirents) MarshalBytes(buf []byte) []byte
MarshalBytes implements marshal.Marshallable.MarshalBytes.
func (*FUSEDirents) SizeBytes ¶
func (r *FUSEDirents) SizeBytes() int
SizeBytes implements marshal.Marshallable.SizeBytes.
func (*FUSEDirents) UnmarshalBytes ¶
func (r *FUSEDirents) UnmarshalBytes(src []byte) []byte
UnmarshalBytes deserializes FUSEDirents from the src buffer.
type FUSEEmptyIn ¶
type FUSEEmptyIn struct{}
FUSEEmptyIn is used by operations without request body.
+marshal dynamic
func (*FUSEEmptyIn) MarshalBytes ¶
func (r *FUSEEmptyIn) MarshalBytes(buf []byte) []byte
MarshalBytes implements marshal.Marshallable.MarshalBytes.
func (*FUSEEmptyIn) SizeBytes ¶
func (r *FUSEEmptyIn) SizeBytes() int
SizeBytes implements marshal.Marshallable.SizeBytes.
func (*FUSEEmptyIn) UnmarshalBytes ¶
func (r *FUSEEmptyIn) UnmarshalBytes(buf []byte) []byte
UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
type FUSEEntryOut ¶
type FUSEEntryOut struct {
// NodeID is the ID for current inode.
NodeID uint64
// Generation is the generation number of inode.
// Used to identify an inode that have different ID at different time.
Generation uint64
// EntryValid indicates timeout for an entry.
EntryValid uint64
// AttrValid indicates timeout for an entry's attributes.
AttrValid uint64
// EntryValidNsec indicates timeout for an entry in nanosecond.
EntryValidNSec uint32
// AttrValidNsec indicates timeout for an entry's attributes in nanosecond.
AttrValidNSec uint32
// Attr contains the attributes of an entry.
Attr FUSEAttr
}
FUSEEntryOut is the reply sent by the daemon to the kernel for FUSE_MKNOD, FUSE_MKDIR, FUSE_SYMLINK, FUSE_LINK and FUSE_LOOKUP.
+marshal
type FUSEFsyncIn ¶
FUSEFsyncIn is the request sent by the kernel to the daemon when trying to fsync a file.
+marshal
type FUSEGetAttrIn ¶
type FUSEGetAttrIn struct {
// GetAttrFlags specifies whether getattr request is sent with a nodeid or
// with a file handle.
GetAttrFlags uint32
// Fh is the file handler when GetAttrFlags has FUSE_GETATTR_FH bit. If
// used, the operation is analogous to fstat(2).
Fh uint64
// contains filtered or unexported fields
}
FUSEGetAttrIn is the request sent by the kernel to the daemon, to get the attribute of a inode.
+marshal
type FUSEGetAttrOut ¶
type FUSEGetAttrOut struct {
// AttrValid and AttrValidNsec describe the attribute cache duration
AttrValid uint64
// AttrValidNsec is the nanosecond part of the attribute cache duration
AttrValidNsec uint32
// Attr contains the metadata returned from the FUSE server
Attr FUSEAttr
// contains filtered or unexported fields
}
FUSEGetAttrOut is the reply sent by the daemon to the kernel for FUSEGetAttrIn.
+marshal
type FUSEHeaderIn ¶
type FUSEHeaderIn struct {
// Len specifies the total length of the data, including this header.
Len uint32
// Opcode specifies the kind of operation of the request.
Opcode FUSEOpcode
// Unique specifies the unique identifier for this request.
Unique FUSEOpID
// NodeID is the ID of the filesystem object being operated on.
NodeID uint64
// UID is the UID of the requesting process.
UID uint32
// GID is the GID of the requesting process.
GID uint32
// PID is the PID of the requesting process.
PID uint32
// contains filtered or unexported fields
}
FUSEHeaderIn is the header read by the daemon with each request.
+marshal
type FUSEHeaderOut ¶
type FUSEHeaderOut struct {
// Len specifies the total length of the data, including this header.
Len uint32
// Error specifies the error that occurred (0 if none).
Error int32
// Unique specifies the unique identifier of the corresponding request.
Unique FUSEOpID
}
FUSEHeaderOut is the header written by the daemon when it processes a request and wants to send a reply (almost all operations require a reply; if they do not, this will be explicitly documented).
+marshal
type FUSEInitIn ¶
type FUSEInitIn struct {
// Major version supported by kernel.
Major uint32
// Minor version supported by the kernel.
Minor uint32
// MaxReadahead is the maximum number of bytes to read-ahead
// decided by the kernel.
MaxReadahead uint32
// Flags of this init request.
Flags uint32
}
FUSEInitIn is the request sent by the kernel to the daemon, to negotiate the version and flags.
+marshal
type FUSEInitOut ¶
type FUSEInitOut struct {
// Major version supported by daemon.
Major uint32
// Minor version supported by daemon.
Minor uint32
// MaxReadahead is the maximum number of bytes to read-ahead.
// Decided by the daemon, after receiving the value from kernel.
MaxReadahead uint32
// Flags of this init reply.
Flags uint32
// MaxBackground is the maximum number of pending background requests
// that the daemon wants.
MaxBackground uint16
// CongestionThreshold is the daemon-decided threshold for
// the number of the pending background requests.
CongestionThreshold uint16
// MaxWrite is the daemon's maximum size of a write buffer.
// Kernel adjusts it to the minimum (fuse/init.go:fuseMinMaxWrite).
// if the value from daemon is too small.
MaxWrite uint32
// TimeGran is the daemon's time granularity for mtime and ctime metadata.
// The unit is nanosecond.
// Value should be power of 10.
// 1 indicates full nanosecond granularity support.
TimeGran uint32
// MaxPages is the daemon's maximum number of pages for one write operation.
// Kernel adjusts it to the maximum (fuse/init.go:FUSE_MAX_MAX_PAGES).
// if the value from daemon is too large.
MaxPages uint16
// contains filtered or unexported fields
}
FUSEInitOut is the reply sent by the daemon to the kernel for FUSEInitIn. We target FUSE 7.23; this struct supports 7.28.
+marshal
type FUSELookupIn ¶
type FUSELookupIn struct {
// Name is a file name to be looked up.
Name CString
}
FUSELookupIn is the request sent by the kernel to the daemon to look up a file name.
+marshal dynamic
func (*FUSELookupIn) MarshalBytes ¶
func (r *FUSELookupIn) MarshalBytes(buf []byte) []byte
MarshalBytes implements marshal.Marshallable.MarshalBytes.
func (*FUSELookupIn) SizeBytes ¶
func (r *FUSELookupIn) SizeBytes() int
SizeBytes implements marshal.Marshallable.SizeBytes.
func (*FUSELookupIn) UnmarshalBytes ¶
func (r *FUSELookupIn) UnmarshalBytes(buf []byte) []byte
UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
type FUSEMkdirIn ¶
type FUSEMkdirIn struct {
// MkdirMeta contains Mode and Umask of the directory to create.
MkdirMeta FUSEMkdirMeta
// Name of the directory to create.
Name CString
}
FUSEMkdirIn contains all the arguments sent by the kernel to the daemon, to create a new directory.
+marshal dynamic
func (*FUSEMkdirIn) MarshalBytes ¶
func (r *FUSEMkdirIn) MarshalBytes(buf []byte) []byte
MarshalBytes implements marshal.Marshallable.MarshalBytes.
func (*FUSEMkdirIn) SizeBytes ¶
func (r *FUSEMkdirIn) SizeBytes() int
SizeBytes implements marshal.Marshallable.SizeBytes.
func (*FUSEMkdirIn) UnmarshalBytes ¶
func (r *FUSEMkdirIn) UnmarshalBytes(buf []byte) []byte
UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
type FUSEMkdirMeta ¶
type FUSEMkdirMeta struct {
// Mode of the directory of create.
Mode uint32
// Umask is the user file creation mask.
Umask uint32
}
FUSEMkdirMeta contains all the static fields of FUSEMkdirIn, which is used for FUSE_MKDIR.
+marshal
type FUSEMknodIn ¶
type FUSEMknodIn struct {
// MknodMeta contains mode, rdev and umash field for FUSE_MKNODS.
MknodMeta FUSEMknodMeta
// Name is the name of the node to create.
Name CString
}
FUSEMknodIn contains all the arguments sent by the kernel to the daemon, to create a new file node.
+marshal dynamic
func (*FUSEMknodIn) MarshalBytes ¶
func (r *FUSEMknodIn) MarshalBytes(buf []byte) []byte
MarshalBytes implements marshal.Marshallable.MarshalBytes.
func (*FUSEMknodIn) SizeBytes ¶
func (r *FUSEMknodIn) SizeBytes() int
SizeBytes implements marshal.Marshallable.SizeBytes.
func (*FUSEMknodIn) UnmarshalBytes ¶
func (r *FUSEMknodIn) UnmarshalBytes(buf []byte) []byte
UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
type FUSEMknodMeta ¶
type FUSEMknodMeta struct {
// Mode of the inode to create.
Mode uint32
// Rdev encodes device major and minor information.
Rdev uint32
// Umask is the current file mode creation mask.
Umask uint32
// contains filtered or unexported fields
}
FUSEMknodMeta contains all the static fields of FUSEMknodIn, which is used for FUSE_MKNOD.
+marshal
type FUSEOpenIn ¶
type FUSEOpenIn struct {
// Flags of this open request.
Flags uint32
// contains filtered or unexported fields
}
FUSEOpenIn is the request sent by the kernel to the daemon, to negotiate flags and get file handle.
+marshal
type FUSEOpenOut ¶
type FUSEOpenOut struct {
// Fh is the file handler for opened file.
Fh uint64
// OpenFlag for the opened file.
OpenFlag uint32
// contains filtered or unexported fields
}
FUSEOpenOut is the reply sent by the daemon to the kernel for FUSEOpenIn.
+marshal
type FUSEReadIn ¶
type FUSEReadIn struct {
// Fh is the file handle in userspace.
Fh uint64
// Offset is the read offset.
Offset uint64
// Size is the number of bytes to read.
Size uint32
// ReadFlags for this FUSE_READ request.
// Currently only contains FUSE_READ_LOCKOWNER.
ReadFlags uint32
// LockOwner is the id of the lock owner if there is one.
LockOwner uint64
// Flags for the underlying file.
Flags uint32
// contains filtered or unexported fields
}
FUSEReadIn is the request sent by the kernel to the daemon for FUSE_READ.
+marshal
type FUSEReleaseIn ¶
type FUSEReleaseIn struct {
// Fh is the file handler for the file to be released.
Fh uint64
// Flags of the file.
Flags uint32
// ReleaseFlags of this release request.
ReleaseFlags uint32
// LockOwner is the id of the lock owner if there is one.
LockOwner uint64
}
FUSEReleaseIn is the request sent by the kernel to the daemon when there is no more reference to a file.
+marshal
type FUSERenameIn ¶
FUSERenameIn sent by the kernel for FUSE_RENAME
+marshal dynamic
func (*FUSERenameIn) MarshalBytes ¶
func (r *FUSERenameIn) MarshalBytes(dst []byte) []byte
MarshalBytes implements marshal.Marshallable.MarshalBytes.
func (*FUSERenameIn) SizeBytes ¶
func (r *FUSERenameIn) SizeBytes() int
SizeBytes implements marshal.Marshallable.SizeBytes.
func (*FUSERenameIn) UnmarshalBytes ¶
func (r *FUSERenameIn) UnmarshalBytes(buf []byte) []byte
UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
type FUSERmDirIn ¶
type FUSERmDirIn struct {
// Name is a directory name to be removed.
Name CString
}
FUSERmDirIn is the request sent by the kernel to the daemon when trying to remove a directory.
+marshal dynamic
func (*FUSERmDirIn) MarshalBytes ¶
func (r *FUSERmDirIn) MarshalBytes(buf []byte) []byte
MarshalBytes implements marshal.Marshallable.MarshalBytes.
func (*FUSERmDirIn) SizeBytes ¶
func (r *FUSERmDirIn) SizeBytes() int
SizeBytes implements marshal.Marshallable.SizeBytes.
func (*FUSERmDirIn) UnmarshalBytes ¶
func (r *FUSERmDirIn) UnmarshalBytes(buf []byte) []byte
UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
type FUSESetAttrIn ¶
type FUSESetAttrIn struct {
// Valid indicates which attributes are modified by this request.
Valid uint32
// Fh is used to identify the file if FATTR_FH is set in Valid.
Fh uint64
// Size is the size that the request wants to change to.
Size uint64
// LockOwner is the owner of the lock that the request wants to change to.
LockOwner uint64
// Atime is the access time that the request wants to change to.
Atime uint64
// Mtime is the modification time that the request wants to change to.
Mtime uint64
// Ctime is the status change time that the request wants to change to.
Ctime uint64
// AtimeNsec is the nano second part of Atime.
AtimeNsec uint32
// MtimeNsec is the nano second part of Mtime.
MtimeNsec uint32
// CtimeNsec is the nano second part of Ctime.
CtimeNsec uint32
// Mode is the file mode that the request wants to change to.
Mode uint32
// UID is the user ID of the owner that the request wants to change to.
UID uint32
// GID is the group ID of the owner that the request wants to change to.
GID uint32
// contains filtered or unexported fields
}
FUSESetAttrIn is the request sent by the kernel to the daemon, to set the attribute(s) of a file.
+marshal
type FUSEStatfsOut ¶
type FUSEStatfsOut struct {
// Blocks is the maximum number of data blocks the filesystem may store, in
// units of BlockSize.
Blocks uint64
// BlocksFree is the number of free data blocks, in units of BlockSize.
BlocksFree uint64
// BlocksAvailable is the number of data blocks free for use by
// unprivileged users, in units of BlockSize.
BlocksAvailable uint64
// Files is the number of used file nodes on the filesystem.
Files uint64
// FileFress is the number of free file nodes on the filesystem.
FilesFree uint64
// BlockSize is the optimal transfer block size in bytes.
BlockSize uint32
// NameLength is the maximum file name length.
NameLength uint32
// FragmentSize is equivalent to BlockSize.
FragmentSize uint32
Spare [6]uint32
// contains filtered or unexported fields
}
FUSEStatfsOut is the reply sent by the daemon to the kernel for FUSE_STATFS. from https://elixir.bootlin.com/linux/latest/source/include/uapi/linux/fuse.h#L252
+marshal
type FUSESymlinkIn ¶
type FUSESymlinkIn struct {
// Name of symlink to create.
Name CString
// Target of the symlink.
Target CString
}
FUSESymlinkIn is the request sent by the kernel to the daemon, to create a symbolic link.
+marshal dynamic
func (*FUSESymlinkIn) MarshalBytes ¶
func (r *FUSESymlinkIn) MarshalBytes(buf []byte) []byte
MarshalBytes implements marshal.Marshallable.MarshalBytes.
func (*FUSESymlinkIn) SizeBytes ¶
func (r *FUSESymlinkIn) SizeBytes() int
SizeBytes implements marshal.Marshallable.SizeBytes.
func (*FUSESymlinkIn) UnmarshalBytes ¶
func (r *FUSESymlinkIn) UnmarshalBytes(buf []byte) []byte
UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
type FUSEUnlinkIn ¶
type FUSEUnlinkIn struct {
// Name of the node to unlink.
Name CString
}
FUSEUnlinkIn is the request sent by the kernel to the daemon when trying to unlink a node.
+marshal dynamic
func (*FUSEUnlinkIn) MarshalBytes ¶
func (r *FUSEUnlinkIn) MarshalBytes(buf []byte) []byte
MarshalBytes implements marshal.Marshallable.MarshalBytes.
func (*FUSEUnlinkIn) SizeBytes ¶
func (r *FUSEUnlinkIn) SizeBytes() int
SizeBytes implements marshal.Marshallable.SizeBytes.
func (*FUSEUnlinkIn) UnmarshalBytes ¶
func (r *FUSEUnlinkIn) UnmarshalBytes(buf []byte) []byte
UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
type FUSEWriteIn ¶
type FUSEWriteIn struct {
// Fh is the file handle in userspace.
Fh uint64
// Offset is the write offset.
Offset uint64
// Size is the number of bytes to write.
Size uint32
// ReadFlags for this FUSE_WRITE request.
WriteFlags uint32
// LockOwner is the id of the lock owner if there is one.
LockOwner uint64
// Flags for the underlying file.
Flags uint32
// contains filtered or unexported fields
}
FUSEWriteIn is the first part of the payload of the request sent by the kernel to the daemon for FUSE_WRITE (struct for FUSE version >= 7.9).
The second part of the payload is the binary bytes of the data to be written. See FUSEWritePayloadIn that combines header & payload.
+marshal
type FUSEWriteOut ¶
type FUSEWriteOut struct {
// Size is the number of bytes written.
Size uint32
// contains filtered or unexported fields
}
FUSEWriteOut is the payload of the reply sent by the daemon to the kernel for a FUSE_WRITE request.
+marshal
type FUSEWritePayloadIn ¶
type FUSEWritePayloadIn struct {
Header FUSEWriteIn
Payload primitive.ByteSlice
}
FUSEWritePayloadIn combines header - FUSEWriteIn and payload in a single marshallable struct when sending request by the kernel to the daemon
+marshal dynamic
func (*FUSEWritePayloadIn) MarshalBytes ¶
func (r *FUSEWritePayloadIn) MarshalBytes(dst []byte) []byte
MarshalBytes implements marshal.Marshallable.MarshalBytes.
func (*FUSEWritePayloadIn) SizeBytes ¶
func (r *FUSEWritePayloadIn) SizeBytes() int
SizeBytes implements marshal.Marshallable.SizeBytes.
func (*FUSEWritePayloadIn) UnmarshalBytes ¶
func (r *FUSEWritePayloadIn) UnmarshalBytes(src []byte) []byte
UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
type FileMode ¶
type FileMode uint16
FileMode represents a mode_t.
+marshal
func (FileMode) DirentType ¶
DirentType maps file types to dirent types appropriate for (struct dirent)::d_type.
func (FileMode) Permissions ¶
Permissions returns just the permission bits.
type Flock ¶
type Flock struct {
Type int16
Whence int16
Start int64
Len int64
PID int32
// contains filtered or unexported fields
}
Flock is the lock structure for F_SETLK.
+marshal
type ICMP6Filter ¶
type ICMP6Filter struct {
Filter [8]uint32
}
ICMP6Filter represents struct icmp6_filter from linux/icmpv6.h.
+marshal +stateify savable
type IFConf ¶
IFConf is used to return a list of interfaces and their addresses. See netdevice(7) and struct ifconf for more detail on its use.
+marshal
type IFMap ¶
type IFMap struct {
MemStart uint64
MemEnd uint64
BaseAddr int16
IRQ byte
DMA byte
Port byte
// contains filtered or unexported fields
}
IFMap contains interface hardware parameters.
type IFReq ¶
type IFReq struct {
// IFName is an encoded name, normally null-terminated. This should be
// accessed via the Name and SetName functions.
IFName [IFNAMSIZ]byte
// Data is the union of the following structures:
//
// struct sockaddr ifr_addr;
// struct sockaddr ifr_dstaddr;
// struct sockaddr ifr_broadaddr;
// struct sockaddr ifr_netmask;
// struct sockaddr ifr_hwaddr;
// short ifr_flags;
// int ifr_ifindex;
// int ifr_metric;
// int ifr_mtu;
// struct ifmap ifr_map;
// char ifr_slave[IFNAMSIZ];
// char ifr_newname[IFNAMSIZ];
// char *ifr_data;
Data [24]byte
}
IFReq is an interface request.
+marshal
type IOCallback ¶
type IOCallback struct {
Data uint64
Key uint32
OpCode uint16
ReqPrio int16
FD int32
Buf uint64
Bytes uint64
Offset int64
Reserved2 uint64
Flags uint32
// eventfd to signal if IOCB_FLAG_RESFD is set in flags.
ResFD int32
// contains filtered or unexported fields
}
IOCallback describes an I/O request.
The priority field is currently ignored in the implementation below. Also note that the IOCB_FLAG_RESFD feature is not supported.
+marshal
type IOCqRingOffsets ¶
type IOCqRingOffsets struct {
Head uint32 // Offset to io_rings.cq.head
Tail uint32 // Offset to io_rings.cq.tail
RingMask uint32 // Offset to io_rings.cq_ring_mask
RingEntries uint32 // Offset to io_rings.cq_ring_entries
Overflow uint32 // Offset to io_rings.cq_overflow
Cqes uint32 // Offset to io_rings.cqes
Flags uint32 // Offset to io_rings.cq_flags
Resv1 uint32 // Currently reserved and expected to be zero
Resv2 uint64 // Currently reserved and expected to be zero
}
IOCqRingOffsets implements io_cqring_offsets struct. IOCqRingOffsets represents offsets into IORings. See struct io_cqring_offsets in include/uapi/linux/io_uring.h.
+marshal
type IORings ¶
type IORings struct {
Sq, Cq IOUring
SqRingMask, CqRingMask uint32
SqRingEntries, CqRingEntries uint32
CqOverflow uint32
// contains filtered or unexported fields
}
IORings implements io_rings struct. This struct describes layout of the mapped region backed by the ringBuffersFile. See struct io_rings in io_uring/io_uring.c.
+marshal
type IOSqRingOffsets ¶
type IOSqRingOffsets struct {
Head uint32 // Offset to io_rings.sq.head
Tail uint32 // Offset to io_rings.sq.tail
RingMask uint32 // Offset to io_rings.sq_ring_mask
RingEntries uint32 // Offset to io_rings.sq_ring_entries
Flags uint32 // Offset to io_rings.sq_flags
Dropped uint32 // Offset to io_rings.sq_dropped
Array uint32 // Offset to an array of SQE indices
Resv1 uint32 // Currently reserved and expected to be zero
Resv2 uint64 // Currently reserved and expected to be zero
}
IOSqRingOffsets implements io_sqring_offsets struct. IOSqRingOffsets represents offsets into IORings. See struct io_sqring_offsets in include/uapi/linux/io_uring.h.
+marshal
type IOUring ¶
type IOUring struct {
// Both head and tail should be cacheline aligned. And we assume that
// cacheline size is 64 bytes.
Head uint32
Tail uint32
// contains filtered or unexported fields
}
IOUring implements io_uring struct. See struct io_uring in io_uring/io_uring.c.
+marshal
type IOUringCqe ¶
IOUringCqe implements IO completion data structure (Completion Queue Entry) io_uring_cqe struct. As we don't currently support IORING_SETUP_CQE32 flag its size is 16 bytes. See struct io_uring_cqe in include/uapi/linux/io_uring.h.
+marshal
type IOUringParams ¶
type IOUringParams struct {
SqEntries uint32
CqEntries uint32
Flags uint32
SqThreadCPU uint32
SqThreadIdle uint32
Features uint32
WqFd uint32
Resv [3]uint32
SqOff IOSqRingOffsets
CqOff IOCqRingOffsets
}
IOUringParams implements io_uring_params struct. See struct io_uring_params in include/uapi/linux/io_uring.h.
+marshal
type IOUringSqe ¶
type IOUringSqe struct {
Opcode uint8
Flags uint8
IoPrio uint16
Fd int32
OffOrAddrOrCmdOp uint64
AddrOrSpliceOff uint64
Len uint32
UserData uint64
BufIndexOrGroup uint16
// contains filtered or unexported fields
}
IOUringSqe implements io_uring_sqe struct. This struct represents IO submission data structure (Submission Queue Entry). As we don't yet support IORING_SETUP_SQE128 flag, its size is 64 bytes with no extra padding at the end. See include/uapi/linux/io_uring.h.
+marshal
type IP6TEntry ¶
type IP6TEntry struct {
// IPv6 is used to filter packets based on the IPv6 header.
IPv6 IP6TIP
// NFCache relates to kernel-internal caching and isn't used by
// userspace.
NFCache uint32
// TargetOffset is the byte offset from the beginning of this IPTEntry
// to the start of the entry's target.
TargetOffset uint16
// NextOffset is the byte offset from the beginning of this IPTEntry to
// the start of the next entry. It is thus also the size of the entry.
NextOffset uint16
// Comeback is a return pointer. It is not used by userspace.
Comeback uint32
// Counters holds the packet and byte counts for this rule.
Counters XTCounters
// contains filtered or unexported fields
}
IP6TEntry is an iptables rule. It corresponds to struct ip6t_entry in include/uapi/linux/netfilter_ipv6/ip6_tables.h.
+marshal
type IP6TIP ¶
type IP6TIP struct {
// Src is the source IP address.
Src Inet6Addr
// Dst is the destination IP address.
Dst Inet6Addr
// SrcMask is the source IP mask.
SrcMask Inet6Addr
// DstMask is the destination IP mask.
DstMask Inet6Addr
// InputInterface is the input network interface.
InputInterface [IFNAMSIZ]byte
// OutputInterface is the output network interface.
OutputInterface [IFNAMSIZ]byte
// InputInterfaceMask is the input interface mask.
InputInterfaceMask [IFNAMSIZ]byte
// OuputInterfaceMask is the output interface mask.
OutputInterfaceMask [IFNAMSIZ]byte
// Protocol is the transport protocol.
Protocol uint16
// TOS matches TOS flags when Flags indicates filtering by TOS.
TOS uint8
// Flags define matching behavior for the IP header.
Flags uint8
// InverseFlags invert the meaning of fields in struct IPTIP. See the
// IP6T_INV_* flags.
InverseFlags uint8
// contains filtered or unexported fields
}
IP6TIP contains information for matching a packet's IP header. It corresponds to struct ip6t_ip6 in include/uapi/linux/netfilter_ipv6/ip6_tables.h.
+marshal
type IP6TReplace ¶
type IP6TReplace struct {
Name TableName
ValidHooks uint32
NumEntries uint32
Size uint32
HookEntry [NF_INET_NUMHOOKS]uint32
Underflow [NF_INET_NUMHOOKS]uint32
NumCounters uint32
Counters uint64 // This is really a *XTCounters.
}
IP6TReplace is the argument for the IP6T_SO_SET_REPLACE sockopt. It corresponds to struct ip6t_replace in include/uapi/linux/netfilter_ipv6/ip6_tables.h.
+marshal
type IPCPerm ¶
type IPCPerm struct {
Key uint32
UID uint32
GID uint32
CUID uint32
CGID uint32
Mode uint16
Seq uint16
// contains filtered or unexported fields
}
IPCPerm is equivalent to struct ipc64_perm.
+marshal
type IPTEntry ¶
type IPTEntry struct {
// IP is used to filter packets based on the IP header.
IP IPTIP
// NFCache relates to kernel-internal caching and isn't used by
// userspace.
NFCache uint32
// TargetOffset is the byte offset from the beginning of this IPTEntry
// to the start of the entry's target.
TargetOffset uint16
// NextOffset is the byte offset from the beginning of this IPTEntry to
// the start of the next entry. It is thus also the size of the entry.
NextOffset uint16
// Comeback is a return pointer. It is not used by userspace.
Comeback uint32
// Counters holds the packet and byte counts for this rule.
Counters XTCounters
}
IPTEntry is an iptable rule. It corresponds to struct ipt_entry in include/uapi/linux/netfilter_ipv4/ip_tables.h.
+marshal
type IPTGetEntries ¶
IPTGetEntries is the argument for the IPT_SO_GET_ENTRIES sockopt. It corresponds to struct ipt_get_entries in include/uapi/linux/netfilter_ipv4/ip_tables.h.
+marshal
type IPTGetinfo ¶
type IPTGetinfo struct {
Name TableName
ValidHooks uint32
HookEntry [NF_INET_NUMHOOKS]uint32
Underflow [NF_INET_NUMHOOKS]uint32
NumEntries uint32
Size uint32
}
IPTGetinfo is the argument for the IPT_SO_GET_INFO sockopt. It corresponds to struct ipt_getinfo in include/uapi/linux/netfilter_ipv4/ip_tables.h.
+marshal
type IPTIP ¶
type IPTIP struct {
// Src is the source IP address.
Src InetAddr
// Dst is the destination IP address.
Dst InetAddr
// SrcMask is the source IP mask.
SrcMask InetAddr
// DstMask is the destination IP mask.
DstMask InetAddr
// InputInterface is the input network interface.
InputInterface [IFNAMSIZ]byte
// OutputInterface is the output network interface.
OutputInterface [IFNAMSIZ]byte
// InputInterfaceMask is the input interface mask.
InputInterfaceMask [IFNAMSIZ]byte
// OuputInterfaceMask is the output interface mask.
OutputInterfaceMask [IFNAMSIZ]byte
// Protocol is the transport protocol.
Protocol uint16
// Flags define matching behavior for the IP header.
Flags uint8
// InverseFlags invert the meaning of fields in struct IPTIP. See the
// IPT_INV_* flags.
InverseFlags uint8
}
IPTIP contains information for matching a packet's IP header. It corresponds to struct ipt_ip in include/uapi/linux/netfilter_ipv4/ip_tables.h.
+marshal
type IPTOwnerInfo ¶
type IPTOwnerInfo struct {
// UID is user id which created the packet.
UID uint32
// GID is group id which created the packet.
GID uint32
// PID is process id of the process which created the packet.
PID uint32
// SID is session id which created the packet.
SID uint32
// Comm is the command name which created the packet.
Comm [16]byte
// Match is used to match UID/GID of the socket. See the
// XT_OWNER_* flags below.
Match uint8
// Invert flips the meaning of Match field.
Invert uint8 `marshal:"unaligned"`
}
IPTOwnerInfo holds data for matching packets with owner. It corresponds to struct ipt_owner_info in libxt_owner.c of iptables binary.
+marshal
type IPTReplace ¶
type IPTReplace struct {
Name TableName
ValidHooks uint32
NumEntries uint32
Size uint32
HookEntry [NF_INET_NUMHOOKS]uint32
Underflow [NF_INET_NUMHOOKS]uint32
NumCounters uint32
Counters uint64 // This is really a *XTCounters.
}
IPTReplace is the argument for the IPT_SO_SET_REPLACE sockopt. It corresponds to struct ipt_replace in include/uapi/linux/netfilter_ipv4/ip_tables.h.
+marshal
type Inet6Addr ¶
type Inet6Addr [16]byte
Inet6Addr is struct in6_addr, from uapi/linux/in6.h.
+marshal
type Inet6MulticastRequest ¶
Inet6MulticastRequest is struct ipv6_mreq, from uapi/linux/in6.h.
+marshal
type InetMulticastRequestWithNIC ¶
type InetMulticastRequestWithNIC struct {
InetMulticastRequest
InterfaceIndex int32
}
InetMulticastRequestWithNIC is struct ip_mreqn, from uapi/linux/in.h.
+marshal
type InterfaceAddrMessage ¶
type InterfaceAddrMessage struct {
Family uint8
PrefixLen uint8
Flags uint8
Scope uint8
Index uint32
}
InterfaceAddrMessage is struct ifaddrmsg, from uapi/linux/if_addr.h.
+marshal
type InterfaceInfoMessage ¶
type InterfaceInfoMessage struct {
Family uint8
Type uint16
Index int32
Flags uint32
Change uint32
// contains filtered or unexported fields
}
InterfaceInfoMessage is struct ifinfomsg, from uapi/linux/rtnetlink.h.
+marshal
type ItimerVal ¶
ItimerVal mimics the following struct in <sys/time.h>
struct itimerval {
struct timeval it_interval; /* next value */
struct timeval it_value; /* current value */
};
+marshal
type KernelIP6TEntry ¶
type KernelIP6TEntry struct {
Entry IP6TEntry
// Elems holds the data for all this rule's matches followed by the
// target. It is variable length -- users have to iterate over any
// matches and use TargetOffset and NextOffset to make sense of the
// data.
Elems primitive.ByteSlice
}
KernelIP6TEntry is identical to IP6TEntry, but includes the Elems field.
+marshal dynamic
func (*KernelIP6TEntry) MarshalBytes ¶
func (ke *KernelIP6TEntry) MarshalBytes(dst []byte) []byte
MarshalBytes implements marshal.Marshallable.MarshalBytes.
func (*KernelIP6TEntry) SizeBytes ¶
func (ke *KernelIP6TEntry) SizeBytes() int
SizeBytes implements marshal.Marshallable.SizeBytes.
func (*KernelIP6TEntry) UnmarshalBytes ¶
func (ke *KernelIP6TEntry) UnmarshalBytes(src []byte) []byte
UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
type KernelIP6TGetEntries ¶
type KernelIP6TGetEntries struct {
IPTGetEntries
Entrytable []KernelIP6TEntry
}
KernelIP6TGetEntries is identical to IP6TGetEntries, but includes the Entrytable field.
+marshal dynamic
func (*KernelIP6TGetEntries) MarshalBytes ¶
func (ke *KernelIP6TGetEntries) MarshalBytes(dst []byte) []byte
MarshalBytes implements marshal.Marshallable.MarshalBytes.
func (*KernelIP6TGetEntries) SizeBytes ¶
func (ke *KernelIP6TGetEntries) SizeBytes() int
SizeBytes implements marshal.Marshallable.SizeBytes.
func (*KernelIP6TGetEntries) UnmarshalBytes ¶
func (ke *KernelIP6TGetEntries) UnmarshalBytes(src []byte) []byte
UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
type KernelIPTEntry ¶
type KernelIPTEntry struct {
Entry IPTEntry
// Elems holds the data for all this rule's matches followed by the
// target. It is variable length -- users have to iterate over any
// matches and use TargetOffset and NextOffset to make sense of the
// data.
Elems primitive.ByteSlice
}
KernelIPTEntry is identical to IPTEntry, but includes the Elems field.
+marshal dynamic
func (*KernelIPTEntry) MarshalBytes ¶
func (ke *KernelIPTEntry) MarshalBytes(dst []byte) []byte
MarshalBytes implements marshal.Marshallable.MarshalBytes.
func (*KernelIPTEntry) SizeBytes ¶
func (ke *KernelIPTEntry) SizeBytes() int
SizeBytes implements marshal.Marshallable.SizeBytes.
func (*KernelIPTEntry) UnmarshalBytes ¶
func (ke *KernelIPTEntry) UnmarshalBytes(src []byte) []byte
UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
type KernelIPTGetEntries ¶
type KernelIPTGetEntries struct {
IPTGetEntries
Entrytable []KernelIPTEntry
}
KernelIPTGetEntries is identical to IPTGetEntries, but includes the Entrytable field.
+marshal dynamic
func (*KernelIPTGetEntries) MarshalBytes ¶
func (ke *KernelIPTGetEntries) MarshalBytes(dst []byte) []byte
MarshalBytes implements marshal.Marshallable.MarshalBytes.
func (*KernelIPTGetEntries) SizeBytes ¶
func (ke *KernelIPTGetEntries) SizeBytes() int
SizeBytes implements marshal.Marshallable.SizeBytes.
func (*KernelIPTGetEntries) UnmarshalBytes ¶
func (ke *KernelIPTGetEntries) UnmarshalBytes(src []byte) []byte
UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
type KernelTermios ¶
type KernelTermios struct {
InputFlags uint32
OutputFlags uint32
ControlFlags uint32
LocalFlags uint32
LineDiscipline uint8
ControlCharacters [NumControlCharacters]uint8
InputSpeed uint32
OutputSpeed uint32
}
KernelTermios is struct ktermios/struct termios2, defined in uapi/asm-generic/termbits.h.
+stateify savable
func (*KernelTermios) CEnabled ¶
func (t *KernelTermios) CEnabled(flag uint32) bool
CEnabled returns whether flag is enabled in termios control flags.
func (*KernelTermios) FromTermios ¶
func (t *KernelTermios) FromTermios(term Termios)
FromTermios copies fields that are shared with Termios into this KernelTermios struct.
func (*KernelTermios) IEnabled ¶
func (t *KernelTermios) IEnabled(flag uint32) bool
IEnabled returns whether flag is enabled in termios input flags.
func (*KernelTermios) IsEOF ¶
func (t *KernelTermios) IsEOF(c byte) bool
IsEOF returns whether c is the EOF character.
func (*KernelTermios) IsTerminating ¶
func (t *KernelTermios) IsTerminating(cBytes []byte) bool
IsTerminating returns whether c is a line terminating character.
func (*KernelTermios) LEnabled ¶
func (t *KernelTermios) LEnabled(flag uint32) bool
LEnabled returns whether flag is enabled in termios local flags.
func (*KernelTermios) OEnabled ¶
func (t *KernelTermios) OEnabled(flag uint32) bool
OEnabled returns whether flag is enabled in termios output flags.
func (*KernelTermios) ToTermios ¶
func (t *KernelTermios) ToTermios() Termios
ToTermios copies fields that are shared with Termios into a new Termios struct.
type KernelXTEntryMatch ¶
type KernelXTEntryMatch struct {
XTEntryMatch
Data []byte
}
KernelXTEntryMatch is identical to XTEntryMatch, but contains variable-length Data field.
type KernelXTEntryTarget ¶
type KernelXTEntryTarget struct {
XTEntryTarget
Data []byte
}
KernelXTEntryTarget is identical to XTEntryTarget, but contains a variable-length Data field.
type MqAttr ¶
type MqAttr struct {
MqFlags int64 // Message queue flags.
MqMaxmsg int64 // Maximum number of messages.
MqMsgsize int64 // Maximum message size.
MqCurmsgs int64 // Number of messages currently queued.
// contains filtered or unexported fields
}
MqAttr is equivelant to struct mq_attr. Source: include/uapi/linux/mqueue.h
+marshal
type MsgBuf ¶
MsgBuf is equivelant to struct msgbuf. Source: include/uapi/linux/msg.h
+marshal dynamic
func (*MsgBuf) MarshalBytes ¶
MarshalBytes implements marshal.Marshallable.MarshalBytes.
func (*MsgBuf) UnmarshalBytes ¶
UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
type MsgInfo ¶
type MsgInfo struct {
MsgPool int32
MsgMap int32
MsgMax int32
MsgMnb int32
MsgMni int32
MsgSsz int32
MsgTql int32
MsgSeg uint16 `marshal:"unaligned"`
}
MsgInfo is equivelant to struct msginfo. Source: include/uapi/linux/msg.h
+marshal
type MsqidDS ¶
type MsqidDS struct {
MsgPerm IPCPerm // IPC permissions.
MsgStime TimeT // Last msgsnd time.
MsgRtime TimeT // Last msgrcv time.
MsgCtime TimeT // Last change time.
MsgCbytes uint64 // Current number of bytes on the queue.
MsgQnum uint64 // Number of messages in the queue.
MsgQbytes uint64 // Max number of bytes in the queue.
MsgLspid int32 // PID of last msgsnd.
MsgLrpid int32 // PID of last msgrcv.
// contains filtered or unexported fields
}
MsqidDS is equivelant to struct msqid64_ds. Source: include/uapi/asm-generic/shmbuf.h
+marshal
type NFNATRange ¶
type NFNATRange struct {
Flags uint32
MinAddr Inet6Addr
MaxAddr Inet6Addr
MinProto uint16 // Network byte order.
MaxProto uint16 // Network byte order.
}
NFNATRange corresponds to struct nf_nat_range in include/uapi/linux/netfilter/nf_nat.h.
+marshal
type NetlinkAttrHeader ¶
NetlinkAttrHeader is the header of a netlink attribute, followed by payload.
This is struct nlattr, from uapi/linux/netlink.h.
+marshal
type NetlinkErrorMessage ¶
type NetlinkErrorMessage struct {
Error int32
Header NetlinkMessageHeader
}
NetlinkErrorMessage is struct nlmsgerr, from uapi/linux/netlink.h.
+marshal
type NetlinkMessageHeader ¶
type NetlinkMessageHeader struct {
Length uint32
Type uint16
Flags uint16
Seq uint32
PortID uint32
}
NetlinkMessageHeader is struct nlmsghdr, from uapi/linux/netlink.h.
+marshal
type NfNATIPV4MultiRangeCompat ¶
type NfNATIPV4MultiRangeCompat struct {
RangeSize uint32
RangeIPV4 NfNATIPV4Range
}
NfNATIPV4MultiRangeCompat corresponds to struct nf_nat_ipv4_multi_range_compat in include/uapi/linux/netfilter/nf_nat.h.
+marshal
type NfNATIPV4Range ¶
type NfNATIPV4Range struct {
Flags uint32
MinIP [4]byte
MaxIP [4]byte
MinPort uint16
MaxPort uint16
}
NfNATIPV4Range corresponds to struct nf_nat_ipv4_range in include/uapi/linux/netfilter/nf_nat.h. The fields are in network byte order.
+marshal
type NumaPolicy ¶
type NumaPolicy int32
NumaPolicy is the NUMA memory policy for a memory range. See numa(7).
+marshal
const ( MPOL_DEFAULT NumaPolicy = 0 MPOL_PREFERRED NumaPolicy = 1 MPOL_BIND NumaPolicy = 2 MPOL_INTERLEAVE NumaPolicy = 3 MPOL_LOCAL NumaPolicy = 4 MPOL_MAX NumaPolicy = 5 )
Policies for get_mempolicy(2)/set_mempolicy(2).
type PollFD ¶
PollFD is struct pollfd, used by poll(2)/ppoll(2), from uapi/asm-generic/poll.h.
+marshal slice:PollFDSlice
type PtraceRegs ¶
type PtraceRegs struct {
R15 uint64
R14 uint64
R13 uint64
R12 uint64
Rbp uint64
Rbx uint64
R11 uint64
R10 uint64
R9 uint64
R8 uint64
Rax uint64
Rcx uint64
Rdx uint64
Rsi uint64
Rdi uint64
Orig_rax uint64
Rip uint64
Cs uint64
Eflags uint64
Rsp uint64
Ss uint64
Fs_base uint64
Gs_base uint64
Ds uint64
Es uint64
Fs uint64
Gs uint64
}
PtraceRegs is the set of CPU registers exposed by ptrace. Source: syscall.PtraceRegs.
+marshal +stateify savable
func (*PtraceRegs) InstructionPointer ¶
func (p *PtraceRegs) InstructionPointer() uint64
InstructionPointer returns the address of the next instruction to be executed.
func (*PtraceRegs) SetStackPointer ¶
func (p *PtraceRegs) SetStackPointer(sp uint64)
SetStackPointer sets the stack pointer to the specified value.
func (*PtraceRegs) StackPointer ¶
func (p *PtraceRegs) StackPointer() uint64
StackPointer returns the address of the Stack pointer.
type RLimit ¶
type RLimit struct {
// Cur specifies the soft limit.
Cur uint64
// Max specifies the hard limit.
Max uint64
}
RLimit corresponds to Linux's struct rlimit.
type RSeq ¶
type RSeq struct {
// CPUIDStart contains the current CPU ID if rseq is initialized.
//
// This field should only be read by the thread which registered this
// structure, and must be read atomically.
CPUIDStart uint32
// CPUID contains the current CPU ID or one of the CPU ID special
// values defined above.
//
// This field should only be read by the thread which registered this
// structure, and must be read atomically.
CPUID uint32
// RSeqCriticalSection is a pointer to the current RSeqCriticalSection
// block, or NULL. It is reset to NULL by the kernel on restart or
// non-restarting preempt/signal.
//
// This field should only be written by the thread which registered
// this structure, and must be written atomically.
RSeqCriticalSection uint64
// Flags are the critical section flags that apply to all critical
// sections on this thread, defined above.
Flags uint32
}
RSeq is the thread-local restartable sequences config/status. It is equivalent to struct rseq, defined in include/uapi/linux/rseq.h.
In userspace, this structure is always aligned to 32 bytes.
type RSeqCriticalSection ¶
type RSeqCriticalSection struct {
// Version is the version of this structure. Version 0 is defined here.
Version uint32
// Flags are the critical section flags, defined above.
Flags uint32
// Start is the start address of the critical section.
Start uint64
// PostCommitOffset is the offset from Start of the first instruction
// outside of the critical section.
PostCommitOffset uint64
// Abort is the abort address. It must be outside the critical section,
// and the 4 bytes prior must match the abort signature.
Abort uint64
}
RSeqCriticalSection describes a restartable sequences critical section. It is equivalent to struct rseq_cs, defined in include/uapi/linux/rseq.h.
In userspace, this structure is always aligned to 32 bytes.
+marshal
type RouteMessage ¶
type RouteMessage struct {
Family uint8
DstLen uint8
SrcLen uint8
TOS uint8
Table uint8
Protocol uint8
Scope uint8
Type uint8
Flags uint32
}
RouteMessage is struct rtmsg, from uapi/linux/rtnetlink.h.
+marshal
type RtAttr ¶
RtAttr is the header of optional addition route information, as a netlink attribute. From include/uapi/linux/rtnetlink.h.
type Rusage ¶
type Rusage struct {
UTime Timeval
STime Timeval
MaxRSS int64
IXRSS int64
IDRSS int64
ISRSS int64
MinFlt int64
MajFlt int64
NSwap int64
InBlock int64
OuBlock int64
MsgSnd int64
MsgRcv int64
NSignals int64
NVCSw int64
NIvCSw int64
}
Rusage represents the Linux struct rusage.
+marshal
type SeccompData ¶
type SeccompData struct {
// Nr is the system call number.
Nr int32
// Arch is an AUDIT_ARCH_* value indicating the system call convention.
Arch uint32
// InstructionPointer is the value of the instruction pointer at the time
// of the system call.
InstructionPointer uint64
// Args contains the first 6 system call arguments.
Args [6]uint64
}
SeccompData is equivalent to struct seccomp_data, which contains the data passed to seccomp-bpf filters.
+marshal
type SemInfo ¶
type SemInfo struct {
SemMap uint32
SemMni uint32
SemMns uint32
SemMnu uint32
SemMsl uint32
SemOpm uint32
SemUme uint32
SemUsz uint32
SemVmx uint32
SemAem uint32
}
SemInfo is equivalent to struct seminfo.
Source: include/uapi/linux/sem.h
+marshal
type SemidDS ¶
type SemidDS struct {
SemPerm IPCPerm
SemOTime TimeT
SemCTime TimeT
SemNSems uint64
// contains filtered or unexported fields
}
SemidDS is equivalent to struct semid64_ds.
Source: arch/x86/include/uapi/asm/sembuf.h
+marshal
type ShmInfo ¶
type ShmInfo struct {
UsedIDs int32 // Number of currently existing segments.
ShmTot uint64 // Total number of shared memory pages.
ShmRss uint64 // Number of resident shared memory pages.
ShmSwp uint64 // Number of swapped shared memory pages.
SwapAttempts uint64 // Unused since Linux 2.4.
SwapSuccesses uint64 // Unused since Linux 2.4.
// contains filtered or unexported fields
}
ShmInfo is equivalent to struct shm_info. Source: include/uapi/linux/shm.h
+marshal
type ShmParams ¶
ShmParams is equivalent to struct shminfo. Source: include/uapi/linux/shm.h
+marshal
type ShmidDS ¶
type ShmidDS struct {
ShmPerm IPCPerm
ShmSegsz uint64
ShmAtime TimeT
ShmDtime TimeT
ShmCtime TimeT
ShmCpid int32
ShmLpid int32
ShmNattach uint64
Unused4 uint64
Unused5 uint64
}
ShmidDS is equivalent to struct shmid64_ds. Source: include/uapi/asm-generic/shmbuf.h
+marshal
type Sigevent ¶
type Sigevent struct {
Value uint64 // union sigval {int, void*}
Signo int32
Notify int32
// struct sigevent here contains 48-byte union _sigev_un. However, only
// member _tid is significant to the kernel.
Tid int32
UnRemainder [44]byte
}
Sigevent represents struct sigevent.
+marshal
type Signal ¶
type Signal int
Signal is a signal number.
func (Signal) Index ¶
Index returns the index for signal s into arrays of both standard and realtime signals (e.g. signal masks).
Preconditions: s.IsValid().
func (Signal) IsRealtime ¶
IsRealtime returns true if s is a realtime signal.
Preconditions: s.IsValid().
func (Signal) IsStandard ¶
IsStandard returns true if s is a standard signal.
Preconditions: s.IsValid().
type SignalInfo ¶
type SignalInfo struct {
Signo int32 // Signal number
Errno int32 // Errno value
Code int32 // Signal code
// struct siginfo::_sifields is a union. In SignalInfo, fields in the union
// are accessed through methods.
//
// For reference, here is the definition of _sifields: (_sigfault._trapno,
// which does not exist on x86, omitted for clarity)
//
// union {
// int _pad[SI_PAD_SIZE];
//
// /* kill() */
// struct {
// __kernel_pid_t _pid; /* sender's pid */
// __ARCH_SI_UID_T _uid; /* sender's uid */
// } _kill;
//
// /* POSIX.1b timers */
// struct {
// __kernel_timer_t _tid; /* timer id */
// int _overrun; /* overrun count */
// char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)];
// sigval_t _sigval; /* same as below */
// int _sys_private; /* not to be passed to user */
// } _timer;
//
// /* POSIX.1b signals */
// struct {
// __kernel_pid_t _pid; /* sender's pid */
// __ARCH_SI_UID_T _uid; /* sender's uid */
// sigval_t _sigval;
// } _rt;
//
// /* SIGCHLD */
// struct {
// __kernel_pid_t _pid; /* which child */
// __ARCH_SI_UID_T _uid; /* sender's uid */
// int _status; /* exit code */
// __ARCH_SI_CLOCK_T _utime;
// __ARCH_SI_CLOCK_T _stime;
// } _sigchld;
//
// /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
// struct {
// void *_addr; /* faulting insn/memory ref. */
// short _addr_lsb; /* LSB of the reported address */
// } _sigfault;
//
// /* SIGPOLL */
// struct {
// __ARCH_SI_BAND_T _band; /* POLL_IN, POLL_OUT, POLL_MSG */
// int _fd;
// } _sigpoll;
//
// /* SIGSYS */
// struct {
// void *_call_addr; /* calling user insn */
// int _syscall; /* triggering system call number */
// unsigned int _arch; /* AUDIT_ARCH_* of syscall */
// } _sigsys;
// } _sifields;
//
// _sifields is padded so that the size of siginfo is SI_MAX_SIZE = 128
// bytes.
Fields [128 - 16]byte
// contains filtered or unexported fields
}
SignalInfo represents information about a signal being delivered, and is equivalent to struct siginfo in linux kernel(linux/include/uapi/asm-generic/siginfo.h).
+marshal +stateify savable
func (*SignalInfo) CallAddr ¶
func (s *SignalInfo) CallAddr() uint64
CallAddr returns the si_call_addr field.
func (*SignalInfo) FixSignalCodeForUser ¶
func (s *SignalInfo) FixSignalCodeForUser()
FixSignalCodeForUser fixes up si_code.
The si_code we get from Linux may contain the kernel-specific code in the top 16 bits if it's positive (e.g., from ptrace). Linux's copy_siginfo_to_user does: err |= __put_user((short)from->si_code, &to->si_code); to mask out those bits and we need to do the same.
func (*SignalInfo) Overrun ¶
func (s *SignalInfo) Overrun() int32
Overrun returns the si_overrun field.
func (*SignalInfo) SetAddr ¶
func (s *SignalInfo) SetAddr(val uint64)
SetAddr sets the si_addr field.
func (*SignalInfo) SetArch ¶
func (s *SignalInfo) SetArch(val uint32)
SetArch mutates the si_arch field.
func (*SignalInfo) SetBand ¶
func (s *SignalInfo) SetBand(val int64)
SetBand mutates the si_band field.
func (*SignalInfo) SetCallAddr ¶
func (s *SignalInfo) SetCallAddr(val uint64)
SetCallAddr mutates the si_call_addr field.
func (*SignalInfo) SetOverrun ¶
func (s *SignalInfo) SetOverrun(val int32)
SetOverrun sets the si_overrun field.
func (*SignalInfo) SetSigval ¶
func (s *SignalInfo) SetSigval(val uint64)
SetSigval mutates the sigval field.
func (*SignalInfo) SetStatus ¶
func (s *SignalInfo) SetStatus(val int32)
SetStatus mutates the si_status field.
func (*SignalInfo) SetSyscall ¶
func (s *SignalInfo) SetSyscall(val int32)
SetSyscall mutates the si_syscall field.
func (*SignalInfo) SetTimerID ¶
func (s *SignalInfo) SetTimerID(val TimerID)
SetTimerID sets the si_timerid field.
func (*SignalInfo) Sigval ¶
func (s *SignalInfo) Sigval() uint64
Sigval returns the sigval field, which is aliased to both si_int and si_ptr.
func (*SignalInfo) Syscall ¶
func (s *SignalInfo) Syscall() int32
Syscall returns the si_syscall field.
func (*SignalInfo) TimerID ¶
func (s *SignalInfo) TimerID() TimerID
TimerID returns the si_timerid field.
type SignalSet ¶
type SignalSet uint64
SignalSet is a signal mask with a bit corresponding to each signal.
+marshal
func MakeSignalSet ¶
MakeSignalSet returns SignalSet with the bit corresponding to each of the given signals set.
func SignalSetOf ¶
SignalSetOf returns a SignalSet with a single signal set.
type SignalStack ¶
type SignalStack struct {
Addr uint64
Flags uint32
Size uint64
// contains filtered or unexported fields
}
SignalStack represents information about a user stack, and is equivalent to stack_t.
+marshal +stateify savable
func (*SignalStack) Contains ¶
func (s *SignalStack) Contains(sp hostarch.Addr) bool
Contains checks if the stack pointer is within this stack.
func (*SignalStack) IsEnabled ¶
func (s *SignalStack) IsEnabled() bool
IsEnabled returns true iff this signal stack is marked as enabled.
func (*SignalStack) Top ¶
func (s *SignalStack) Top() hostarch.Addr
Top returns the stack's top address.
type SignalfdSiginfo ¶
type SignalfdSiginfo struct {
Signo uint32
Errno int32
Code int32
PID uint32
UID uint32
FD int32
TID uint32
Band uint32
Overrun uint32
TrapNo uint32
Status int32
Int int32
Ptr uint64
UTime uint64
STime uint64
Addr uint64
AddrLSB uint16
// contains filtered or unexported fields
}
SignalfdSiginfo is the siginfo encoding for signalfds.
+marshal
type SockAddr ¶
type SockAddr interface {
marshal.Marshallable
// contains filtered or unexported methods
}
SockAddr represents a union of valid socket address types. This is logically equivalent to struct sockaddr. SockAddr ensures that a well-defined set of types can be used as socket addresses.
type SockAddrInet ¶
type SockAddrInet struct {
Family uint16
Port uint16
Addr InetAddr
// contains filtered or unexported fields
}
SockAddrInet is struct sockaddr_in, from uapi/linux/in.h.
+marshal
type SockAddrInet6 ¶
type SockAddrInet6 struct {
Family uint16
Port uint16
Flowinfo uint32
Addr [16]byte
Scope_id uint32
}
SockAddrInet6 is struct sockaddr_in6, from uapi/linux/in6.h.
+marshal
type SockAddrLink ¶
type SockAddrLink struct {
Family uint16
Protocol uint16
InterfaceIndex int32
ARPHardwareType uint16
PacketType byte
HardwareAddrLen byte
HardwareAddr [8]byte
}
SockAddrLink is a struct sockaddr_ll, from uapi/linux/if_packet.h.
+marshal
type SockAddrNetlink ¶
type SockAddrNetlink struct {
Family uint16
PortID uint32
Groups uint32
// contains filtered or unexported fields
}
SockAddrNetlink is struct sockaddr_nl, from uapi/linux/netlink.h.
+marshal
type SockAddrUnix ¶
type SockAddrUnix struct {
Family uint16
Path [UnixPathMax]int8
}
SockAddrUnix is struct sockaddr_un, from uapi/linux/un.h.
+marshal
type SockErrCMsg ¶
type SockErrCMsg interface {
marshal.Marshallable
CMsgLevel() uint32
CMsgType() uint32
}
SockErrCMsg represents the IP*_RECVERR control message.
type SockErrCMsgIPv4 ¶
type SockErrCMsgIPv4 struct {
SockExtendedErr
Offender SockAddrInet
}
SockErrCMsgIPv4 is the IP_RECVERR control message used in recvmsg(MSG_ERRQUEUE) by ipv4 sockets. This is equilavent to `struct errhdr` defined in net/ipv4/ip_sockglue.c:ip_recv_error().
+marshal
func (*SockErrCMsgIPv4) CMsgLevel ¶
func (*SockErrCMsgIPv4) CMsgLevel() uint32
CMsgLevel implements SockErrCMsg.CMsgLevel.
func (*SockErrCMsgIPv4) CMsgType ¶
func (*SockErrCMsgIPv4) CMsgType() uint32
CMsgType implements SockErrCMsg.CMsgType.
type SockErrCMsgIPv6 ¶
type SockErrCMsgIPv6 struct {
SockExtendedErr
Offender SockAddrInet6
}
SockErrCMsgIPv6 is the IPV6_RECVERR control message used in recvmsg(MSG_ERRQUEUE) by ipv6 sockets. This is equilavent to `struct errhdr` defined in net/ipv6/datagram.c:ipv6_recv_error().
+marshal
func (*SockErrCMsgIPv6) CMsgLevel ¶
func (*SockErrCMsgIPv6) CMsgLevel() uint32
CMsgLevel implements SockErrCMsg.CMsgLevel.
func (*SockErrCMsgIPv6) CMsgType ¶
func (*SockErrCMsgIPv6) CMsgType() uint32
CMsgType implements SockErrCMsg.CMsgType.
type SockExtendedErr ¶
type SockExtendedErr struct {
Errno uint32
Origin uint8
Type uint8
Code uint8
Pad uint8
Info uint32
Data uint32
}
SockExtendedErr represents struct sock_extended_err in Linux defined in include/uapi/linux/errqueue.h.
+marshal
type SockFprog ¶
type SockFprog struct {
Len uint16
Filter *BPFInstruction
// contains filtered or unexported fields
}
SockFprog is sock_fprog taken from <linux/filter.h>.
type SockType ¶
type SockType int
A SockType is a type (as opposed to family) of sockets. These are enumerated below as SOCK_* constants.
type Stat ¶
type Stat struct {
Dev uint64
Ino uint64
Nlink uint64
Mode uint32
UID uint32
GID uint32
Rdev uint64
Size int64
Blksize int64
Blocks int64
ATime Timespec
MTime Timespec
CTime Timespec
// contains filtered or unexported fields
}
Stat represents struct stat.
+marshal
type Statfs ¶
type Statfs struct {
// Type is one of the filesystem magic values, defined above.
Type uint64
// BlockSize is the optimal transfer block size in bytes.
BlockSize int64
// Blocks is the maximum number of data blocks the filesystem may store, in
// units of BlockSize.
Blocks uint64
// BlocksFree is the number of free data blocks, in units of BlockSize.
BlocksFree uint64
// BlocksAvailable is the number of data blocks free for use by
// unprivileged users, in units of BlockSize.
BlocksAvailable uint64
// Files is the number of used file nodes on the filesystem.
Files uint64
// FileFress is the number of free file nodes on the filesystem.
FilesFree uint64
// FSID is the filesystem ID.
FSID [2]int32
// NameLength is the maximum file name length.
NameLength uint64
// FragmentSize is equivalent to BlockSize.
FragmentSize int64
// Flags is the set of filesystem mount flags.
Flags uint64
// Spare is unused.
Spare [4]uint64
}
Statfs is struct statfs, from uapi/asm-generic/statfs.h.
+marshal
type Statx ¶
type Statx struct {
Mask uint32
Blksize uint32
Attributes uint64
Nlink uint32
UID uint32
GID uint32
Mode uint16
Ino uint64
Size uint64
Blocks uint64
AttributesMask uint64
Atime StatxTimestamp
Btime StatxTimestamp
Ctime StatxTimestamp
Mtime StatxTimestamp
RdevMajor uint32
RdevMinor uint32
DevMajor uint32
DevMinor uint32
// contains filtered or unexported fields
}
Statx represents struct statx.
+marshal boundCheck slice:StatxSlice
type StatxTimestamp ¶
StatxTimestamp represents struct statx_timestamp.
+marshal
func NsecToStatxTimestamp ¶
func NsecToStatxTimestamp(nsec int64) (ts StatxTimestamp)
NsecToStatxTimestamp translates nanoseconds to StatxTimestamp.
func (StatxTimestamp) ToNsec ¶
func (sxts StatxTimestamp) ToNsec() int64
ToNsec returns the nanosecond representation.
func (StatxTimestamp) ToNsecCapped ¶
func (sxts StatxTimestamp) ToNsecCapped() int64
ToNsecCapped returns the safe nanosecond representation.
type Sysinfo ¶
type Sysinfo struct {
Uptime int64
Loads [3]uint64
TotalRAM uint64
FreeRAM uint64
BufferRAM uint64
TotalSwap uint64
FreeSwap uint64
Procs uint16
TotalHigh uint64
FreeHigh uint64
Unit uint32 `marshal:"unaligned"` // Struct ends mid-64-bit-word.
// contains filtered or unexported fields
}
Sysinfo is the structure provided by sysinfo on linux versions > 2.3.48.
+marshal
type TCPInfo ¶
type TCPInfo struct {
// State is the state of the connection.
State uint8
// CaState is the congestion control state.
CaState uint8
// Retransmits is the number of retransmissions triggered by RTO.
Retransmits uint8
// Probes is the number of unanswered zero window probes.
Probes uint8
// BackOff indicates exponential backoff.
Backoff uint8
// Options indicates the options enabled for the connection.
Options uint8
// WindowScale is the combination of snd_wscale (first 4 bits) and
// rcv_wscale (second 4 bits)
WindowScale uint8
// DeliveryRateAppLimited is a boolean and only the first bit is
// meaningful.
DeliveryRateAppLimited uint8
// RTO is the retransmission timeout.
RTO uint32
// ATO is the acknowledgement timeout interval.
ATO uint32
// SndMss is the send maximum segment size.
SndMss uint32
// RcvMss is the receive maximum segment size.
RcvMss uint32
// Unacked is the number of packets sent but not acknowledged.
Unacked uint32
// Sacked is the number of packets which are selectively acknowledged.
Sacked uint32
// Lost is the number of packets marked as lost.
Lost uint32
// Retrans is the number of retransmitted packets.
Retrans uint32
// Fackets is not used and is always zero.
Fackets uint32
// Times.
LastDataSent uint32
LastAckSent uint32
LastDataRecv uint32
LastAckRecv uint32
// Metrics.
PMTU uint32
RcvSsthresh uint32
RTT uint32
RTTVar uint32
SndSsthresh uint32
SndCwnd uint32
Advmss uint32
Reordering uint32
// RcvRTT is the receiver round trip time.
RcvRTT uint32
// RcvSpace is the current buffer space available for receiving data.
RcvSpace uint32
// TotalRetrans is the total number of retransmits seen since the start
// of the connection.
TotalRetrans uint32
// PacingRate is the pacing rate in bytes per second.
PacingRate uint64
// MaxPacingRate is the maximum pacing rate.
MaxPacingRate uint64
// BytesAcked is RFC4898 tcpEStatsAppHCThruOctetsAcked.
BytesAcked uint64
// BytesReceived is RFC4898 tcpEStatsAppHCThruOctetsReceived.
BytesReceived uint64
// SegsOut is RFC4898 tcpEStatsPerfSegsOut.
SegsOut uint32
// SegsIn is RFC4898 tcpEStatsPerfSegsIn.
SegsIn uint32
// NotSentBytes is the amount of bytes in the write queue that are not
// yet sent.
NotSentBytes uint32
// MinRTT is the minimum round trip time seen in the connection.
MinRTT uint32
// DataSegsIn is RFC4898 tcpEStatsDataSegsIn.
DataSegsIn uint32
// DataSegsOut is RFC4898 tcpEStatsDataSegsOut.
DataSegsOut uint32
// DeliveryRate is the most recent delivery rate in bytes per second.
DeliveryRate uint64
// BusyTime is the time in microseconds busy sending data.
BusyTime uint64
// RwndLimited is the time in microseconds limited by receive window.
RwndLimited uint64
// SndBufLimited is the time in microseconds limited by send buffer.
SndBufLimited uint64
// Delivered is the total data packets delivered including retransmits.
Delivered uint32
// DeliveredCE is the total ECE marked data packets delivered including
// retransmits.
DeliveredCE uint32
// BytesSent is RFC4898 tcpEStatsPerfHCDataOctetsOut.
BytesSent uint64
// BytesRetrans is RFC4898 tcpEStatsPerfOctetsRetrans.
BytesRetrans uint64
// DSACKDups is RFC4898 tcpEStatsStackDSACKDups.
DSACKDups uint32
// ReordSeen is the number of reordering events seen since the start of
// the connection.
ReordSeen uint32
}
TCPInfo is a collection of TCP statistics.
From uapi/linux/tcp.h. Newer versions of Linux continue to add new fields to the end of this struct or within existing unusued space, so its size grows over time. The current iteration is based on linux v4.17. New versions are always backwards compatible.
+marshal
type TableName ¶
type TableName [XT_TABLE_MAXNAMELEN]byte
TableName holds the name of a netfilter table.
+marshal
type Termios ¶
type Termios struct {
InputFlags uint32
OutputFlags uint32
ControlFlags uint32
LocalFlags uint32
LineDiscipline uint8
ControlCharacters [NumControlCharacters]uint8
}
Termios is struct termios, defined in uapi/asm-generic/termbits.h.
+marshal
type TimeT ¶
type TimeT int64
TimeT represents time_t in <time.h>. It represents time in seconds.
+marshal
func NsecToTimeT ¶
NsecToTimeT translates nanoseconds to TimeT (seconds).
type TimerID ¶
type TimerID int32
TimerID represents type timer_t, which identifies a POSIX per-process interval timer.
+marshal
type Timespec ¶
Timespec represents struct timespec in <time.h>.
+marshal slice:TimespecSlice
func DurationToTimespec ¶
DurationToTimespec translates time.Duration to Timespec.
func NsecToTimespec ¶
NsecToTimespec translates nanoseconds to Timespec.
func (Timespec) ToDuration ¶
ToDuration returns the safe nanosecond representation as time.Duration.
func (Timespec) ToNsecCapped ¶
ToNsecCapped returns the safe nanosecond representation.
type Timeval ¶
Timeval represents struct timeval in <time.h>.
+marshal slice:TimevalSlice
func DurationToTimeval ¶
DurationToTimeval translates time.Duration to Timeval.
func NsecToTimeval ¶
NsecToTimeval translates nanosecond to Timeval.
func (Timeval) ToDuration ¶
ToDuration returns the safe nanosecond representation as a time.Duration.
func (Timeval) ToNsecCapped ¶
ToNsecCapped returns the safe nanosecond representation.
type UtsName ¶
type UtsName struct {
Sysname [UTSLen + 1]byte
Nodename [UTSLen + 1]byte
Release [UTSLen + 1]byte
Version [UTSLen + 1]byte
Machine [UTSLen + 1]byte
Domainname [UTSLen + 1]byte
}
UtsName represents struct utsname, the struct returned by uname(2).
+marshal
type WaitStatus ¶
type WaitStatus uint32
WaitStatus represents a thread status, as returned by the wait* family of syscalls.
func WaitStatusContinued ¶
func WaitStatusContinued() WaitStatus
WaitStatusContinued returns a WaitStatus representing continuation by SIGCONT.
func WaitStatusExit ¶
func WaitStatusExit(status int32) WaitStatus
WaitStatusExit returns a WaitStatus representing the given exit status.
func WaitStatusStopped ¶
func WaitStatusStopped(code uint32) WaitStatus
WaitStatusStopped returns a WaitStatus representing stoppage by the given signal or ptrace trap code.
func WaitStatusTerminationSignal ¶
func WaitStatusTerminationSignal(sig Signal) WaitStatus
WaitStatusTerminationSignal returns a WaitStatus representing termination by the given signal.
func (WaitStatus) Continued ¶
func (ws WaitStatus) Continued() bool
Continued returns true if ws represents a continuation by SIGCONT, consistent with WIFCONTINUED.
func (WaitStatus) CoreDumped ¶
func (ws WaitStatus) CoreDumped() bool
CoreDumped returns true if ws indicates that a core dump was produced, consistent with WCOREDUMP.
Preconditions: ws.Signaled().
func (WaitStatus) ExitStatus ¶
func (ws WaitStatus) ExitStatus() uint32
ExitStatus returns the lower 8 bits of the exit status represented by ws, consistent with WEXITSTATUS.
Preconditions: ws.Exited().
func (WaitStatus) Exited ¶
func (ws WaitStatus) Exited() bool
Exited returns true if ws represents an exit status, consistent with WIFEXITED.
func (WaitStatus) PtraceEvent ¶
func (ws WaitStatus) PtraceEvent() uint32
PtraceEvent returns the PTRACE_EVENT_* field in ws.
Preconditions: ws.Stopped().
func (WaitStatus) Signaled ¶
func (ws WaitStatus) Signaled() bool
Signaled returns true if ws represents a termination by signal, consistent with WIFSIGNALED.
func (WaitStatus) StopSignal ¶
func (ws WaitStatus) StopSignal() Signal
StopSignal returns the stop signal represented by ws, consistent with WSTOPSIG.
Preconditions: ws.Stopped().
func (WaitStatus) Stopped ¶
func (ws WaitStatus) Stopped() bool
Stopped returns true if ws represents a stoppage, consistent with WIFSTOPPED.
func (WaitStatus) String ¶
func (ws WaitStatus) String() string
String implements fmt.Stringer.String.
func (WaitStatus) TerminationSignal ¶
func (ws WaitStatus) TerminationSignal() Signal
TerminationSignal returns the termination signal represented by ws, consistent with WTERMSIG.
Preconditions: ws.Signaled().
func (WaitStatus) WithCoreDump ¶
func (ws WaitStatus) WithCoreDump() WaitStatus
WithCoreDump returns a copy of ws that indicates that a core dump was generated.
Preconditions: ws.Signaled().
type WindowSize ¶
WindowSize corresponds to struct winsize defined in include/uapi/asm-generic/termios.h.
+stateify savable +marshal
type XTCounters ¶
type XTCounters struct {
// Pcnt is the packet count.
Pcnt uint64
// Bcnt is the byte count.
Bcnt uint64
}
XTCounters holds packet and byte counts for a rule. It corresponds to struct xt_counters in include/uapi/linux/netfilter/x_tables.h.
+marshal
type XTEntryMatch ¶
type XTEntryMatch struct {
MatchSize uint16
Name ExtensionName
Revision uint8
}
XTEntryMatch holds a match for a rule. For example, a user using the addrtype iptables match extension would put the data for that match into an XTEntryMatch. iptables-extensions(8) has a list of possible matches.
XTEntryMatch corresponds to struct xt_entry_match in include/uapi/linux/netfilter/x_tables.h. That struct contains a union exposing different data to the user and kernel, but this struct holds only the user data.
+marshal
type XTEntryTarget ¶
type XTEntryTarget struct {
TargetSize uint16
Name ExtensionName
Revision uint8
}
XTEntryTarget holds a target for a rule. For example, it can specify that packets matching the rule should DROP, ACCEPT, or use an extension target. iptables-extension(8) has a list of possible targets.
XTEntryTarget corresponds to struct xt_entry_target in include/uapi/linux/netfilter/x_tables.h. That struct contains a union exposing different data to the user and kernel, but this struct holds only the user data.
+marshal
type XTErrorTarget ¶
type XTErrorTarget struct {
Target XTEntryTarget
Name ErrorName
// contains filtered or unexported fields
}
XTErrorTarget triggers an error when reached. It is also used to mark the beginning of user-defined chains by putting the name of the chain in ErrorName. It corresponds to struct xt_error_target in include/uapi/linux/netfilter/x_tables.h.
+marshal
type XTGetRevision ¶
type XTGetRevision struct {
Name ExtensionName
Revision uint8
}
XTGetRevision corresponds to xt_get_revision in include/uapi/linux/netfilter/x_tables.h
+marshal
type XTRedirectTarget ¶
type XTRedirectTarget struct {
Target XTEntryTarget
NfRange NfNATIPV4MultiRangeCompat
// contains filtered or unexported fields
}
XTRedirectTarget triggers a redirect when reached. Adding 4 bytes of padding to make the struct 8 byte aligned.
+marshal
type XTSNATTarget ¶
type XTSNATTarget struct {
Target XTEntryTarget
NfRange NfNATIPV4MultiRangeCompat
// contains filtered or unexported fields
}
XTSNATTarget triggers Source NAT when reached. Adding 4 bytes of padding to make the struct 8 byte aligned.
+marshal
type XTStandardTarget ¶
type XTStandardTarget struct {
Target XTEntryTarget
// A positive verdict indicates a jump, and is the offset from the
// start of the table to jump to. A negative value means one of the
// other built-in targets.
Verdict int32
// contains filtered or unexported fields
}
XTStandardTarget is a built-in target, one of ACCEPT, DROP, JUMP, QUEUE, RETURN, or jump. It corresponds to struct xt_standard_target in include/uapi/linux/netfilter/x_tables.h.
+marshal
type XTTCP ¶
type XTTCP struct {
// SourcePortStart specifies the inclusive start of the range of source
// ports to which the matcher applies.
SourcePortStart uint16
// SourcePortEnd specifies the inclusive end of the range of source ports
// to which the matcher applies.
SourcePortEnd uint16
// DestinationPortStart specifies the start of the destination port
// range to which the matcher applies.
DestinationPortStart uint16
// DestinationPortEnd specifies the end of the destination port
// range to which the matcher applies.
DestinationPortEnd uint16
// Option specifies that a particular TCP option must be set.
Option uint8
// FlagMask masks TCP flags when comparing to the FlagCompare byte. It allows
// for specification of which flags are important to the matcher.
FlagMask uint8
// FlagCompare, in combination with FlagMask, is used to match only packets
// that have certain flags set.
FlagCompare uint8
// InverseFlags flips the meaning of certain fields. See the
// TX_TCP_INV_* flags.
InverseFlags uint8
}
XTTCP holds data for matching TCP packets. It corresponds to struct xt_tcp in include/uapi/linux/netfilter/xt_tcpudp.h.
+marshal
type XTUDP ¶
type XTUDP struct {
// SourcePortStart is the inclusive start of the range of source ports
// to which the matcher applies.
SourcePortStart uint16
// SourcePortEnd is the inclusive end of the range of source ports to
// which the matcher applies.
SourcePortEnd uint16
// DestinationPortStart is the inclusive start of the destination port
// range to which the matcher applies.
DestinationPortStart uint16
// DestinationPortEnd is the inclusive end of the destination port
// range to which the matcher applies.
DestinationPortEnd uint16
// InverseFlags flips the meaning of certain fields. See the
// TX_UDP_INV_* flags.
InverseFlags uint8
// contains filtered or unexported fields
}
XTUDP holds data for matching UDP packets. It corresponds to struct xt_udp in include/uapi/linux/netfilter/xt_tcpudp.h.
+marshal
Source Files
¶
- aio.go
- arch_amd64.go
- audit.go
- bpf.go
- capability.go
- clone.go
- context.go
- dev.go
- elf.go
- epoll.go
- epoll_amd64.go
- errqueue.go
- eventfd.go
- exec.go
- fadvise.go
- fcntl.go
- file.go
- file_amd64.go
- fs.go
- fuse.go
- futex.go
- inotify.go
- ioctl.go
- ioctl_tun.go
- iouring.go
- ip.go
- ipc.go
- limits.go
- linux.go
- membarrier.go
- mm.go
- mqueue.go
- msgqueue.go
- netdevice.go
- netfilter.go
- netfilter_ipv6.go
- netlink.go
- netlink_route.go
- poll.go
- prctl.go
- ptrace.go
- ptrace_amd64.go
- rseq.go
- rusage.go
- sched.go
- seccomp.go
- sem.go
- sem_amd64.go
- shm.go
- signal.go
- signalfd.go
- socket.go
- splice.go
- tcp.go
- time.go
- timer.go
- tty.go
- uio.go
- utsname.go
- wait.go
- xattr.go
Directories