linux

package
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 Go to latest Published: May 3, 2018 License: Apache-2.0 Imports: 8 Imported by: 0

Documentation

Overview

Package linux contains the constants and types needed to inferface with a Linux kernel.

Index

Constants

View Source 
const (
	AshmemNotPurged  = 0
	AshmemWasPurged  = 1
	AshmemIsUnpinned = 0
	AshmemIsPinned   = 1
)

Constants used by ashmem in pin-related ioctls.

View Source 
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_BROAD_CAST   = 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)

	// MaxCapability is the highest-numbered capability.
	MaxCapability = Capability(36) // CAP_BLOCK_SUSPEND as of 3.11
)

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.

View Source 
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.

View Source 
const (
	// TTYAUX_MAJOR is the major device number for alternate TTY devices.
	TTYAUX_MAJOR = 5

	// UNIX98_PTY_MASTER_MAJOR is the initial major device number for
	// Unix98 PTY masters.
	UNIX98_PTY_MASTER_MAJOR = 128

	// UNIX98_PTY_SLAVE_MAJOR is the initial major device number for
	// Unix98 PTY slaves.
	UNIX98_PTY_SLAVE_MAJOR = 136
)

Character device IDs.

See Documentations/devices.txt and uapi/linux/major.h.

View Source 
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.

View Source 
const (
	O_NONBLOCK = 00004000
	O_CLOEXEC  = 02000000
	O_PATH     = 010000000
)

Constants for open(2).

View Source 
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).

View Source 
const (
	MNT_FORCE       = 0x1
	MNT_DETACH      = 0x2
	MNT_EXPIRE      = 0x4
	UMOUNT_NOFOLLOW = 0x8
)

Constants for umount2(2).

View Source 
const (
	AT_SYMLINK_FOLLOW = 0x400
	AT_EMPTY_PATH     = 0x1000
)

Constants for linkat(2) and fchownat(2).

View Source 
const (
	UTIME_NOW  = ((1 << 30) - 1)
	UTIME_OMIT = ((1 << 30) - 2)
)

Special values for the ns field in utimensat(2).

View Source 
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).

View Source 
const (
	FileTypeMask        = 0170000
	ModeSocket          = 0140000
	ModeSymlink         = 0120000
	ModeRegular         = 0100000
	ModeBlockDevice     = 060000
	ModeDirectory       = 040000
	ModeCharacterDevice = 020000
	ModeNamedPipe       = 010000

	ModeSetUID = 04000
	ModeSetGID = 02000
	ModeSticky = 01000

	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.

View Source 
const (
	ANON_INODE_FS_MAGIC   = 0x09041934
	DEVPTS_SUPER_MAGIC    = 0x00001cd1
	OVERLAYFS_SUPER_MAGIC = 0x794c7630
	PIPEFS_MAGIC          = 0x50495045
	RAMFS_MAGIC           = 0x09041934
	SOCKFS_MAGIC          = 0x534F434B
	TMPFS_MAGIC           = 0x01021994
	V9FS_MAGIC            = 0x01021997
)

Filesystem types used in statfs(2).

See linux/magic.h.

View Source 
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).

View Source 
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.

View Source 
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.

View Source 
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.

View Source 
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).

View Source 
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).

View Source 
const (
	TCGETS     = 0x00005401
	TCSETS     = 0x00005402
	TCSETSW    = 0x00005403
	TIOCINQ    = 0x0000541b
	TIOCOUTQ   = 0x00005411
	FIONREAD   = TIOCINQ
	FIONBIO    = 0x00005421
	TIOCGPTN   = 0x80045430
	TIOCSPTLCK = 0x40045431
	FIONCLEX   = 0x00005450
	FIOCLEX    = 0x00005451
)

ioctl(2) requests provided by asm-generic/ioctls.h

These are ordered by request number (low byte).

View Source 
const (
	BinderWriteReadIoctl       = 0xc0306201
	BinderSetIdleTimeoutIoctl  = 0x40086203
	BinderSetMaxThreadsIoctl   = 0x40046205
	BinderSetIdlePriorityIoctl = 0x40046206
	BinderSetContextMgrIoctl   = 0x40046207
	BinderThreadExitIoctl      = 0x40046208
	BinderVersionIoctl         = 0xc0046209
)

ioctl(2) requests provided by uapi/linux/android/binder.h

View Source 
const (
	AshmemSetNameIoctl        = 0x41007701
	AshmemGetNameIoctl        = 0x81007702
	AshmemSetSizeIoctl        = 0x40087703
	AshmemGetSizeIoctl        = 0x00007704
	AshmemSetProtMaskIoctl    = 0x40087705
	AshmemGetProtMaskIoctl    = 0x00007706
	AshmemPinIoctl            = 0x40087707
	AshmemUnpinIoctl          = 0x40087708
	AshmemGetPinStatusIoctl   = 0x00007709
	AshmemPurgeAllCachesIoctl = 0x0000770a
)

ioctl(2) requests provided by drivers/staging/android/uapi/ashmem.h

View Source 
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

View Source 
const (
	IPC_RMID = 0
	IPC_SET  = 1
	IPC_STAT = 2
	IPC_INFO = 3
)

Control commands used with semctl. Source: //include/uapi/linux/ipc.h.

View Source 
const (
	IPC_CREAT  = 00001000
	IPC_EXCL   = 00002000
	IPC_NOWAIT = 00004000
)

resource get request flags. Source: //include/uapi/linux/ipc.h

View Source 
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).

View Source 
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 * 1094

	// DefaultMsgqueueLimit is called MQ_BYTES_MAX in Linux.
	DefaultMsgqueueLimit = 819200
)
View Source 
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).

View Source 
const (
	MAP_SHARED     = 1 << 0
	MAP_PRIVATE    = 1 << 1
	MAP_FIXED      = 1 << 4
	MAP_ANONYMOUS  = 1 << 5
	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).

View Source 
const (
	MREMAP_MAYMOVE = 1 << 0
	MREMAP_FIXED   = 1 << 1
)

Flags for mremap(2).

View Source 
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).

View Source 
const (
	MS_ASYNC      = 1 << 0
	MS_INVALIDATE = 1 << 1
	MS_SYNC       = 1 << 2
)

Flags for msync(2).

View Source 
const (
	MPOL_DEFAULT    = 0
	MPOL_PREFERRED  = 1
	MPOL_BIND       = 2
	MPOL_INTERLEAVE = 3
	MPOL_LOCAL      = 4
	MPOL_MAX        = 5
)

Policies for get_mempolicy(2)/set_mempolicy(2).

View Source 
const (
	MPOL_F_NODE         = 1 << 0
	MPOL_F_ADDR         = 1 << 1
	MPOL_F_MEMS_ALLOWED = 1 << 2
)

Flags for get_mempolicy(2).

View Source 
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).

View Source 
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.

View Source 
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.

View Source 
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.

View Source 
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.

View Source 
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.

View Source 
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.

View Source 
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.

View Source 
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.

View Source 
const (
	// PR_SET_PDEATHSIG will set the process' death signal.
	PR_SET_PDEATHSIG = 1

	// PR_GET_PDEATHSIG will get the process' death signal.
	PR_GET_PDEATHSIG = 2

	// PR_GET_KEEPCAPS will get the value of the keep capabilities flag.
	PR_GET_KEEPCAPS = 7

	// PR_SET_KEEPCAPS will set the value of the keep capabilities flag.
	PR_SET_KEEPCAPS = 8

	// PR_SET_NAME will set the process' name.
	PR_SET_NAME = 15

	// PR_GET_NAME will get the process' name.
	PR_GET_NAME = 16

	// PR_SET_MM will modify certain kernel memory map descriptor fields of the
	// calling process. See prctl(2) for more information.
	PR_SET_MM = 35

	// PR_SET_MM_EXE_FILE will supersede 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_NO_NEW_PRIVS will set the calling thread's no_new_privs bit.
	PR_SET_NO_NEW_PRIVS = 38

	// PR_GET_NO_NEW_PRIVS will get the calling thread's no_new_privs bit.
	PR_GET_NO_NEW_PRIVS = 39

	// PR_SET_SECCOMP will set a process' seccomp mode.
	PR_SET_SECCOMP = 22

	// PR_GET_SECCOMP will get a process' seccomp mode.
	PR_GET_SECCOMP = 21

	// PR_CAPBSET_READ will get the capability bounding set.
	PR_CAPBSET_READ = 23

	// PR_CAPBSET_DROP will set the capability bounding set.
	PR_CAPBSET_DROP = 24
)

PR_* flags, from <linux/pcrtl.h> for prctl(2).

View Source 
const (
	ARCH_SET_GS = 0x1001
	ARCH_SET_FS = 0x1002
	ARCH_GET_FS = 0x1003
	ARCH_GET_GS = 0x1004
)

From <asm/prctl.h> Flags are used in syscall arch_prctl(2).

View Source 
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).

View Source 
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).

View Source 
const (
	SECCOMP_MODE_NONE   = 0
	SECCOMP_MODE_FILTER = 2

	SECCOMP_RET_KILL  = 0x00000000
	SECCOMP_RET_TRAP  = 0x00030000
	SECCOMP_RET_ERRNO = 0x00050000
	SECCOMP_RET_TRACE = 0x7ff00000
	SECCOMP_RET_ALLOW = 0x7fff0000

	SECCOMP_RET_ACTION = 0x7fff0000
	SECCOMP_RET_DATA   = 0x0000ffff

	SECCOMP_SET_MODE_FILTER   = 1
	SECCOMP_FILTER_FLAG_TSYNC = 1
)

Seccomp constants taken from <linux/seccomp.h>.

View Source 
const (
	GETPID  = 11
	GETVAL  = 12
	GETALL  = 13
	GETNCNT = 14
	GETZCNT = 15
	SETVAL  = 16
	SETALL  = 17
)

semctl Command Definitions. Source: //include/uapi/linux/sem.h

View Source 
const (
	SEM_STAT = 18
	SEM_INFO = 19
)

ipcs ctl cmds. Source: //include/uapi/linux/sem.h

View Source 
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
)
View Source 
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.

View Source 
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).

View Source 
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.

View Source 
const (
	SA_NOCLDSTOP   = 0x00000001
	SA_NOCLDWAIT   = 0x00000002
	SA_SIGINFO     = 0x00000004
	SA_ONSTACK     = 0x08000000
	SA_RESTART     = 0x10000000
	SA_NODEFER     = 0x40000000
	SA_RESTARTHAND = 0x80000000
	SA_NOMASK      = SA_NODEFER
	SA_ONESHOT     = SA_RESTARTHAND
)

Signal action flags for rt_sigaction(2), from uapi/asm-generic/signal.h

View Source 
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.

View Source 
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_REINJECT         = 0x8000000
	MSG_ZEROCOPY         = 0x4000000
	MSG_FASTOPEN         = 0x20000000
	MSG_CMSG_CLOEXEC     = 0x40000000
)

sendmsg(2)/recvmsg(2) flags, from linux/socket.h.

View Source 
const (
	SOCK_STREAM    = 1
	SOCK_DGRAM     = 2
	SOCK_RAW       = 3
	SOCK_RDM       = 4
	SOCK_SEQPACKET = 5
	SOCK_DCCP      = 6
	SOCK_PACKET    = 10
)

Socket types, from linux/net.h.

View Source 
const (
	SOCK_CLOEXEC  = O_CLOEXEC
	SOCK_NONBLOCK = O_NONBLOCK
)

socket(2)/socketpair(2)/accept4(2) flags, from linux/net.h.

View Source 
const (
	SHUT_RD   = 0
	SHUT_WR   = 1
	SHUT_RDWR = 2
)

shutdown(2) how commands, from <linux/net.h>.

View Source 
const (
	SO_ERROR       = 4
	SO_KEEPALIVE   = 9
	SO_LINGER      = 13
	SO_MARK        = 36
	SO_PASSCRED    = 16
	SO_PEERCRED    = 17
	SO_PEERNAME    = 28
	SO_PROTOCOL    = 38
	SO_RCVBUF      = 8
	SO_RCVTIMEO    = 20
	SO_REUSEADDR   = 2
	SO_SNDBUF      = 7
	SO_SNDTIMEO    = 21
	SO_TIMESTAMP   = 29
	SO_TIMESTAMPNS = 35
	SO_TYPE        = 3
)

Socket options from socket.h.

View Source 
const (
	SCM_CREDENTIALS = 0x2
	SCM_RIGHTS      = 0x1
)

Control message types, from linux/socket.h.

View Source 
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
)
View Source 
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.

View Source 
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).

View Source 
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)).

View Source 
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.

View Source 
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.

View Source 
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.

View Source 
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.

View Source 
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.

View Source 
const (
	// AIORingSize is sizeof(struct aio_ring).
	AIORingSize = 32
)
View Source 
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".

View Source 
const (
	AT_FDCWD = -100
)

Constants for all file-related ...at(2) syscalls.

View Source 
const (
	AT_REMOVEDIR = 0x200
)

Constants for unlinkat(2).

View Source 
const (
	AT_SYMLINK_NOFOLLOW = 0x100
)

Constants for fstatat(2).

View Source 
const (
	// AUDIT_ARCH_X86_64 is taken from <linux/audit.h>.
	AUDIT_ARCH_X86_64 = 0xc000003e
)
View Source 
const FUTEX_TID_MASK = 0x3fffffff

FUTEX_TID_MASK is the TID portion of a PI futex word.

View Source 
const (
	// IFNAMSIZ is the size of the name field for IFReq.
	IFNAMSIZ = 16
)
View Source 
const IPC_PRIVATE = 0
View Source 
const MaxSymlinkTraversals = 40

MaxSymlinkTraversals is the maximum number of links that will be followed by the kernel to resolve a symlink.

View Source 
const NLA_ALIGNTO = 4

NLA_ALIGNTO is the alignment of netlink attributes, from uapi/linux/netlink.h.

View Source 
const NLMSG_ALIGNTO = 4

NLMSG_ALIGNTO is the alignment of netlink messages, from uapi/linux/netlink.h.

View Source 
const NetlinkAttrHeaderSize = 4

NetlinkAttrHeaderSize is the size of NetlinkAttrHeader.

View Source 
const NetlinkMessageHeaderSize = 16

NetlinkMessageHeaderSize is the size of NetlinkMessageHeader.

View Source 
const (
	// NumControlCharacters is the number of control characters in Termios.
	NumControlCharacters = 19
)
View Source 
const NumSoftIRQ = 10

NumSoftIRQ is the number of software IRQs, exposed via /proc/stat.

Defined in linux/interrupt.h.

View Source 
const (
	// PTMX_MINOR is the minor device number for /dev/ptmx.
	PTMX_MINOR = 2
)

Minor device numbers for TTYAUX_MAJOR.

View Source 
const SCM_MAX_FD = 253

SCM_MAX_FD is the maximum number of FDs accepted in a single sendmsg call. From net/scm.h.

View Source 
const SEM_UNDO = 0x1000
View Source 
const SOCK_TYPE_MASK = 0xf

SOCK_TYPE_MASK covers all of the above socket types. The remaining bits are flags. From linux/net.h.

View Source 
const SOL_SOCKET = 1

SOL_SOCKET is from socket.h

View Source 
const SignalSetSize = 8

SignalSetSize is the size in bytes of a SignalSet.

View Source 
const SizeOfControlMessageRight = 4

SizeOfControlMessageRight is the size of a single element in ControlMessageRights.

View Source 
const SizeOfTimeval = 16

SizeOfTimeval is the size of a Timeval struct in bytes.

View Source 
const SockAddrNetlinkSize = 12

SockAddrNetlinkSize is the size of SockAddrNetlink.

View Source 
const TASK_COMM_LEN = 16

TASK_COMM_LEN is the task command name length.

View Source 
const (
	TIMER_ABSTIME = 1
)

Flags for clock_nanosleep(2).

View Source 
const UIO_MAXIOV = 1024

UIO_MAXIOV is the maximum number of struct iovecs in a struct iovec array.

View Source 
const (
	// UTSLen is the maximum length of strings contained in fields of
	// UtsName.
	UTSLen = 64
)
View Source 
const UnixPathMax = 108

UnixPathMax is the maximum length of the path in an AF_UNIX socket.

From uapi/linux/un.h.

Variables

View Source 
var (
	EPERM   = &Errno{1, "operation not permitted"}
	ENOENT  = &Errno{2, "no such file or directory"}
	ESRCH   = &Errno{3, "no such process"}
	EINTR   = &Errno{4, "interrupted system call"}
	EIO     = &Errno{5, "I/O error"}
	ENXIO   = &Errno{6, "no such device or address"}
	E2BIG   = &Errno{7, "argument list too long"}
	ENOEXEC = &Errno{8, "exec format error"}
	EBADF   = &Errno{9, "bad file number"}
	ECHILD  = &Errno{10, "no child processes"}
	EAGAIN  = &Errno{11, "try again"}
	ENOMEM  = &Errno{12, "out of memory"}
	EACCES  = &Errno{13, "permission denied"}
	EFAULT  = &Errno{14, "bad address"}
	ENOTBLK = &Errno{15, "block device required"}
	EBUSY   = &Errno{16, "device or resource busy"}
	EEXIST  = &Errno{17, "file exists"}
	EXDEV   = &Errno{18, "cross-device link"}
	ENODEV  = &Errno{19, "no such device"}
	ENOTDIR = &Errno{20, "not a directory"}
	EISDIR  = &Errno{21, "is a directory"}
	EINVAL  = &Errno{22, "invalid argument"}
	ENFILE  = &Errno{23, "file table overflow"}
	EMFILE  = &Errno{24, "too many open files"}
	ENOTTY  = &Errno{25, "not a typewriter"}
	ETXTBSY = &Errno{26, "text file busy"}
	EFBIG   = &Errno{27, "file too large"}
	ENOSPC  = &Errno{28, "no space left on device"}
	ESPIPE  = &Errno{29, "illegal seek"}
	EROFS   = &Errno{30, "read-only file system"}
	EMLINK  = &Errno{31, "too many links"}
	EPIPE   = &Errno{32, "broken pipe"}
	EDOM    = &Errno{33, "math argument out of domain of func"}
	ERANGE  = &Errno{34, "math result not representable"}
)

Errno values from include/uapi/asm-generic/errno-base.h.

View Source 
var (
	EDEADLK         = &Errno{35, "resource deadlock would occur"}
	ENAMETOOLONG    = &Errno{36, "file name too long"}
	ENOLCK          = &Errno{37, "no record locks available"}
	ENOSYS          = &Errno{38, "invalid system call number"}
	ENOTEMPTY       = &Errno{39, "directory not empty"}
	ELOOP           = &Errno{40, "too many symbolic links encountered"}
	EWOULDBLOCK     = &Errno{EAGAIN.number, "operation would block"}
	ENOMSG          = &Errno{42, "no message of desired type"}
	EIDRM           = &Errno{43, "identifier removed"}
	ECHRNG          = &Errno{44, "channel number out of range"}
	EL2NSYNC        = &Errno{45, "level 2 not synchronized"}
	EL3HLT          = &Errno{46, "level 3 halted"}
	EL3RST          = &Errno{47, "level 3 reset"}
	ELNRNG          = &Errno{48, "link number out of range"}
	EUNATCH         = &Errno{49, "protocol driver not attached"}
	ENOCSI          = &Errno{50, "no CSI structure available"}
	EL2HLT          = &Errno{51, "level 2 halted"}
	EBADE           = &Errno{52, "invalid exchange"}
	EBADR           = &Errno{53, "invalid request descriptor"}
	EXFULL          = &Errno{54, "exchange full"}
	ENOANO          = &Errno{55, "no anode"}
	EBADRQC         = &Errno{56, "invalid request code"}
	EBADSLT         = &Errno{57, "invalid slot"}
	EDEADLOCK       = EDEADLK
	EBFONT          = &Errno{59, "bad font file format"}
	ENOSTR          = &Errno{60, "device not a stream"}
	ENODATA         = &Errno{61, "no data available"}
	ETIME           = &Errno{62, "timer expired"}
	ENOSR           = &Errno{63, "out of streams resources"}
	ENONET          = &Errno{64, "machine is not on the network"}
	ENOPKG          = &Errno{65, "package not installed"}
	EREMOTE         = &Errno{66, "object is remote"}
	ENOLINK         = &Errno{67, "link has been severed"}
	EADV            = &Errno{68, "advertise error"}
	ESRMNT          = &Errno{69, "srmount error"}
	ECOMM           = &Errno{70, "communication error on send"}
	EPROTO          = &Errno{71, "protocol error"}
	EMULTIHOP       = &Errno{72, "multihop attempted"}
	EDOTDOT         = &Errno{73, "RFS specific error"}
	EBADMSG         = &Errno{74, "not a data message"}
	EOVERFLOW       = &Errno{75, "value too large for defined data type"}
	ENOTUNIQ        = &Errno{76, "name not unique on network"}
	EBADFD          = &Errno{77, "file descriptor in bad state"}
	EREMCHG         = &Errno{78, "remote address changed"}
	ELIBACC         = &Errno{79, "can not access a needed shared library"}
	ELIBBAD         = &Errno{80, "accessing a corrupted shared library"}
	ELIBSCN         = &Errno{81, ".lib section in a.out corrupted"}
	ELIBMAX         = &Errno{82, "attempting to link in too many shared libraries"}
	ELIBEXEC        = &Errno{83, "cannot exec a shared library directly"}
	EILSEQ          = &Errno{84, "illegal byte sequence"}
	ERESTART        = &Errno{85, "interrupted system call should be restarted"}
	ESTRPIPE        = &Errno{86, "streams pipe error"}
	EUSERS          = &Errno{87, "too many users"}
	ENOTSOCK        = &Errno{88, "socket operation on non-socket"}
	EDESTADDRREQ    = &Errno{89, "destination address required"}
	EMSGSIZE        = &Errno{90, "message too long"}
	EPROTOTYPE      = &Errno{91, "protocol wrong type for socket"}
	ENOPROTOOPT     = &Errno{92, "protocol not available"}
	EPROTONOSUPPORT = &Errno{93, "protocol not supported"}
	ESOCKTNOSUPPORT = &Errno{94, "socket type not supported"}
	EOPNOTSUPP      = &Errno{95, "operation not supported on transport endpoint"}
	EPFNOSUPPORT    = &Errno{96, "protocol family not supported"}
	EAFNOSUPPORT    = &Errno{97, "address family not supported by protocol"}
	EADDRINUSE      = &Errno{98, "address already in use"}
	EADDRNOTAVAIL   = &Errno{99, "cannot assign requested address"}
	ENETDOWN        = &Errno{100, "network is down"}
	ENETUNREACH     = &Errno{101, "network is unreachable"}
	ENETRESET       = &Errno{102, "network dropped connection because of reset"}
	ECONNABORTED    = &Errno{103, "software caused connection abort"}
	ECONNRESET      = &Errno{104, "connection reset by peer"}
	ENOBUFS         = &Errno{105, "no buffer space available"}
	EISCONN         = &Errno{106, "transport endpoint is already connected"}
	ENOTCONN        = &Errno{107, "transport endpoint is not connected"}
	ESHUTDOWN       = &Errno{108, "cannot send after transport endpoint shutdown"}
	ETOOMANYREFS    = &Errno{109, "too many references: cannot splice"}
	ETIMEDOUT       = &Errno{110, "connection timed out"}
	ECONNREFUSED    = &Errno{111, "connection refused"}
	EHOSTDOWN       = &Errno{112, "host is down"}
	EHOSTUNREACH    = &Errno{113, "no route to host"}
	EALREADY        = &Errno{114, "operation already in progress"}
	EINPROGRESS     = &Errno{115, "operation now in progress"}
	ESTALE          = &Errno{116, "stale file handle"}
	EUCLEAN         = &Errno{117, "structure needs cleaning"}
	ENOTNAM         = &Errno{118, "not a XENIX named type file"}
	ENAVAIL         = &Errno{119, "no XENIX semaphores available"}
	EISNAM          = &Errno{120, "is a named type file"}
	EREMOTEIO       = &Errno{121, "remote I/O error"}
	EDQUOT          = &Errno{122, "quota exceeded"}
	ENOMEDIUM       = &Errno{123, "no medium found"}
	EMEDIUMTYPE     = &Errno{124, "wrong medium type"}
	ECANCELED       = &Errno{125, "operation Canceled"}
	ENOKEY          = &Errno{126, "required key not available"}
	EKEYEXPIRED     = &Errno{127, "key has expired"}
	EKEYREVOKED     = &Errno{128, "key has been revoked"}
	EKEYREJECTED    = &Errno{129, "key was rejected by service"}
	EOWNERDEAD      = &Errno{130, "owner died"}
	ENOTRECOVERABLE = &Errno{131, "state not recoverable"}
	ERFKILL         = &Errno{132, "operation not possible due to RF-kill"}
	EHWPOISON       = &Errno{133, "memory page has hardware error"}
)

Errno values from include/uapi/asm-generic/errno.h.

View Source 
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.

View Source 
var DefaultSlaveTermios = 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,
}

DefaultSlaveTermios is the default terminal configuration of the slave end of a Unix98 pseudoterminal.

View Source 
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.

View Source 
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.

View Source 
var SizeOfControlMessageCredentials = int(binary.Size(ControlMessageCredentials{}))

SizeOfControlMessageCredentials is the binary size of a ControlMessageCredentials struct.

View Source 
var SizeOfControlMessageHeader = int(binary.Size(ControlMessageHeader{}))

SizeOfControlMessageHeader is the binary size of a ControlMessageHeader struct.

View Source 
var SizeOfIFReq = binary.Size(IFReq{})

SizeOfIFReq is the binary size of an IFReq struct (40 bytes).

View Source 
var SizeOfTCPInfo = binary.Size(TCPInfo{})

SizeOfTCPInfo is the binary size of a TCPInfo struct (104 bytes).

Functions

func ControlCharacter 

func ControlCharacter(c byte) uint8

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 ForEachSignal 

func ForEachSignal(mask SignalSet, f func(sig Signal))

ForEachSignal invokes f for each signal set in the given mask.

func MakeDeviceID 

func MakeDeviceID(major uint16, minor uint32) uint32

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 AshmemPin 

type AshmemPin struct {
	Offset uint32
	Len    uint32
}

AshmemPin structure is used for pin-related ioctls.

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.

type BinderVersion 

type BinderVersion struct {
	ProtocolVersion int32
}

BinderVersion structure is used for BINDER_VERSION ioctl.

type CapUserData 

type CapUserData struct {
	Effective   uint32
	Permitted   uint32
	Inheritable uint32
}

CapUserData is equivalent to Linux's cap_user_data_t.

type CapUserHeader 

type CapUserHeader struct {
	Version uint32
	Pid     int32
}

CapUserHeader is equivalent to Linux's cap_user_header_t.

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.

func ClockTFromDuration 

func ClockTFromDuration(d time.Duration) ClockT

ClockTFromDuration converts time.Duration to clock_t.

type ControlMessageCredentials 

type ControlMessageCredentials struct {
	PID int32
	UID uint32
	GID uint32
}

A ControlMessageCredentials is an SCM_CREDENTIALS socket control message.

ControlMessageCredentials represents struct ucred from linux/socket.h.

type ControlMessageHeader 

type ControlMessageHeader struct {
	Length uint64
	Level  int32
	Type   int32
}

A ControlMessageHeader is the header for a socket control message.

ControlMessageHeader represents struct cmsghdr from linux/socket.h.

type ControlMessageRights 

type ControlMessageRights []int32

A ControlMessageRights is an SCM_RIGHTS socket control message.

type Errno 

type Errno struct {
	// contains filtered or unexported fields
}

Errno represents a Linux errno value.

func (*Errno) Error 

func (e *Errno) Error() string

Error implements error.Error.

func (*Errno) Number 

func (e *Errno) Number() int

Number returns the errno number.

type FileMode 

type FileMode uint

FileMode represents a mode_t.

func (FileMode) ExtraBits 

func (m FileMode) ExtraBits() FileMode

ExtraBits returns everything but the file type and permission bits.

func (FileMode) FileType 

func (m FileMode) FileType() FileMode

FileType returns just the file type bits.

func (FileMode) Permissions 

func (m FileMode) Permissions() FileMode

Permissions returns just the permission bits.

func (FileMode) String 

func (m FileMode) String() string

String returns a string representation of m.

type IFConf 

type IFConf struct {
	Len int32

	Ptr uint64
	// contains filtered or unexported fields
}

IFConf is used to return a list of interfaces and their addresses. See netdevice(7) and struct ifconf for more detail on its use.

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.

func (*IFReq) Name 

func (ifr *IFReq) Name() string

Name returns the name.

func (*IFReq) SetName 

func (ifr *IFReq) SetName(name string)

SetName sets the name.

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 ipc_perm.

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.

type InterfaceInfoMessage 

type InterfaceInfoMessage struct {
	Family  uint8
	Padding uint8
	Type    uint16
	Index   int32
	Flags   uint32
	Change  uint32
}

InterfaceInfoMessage is struct ifinfomsg, from uapi/linux/rtnetlink.h.

type ItimerVal 

type ItimerVal struct {
	Interval Timeval
	Value    Timeval
}

ItimerVal mimics the following struct in <sys/time.h> 

struct itimerval {
  struct timeval it_interval; /* next value */
  struct timeval it_value;    /* current value */
};

type Itimerspec 

type Itimerspec struct {
	Interval Timespec
	Value    Timespec
}

Itimerspec represents struct itimerspec in <time.h>.

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.

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) 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 NetlinkAttrHeader 

type NetlinkAttrHeader struct {
	Length uint16
	Type   uint16
}

NetlinkAttrHeader is the header of a netlink attribute, followed by payload.

This is struct nlattr, from uapi/linux/netlink.h.

type NetlinkMessageHeader 

type NetlinkMessageHeader struct {
	Length uint32
	Type   uint16
	Flags  uint16
	Seq    uint32
	PortID uint32
}

NetlinkMessageHeader is struct nlmsghdr, from uapi/linux/netlink.h.

type PollFD 

type PollFD struct {
	FD      int32
	Events  int16
	REvents int16
}

PollFD is struct pollfd, used by poll(2)/ppoll(2), from uapi/asm-generic/poll.h.

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 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.

type Sembuf 

type Sembuf struct {
	SemNum uint16
	SemOp  int16
	SemFlg int16
}

Sembuf is equivalent to struct sembuf.

type SemidDS 

type SemidDS struct {
	SemPerm  IPCPerm
	SemOTime TimeT

	SemCTime TimeT

	SemNSems uint32
	// contains filtered or unexported fields
}

SemidDS is equivalent to struct semid_ds.

type Signal 

type Signal int

Signal is a signal number.

func (Signal) Index 

func (s Signal) Index() int

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 

func (s Signal) IsRealtime() bool

IsRealtime returns true if s is a realtime signal.

Preconditions: s.IsValid().

func (Signal) IsStandard 

func (s Signal) IsStandard() bool

IsStandard returns true if s is a standard signal.

Preconditions: s.IsValid().

func (Signal) IsValid 

func (s Signal) IsValid() bool

IsValid returns true if s is a valid standard or realtime signal. (0 is not considered valid; interfaces special-casing signal number 0 should check for 0 first before asserting validity.)

type SignalSet 

type SignalSet uint64

SignalSet is a signal mask with a bit corresponding to each signal.

func MakeSignalSet 

func MakeSignalSet(sigs ...Signal) SignalSet

MakeSignalSet returns SignalSet with the bit corresponding to each of the given signals set.

func SignalSetOf 

func SignalSetOf(sig Signal) SignalSet

SignalSetOf returns a SignalSet with a single signal set.

type SockAddrInet 

type SockAddrInet struct {
	Family uint16
	Port   uint16
	Addr   [4]byte
	Zero   [8]uint8 // pad to sizeof(struct sockaddr).
}

SockAddrInt is struct sockaddr_in, from uapi/linux/in.h.

type SockAddrInet6 

type SockAddrInet6 struct {
	Family   uint16
	Port     uint16
	Flowinfo uint32
	Addr     [16]byte
	Scope_id uint32
}

SockAddrInt6 is struct sockaddr_in6, from uapi/linux/in6.h. 

type SockAddrNetlink struct {
	Family  uint16
	Padding uint16
	PortID  uint32
	Groups  uint32
}

SockAddrNetlink is struct sockaddr_nl, from uapi/linux/netlink.h.

type SockAddrUnix 

type SockAddrUnix struct {
	Family uint16
	Path   [UnixPathMax]int8
}

SockAddrUnix is struct sockaddr_un, from uapi/linux/un.h.

type Stat 

type Stat struct {
	Dev      uint64
	Ino      uint64
	Nlink    uint64
	Mode     uint32
	UID      uint32
	GID      uint32
	X_pad0   int32
	Rdev     uint64
	Size     int64
	Blksize  int64
	Blocks   int64
	ATime    Timespec
	MTime    Timespec
	CTime    Timespec
	X_unused [3]int64
}

Stat represents struct stat.

type Statfs 

type Statfs struct {
	// Type is one of the filesystem magic values, defined above.
	Type uint64

	// BlockSize is the data block size.
	BlockSize int64

	// Blocks is the number of data blocks in use.
	Blocks uint64

	// BlocksFree is the number of free blocks.
	BlocksFree uint64

	// BlocksAvailable is the number of blocks free for use by
	// unprivileged users.
	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.

type Sysinfo 

type Sysinfo struct {
	Uptime    int64
	Loads     [3]uint64
	TotalRAM  uint64
	FreeRAM   uint64
	SharedRAM uint64
	BufferRAM uint64
	TotalSwap uint64
	FreeSwap  uint64
	Procs     uint16
	TotalHigh uint64
	FreeHigh  uint64
	Unit      uint32
}

Sysinfo is the structure provided by sysinfo on linux versions > 2.3.48.

type TCPInfo 

type TCPInfo struct {
	State       uint8
	CaState     uint8
	Retransmits uint8
	Probes      uint8
	Backoff     uint8
	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    uint32
	ATO    uint32
	SndMss uint32
	RcvMss uint32

	Unacked uint32
	Sacked  uint32
	Lost    uint32
	Retrans uint32
	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   uint32
	RcvSpace uint32

	TotalRetrans uint32

	PacingRate    uint64
	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 uint32
	MinRTT       uint32
	// DataSegsIn is RFC4898 tcpEStatsDataSegsIn.
	DataSegsIn uint32
	// DataSegsOut is RFC4898 tcpEStatsDataSegsOut.
	DataSegsOut uint32

	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
}

TCPInfo is a collection of TCP statistics.

From uapi/linux/tcp.h.

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.

type TimeT 

type TimeT int64

TimeT represents time_t in <time.h>. It represents time in seconds.

func NsecToTimeT 

func NsecToTimeT(nsec int64) TimeT

NsecToTimeT translates nanoseconds to TimeT (seconds).

type Timespec 

type Timespec struct {
	Sec  int64
	Nsec int64
}

Timespec represents struct timespec in <time.h>.

func DurationToTimespec 

func DurationToTimespec(dur time.Duration) Timespec

DurationToTimespec translates time.Duration to Timespec.

func NsecToTimespec 

func NsecToTimespec(nsec int64) (ts Timespec)

NsecToTimespec translates nanoseconds to Timespec.

func (Timespec) ToDuration 

func (ts Timespec) ToDuration() time.Duration

ToDuration returns the safe nanosecond representation as time.Duration.

func (Timespec) ToNsec 

func (ts Timespec) ToNsec() int64

ToNsec returns the nanosecond representation.

func (Timespec) ToNsecCapped 

func (ts Timespec) ToNsecCapped() int64

ToNsecCapped returns the safe nanosecond representation.

func (Timespec) ToTime 

func (ts Timespec) ToTime() time.Time

ToTime returns the Go time.Time representation.

func (Timespec) Unix 

func (ts Timespec) Unix() (sec int64, nsec int64)

Unix returns the second and nanosecond.

func (Timespec) Valid 

func (ts Timespec) Valid() bool

Valid returns whether the timespec contains valid values.

type Timeval 

type Timeval struct {
	Sec  int64
	Usec int64
}

Timeval represents struct timeval in <time.h>.

func DurationToTimeval 

func DurationToTimeval(dur time.Duration) Timeval

DurationToTimeval translates time.Duration to Timeval.

func NsecToTimeval 

func NsecToTimeval(nsec int64) (tv Timeval)

NsecToTimeval translates nanosecond to Timeval.

func (Timeval) ToDuration 

func (tv Timeval) ToDuration() time.Duration

ToDuration returns the safe nanosecond representation as a time.Duration.

func (Timeval) ToNsecCapped 

func (tv Timeval) ToNsecCapped() int64

ToNsecCapped returns the safe nanosecond representation.

func (Timeval) ToTime 

func (tv Timeval) ToTime() time.Time

ToTime returns the Go time.Time representation.

type Tms 

type Tms struct {
	UTime  ClockT
	STime  ClockT
	CUTime ClockT
	CSTime ClockT
}

Tms represents struct tms, used by times(2).

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).

func (UtsName) String 

func (u UtsName) String() string

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