signal

package module
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Published: Jul 16, 2024 License: Apache-2.0 Imports: 7 Imported by: 258

Documentation

Overview

Package signal provides helper functions for dealing with signals across various operating systems.

Index

Constants

View Source
const (
	// SIGCHLD is a signal sent to a process when a child process terminates, is interrupted, or resumes after being interrupted.
	SIGCHLD = syscall.SIGCHLD
	// SIGWINCH is a signal sent to a process when its controlling terminal changes its size
	SIGWINCH = syscall.SIGWINCH
	// SIGPIPE is a signal sent to a process when a pipe is written to before the other end is open for reading
	SIGPIPE = syscall.SIGPIPE
)

Variables

View Source
var SignalMap = map[string]syscall.Signal{
	"ABRT":     unix.SIGABRT,
	"ALRM":     unix.SIGALRM,
	"BUS":      unix.SIGBUS,
	"CHLD":     unix.SIGCHLD,
	"CLD":      unix.SIGCLD,
	"CONT":     unix.SIGCONT,
	"FPE":      unix.SIGFPE,
	"HUP":      unix.SIGHUP,
	"ILL":      unix.SIGILL,
	"INT":      unix.SIGINT,
	"IO":       unix.SIGIO,
	"IOT":      unix.SIGIOT,
	"KILL":     unix.SIGKILL,
	"PIPE":     unix.SIGPIPE,
	"POLL":     unix.SIGPOLL,
	"PROF":     unix.SIGPROF,
	"PWR":      unix.SIGPWR,
	"QUIT":     unix.SIGQUIT,
	"SEGV":     unix.SIGSEGV,
	"STKFLT":   unix.SIGSTKFLT,
	"STOP":     unix.SIGSTOP,
	"SYS":      unix.SIGSYS,
	"TERM":     unix.SIGTERM,
	"TRAP":     unix.SIGTRAP,
	"TSTP":     unix.SIGTSTP,
	"TTIN":     unix.SIGTTIN,
	"TTOU":     unix.SIGTTOU,
	"URG":      unix.SIGURG,
	"USR1":     unix.SIGUSR1,
	"USR2":     unix.SIGUSR2,
	"VTALRM":   unix.SIGVTALRM,
	"WINCH":    unix.SIGWINCH,
	"XCPU":     unix.SIGXCPU,
	"XFSZ":     unix.SIGXFSZ,
	"RTMIN":    sigrtmin,
	"RTMIN+1":  sigrtmin + 1,
	"RTMIN+2":  sigrtmin + 2,
	"RTMIN+3":  sigrtmin + 3,
	"RTMIN+4":  sigrtmin + 4,
	"RTMIN+5":  sigrtmin + 5,
	"RTMIN+6":  sigrtmin + 6,
	"RTMIN+7":  sigrtmin + 7,
	"RTMIN+8":  sigrtmin + 8,
	"RTMIN+9":  sigrtmin + 9,
	"RTMIN+10": sigrtmin + 10,
	"RTMIN+11": sigrtmin + 11,
	"RTMIN+12": sigrtmin + 12,
	"RTMIN+13": sigrtmin + 13,
	"RTMIN+14": sigrtmin + 14,
	"RTMIN+15": sigrtmin + 15,
	"RTMAX-14": sigrtmax - 14,
	"RTMAX-13": sigrtmax - 13,
	"RTMAX-12": sigrtmax - 12,
	"RTMAX-11": sigrtmax - 11,
	"RTMAX-10": sigrtmax - 10,
	"RTMAX-9":  sigrtmax - 9,
	"RTMAX-8":  sigrtmax - 8,
	"RTMAX-7":  sigrtmax - 7,
	"RTMAX-6":  sigrtmax - 6,
	"RTMAX-5":  sigrtmax - 5,
	"RTMAX-4":  sigrtmax - 4,
	"RTMAX-3":  sigrtmax - 3,
	"RTMAX-2":  sigrtmax - 2,
	"RTMAX-1":  sigrtmax - 1,
	"RTMAX":    sigrtmax,
}

SignalMap is a map of Linux signals.

Functions

func CatchAll

func CatchAll(sigc chan os.Signal)

CatchAll catches all signals and relays them to the specified channel. SIGURG is not handled, as it's used by the Go runtime to support preemptable system calls.

func ParseSignal

func ParseSignal(rawSignal string) (syscall.Signal, error)

ParseSignal translates a string to a valid syscall signal. It returns an error if the signal map doesn't include the given signal.

func StopCatch

func StopCatch(sigc chan os.Signal)

StopCatch stops catching the signals and closes the specified channel.

func ValidSignalForPlatform

func ValidSignalForPlatform(sig syscall.Signal) bool

ValidSignalForPlatform returns true if a signal is valid on the platform

Types

This section is empty.

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