#include <signal.h>

`SIGHUP`

Interface status:

externallyDefinedApi

SIGHUP 1

Description

Hangup.

`SIGQUIT`

Interface status:

externallyDefinedApi

SIGQUIT 3

Description

Terminal quit signal.

`SIGILL`

Interface status:

externallyDefinedApi

SIGILL 4

Description

Illegal opcode.

`SIGTRAP`

Interface status:

externallyDefinedApi

SIGTRAP 5

Description

trace trap (not reset when caught)

`SIGABRT`

Interface status:

externallyDefinedApi

SIGABRT 6

Description

abort(void)abort(void)

`SIGIOT`

SIGIOT SIGABRT

Description

compatibility

`SIGEMT`

SIGEMT 7

Description

EMT instruction

`SIGFPE`

Interface status:

externallyDefinedApi

SIGFPE 8

Description

floating point exception

`SIGKILL`

Interface status:

externallyDefinedApi

SIGKILL 9

Description

kill (cannot be caught or ignored)

`SIGBUS`

Interface status:

externallyDefinedApi

SIGBUS 10

Description

bus error

`SIGSEGV`

Interface status:

externallyDefinedApi

SIGSEGV 11

Description

segmentation violation

`SIGSYS`

Interface status:

externallyDefinedApi

SIGSYS 12

Description

non-existent system call invoked

`SIGALRM`

Interface status:

externallyDefinedApi

SIGALRM 14

Description

alarm clock

`SIGTERM`

Interface status:

externallyDefinedApi

SIGTERM 15

Description

software termination signal from kill

`SIGURG`

Interface status:

externallyDefinedApi

SIGURG 16

Description

urgent condition on IO channel

`SIGSTOP`

Interface status:

externallyDefinedApi

SIGSTOP 17

Description

sendable stop signal not from tty

`SIGTSTP`

Interface status:

externallyDefinedApi

SIGTSTP 18

Description

stop signal from tty

`SIGCONT`

Interface status:

externallyDefinedApi

SIGCONT 19

Description

continue a stopped process

`SIGCHLD`

Interface status:

externallyDefinedApi

SIGCHLD 20

Description

to parent on child stop or exit

`SIGTTIN`

Interface status:

externallyDefinedApi

SIGTTIN 21

Description

to readers pgrp upon background tty read

`SIGTTOU`

Interface status:

externallyDefinedApi

SIGTTOU 22

Description

like TTIN

`SIGIO`

SIGIO 23

Description

input or output possible signal

`SIGXCPU`

Interface status:

externallyDefinedApi

SIGXCPU 24

Description

exceeded CPU time limit

`SIGXFSZ`

Interface status:

externallyDefinedApi

SIGXFSZ 25

Description

exceeded file size limit

`SIGVTALRM`

Interface status:

externallyDefinedApi

SIGVTALRM 26

Description

virtual time alarm

`SIGPROF`

Interface status:

externallyDefinedApi

SIGPROF 27

Description

profiling time alarm

`SIGWINCH`

SIGWINCH 28

Description

window size changes

`SIGINFO`

SIGINFO 29

Description

information request

`SIGUSR1`

Interface status:

externallyDefinedApi

SIGUSR1 30

Description

user defined signal 1

`SIGUSR2`

Interface status:

externallyDefinedApi

SIGUSR2 31

Description

user defined signal 2

`SIGTHR`

SIGTHR 32

Description

Thread interrupt.

`SIG_DFL`

Interface status:

externallyDefinedApi

SIG_DFL ((__sighandler_t *)0)

Description

Request for default signal handling.

`SIG_IGN`

Interface status:

externallyDefinedApi

SIG_IGN ((__sighandler_t *)1)

Description

Request that signal be ignored.

`SIG_ERR`

Interface status:

externallyDefinedApi

SIG_ERR ((__sighandler_t *)-1)

Description

Return value from signal() in case of error.

`SA_ONSTACK`

Interface status:

externallyDefinedApi

SA_ONSTACK 0x0001

Description

take signal on signal stack

`SA_RESTART`

Interface status:

externallyDefinedApi

SA_RESTART 0x0002

Description

restart system call on signal return

`SA_RESETHAND`

Interface status:

externallyDefinedApi

SA_RESETHAND 0x0004

Description

reset to SIG_DFL when taking signal

`SA_NODEFER`

Interface status:

externallyDefinedApi

SA_NODEFER 0x0010

Description

don't mask the signal we're delivering

`SA_NOCLDWAIT`

Interface status:

externallyDefinedApi

SA_NOCLDWAIT 0x0020

Description

don't keep zombies around

`SA_SIGINFO`

Interface status:

externallyDefinedApi

SA_SIGINFO 0x0040

Description

signal handler with SA_SIGINFO args

`NSIG`

NSIG 32

Description

number of old signals (counting 0)