signal.h File Reference

#include "posix_types.h"
#include "posix_features.h"

Go to the source code of this file.

Data Structures
struct	sigset_t
union	sigval
struct	sigevent
struct	siginfo_t
struct	sigaction

Macros
#define	SIGHUP   1
	Hangup.
#define	SIGINT   2
	Interrupt.
#define	SIGQUIT   3
	Quit.
#define	SIGILL   4
	Illegal instruction.
#define	SIGTRAP   5
	Trace/breakpoint trap.
#define	SIGABRT   6
	Aborted.
#define	SIGBUS   7
	Bus error.
#define	SIGFPE   8
	Arithmetic exception.
#define	SIGKILL   9
	Killed.
#define	SIGUSR1   10
	User-defined signal 1.
#define	SIGSEGV   11
	Invalid memory reference.
#define	SIGUSR2   12
	User-defined signal 2.
#define	SIGPIPE   13
	Broken pipe.
#define	SIGALRM   14
	Alarm clock.
#define	SIGTERM   15
	Terminated.
#define	SIGCHLD   17
	Child status changed.
#define	SIGCONT   18
	Continued.
#define	SIGSTOP   19
	Stop executing.
#define	SIGTSTP   20
	Stopped.
#define	SIGTTIN   21
	Stopped (read)
#define	SIGTTOU   22
	Stopped (write)
#define	SIGURG   23
	Urgent I/O condition.
#define	SIGXCPU   24
	CPU time limit exceeded.
#define	SIGXFSZ   25
	File size limit exceeded.
#define	SIGVTALRM   26
	Virtual timer expired.
#define	SIGPROF   27
	Profiling timer expired.
#define	SIGPOLL   29
	Pollable event occurred.
#define	SIGSYS   31
	Bad system call.
#define	SIGRTMIN   32
#define	SIGRTMAX   (SIGRTMIN + RTSIG_MAX)
#define	SIGEV_NONE   1
#define	SIGEV_SIGNAL   2
#define	SIGEV_THREAD   3
#define	SIG_BLOCK   0
#define	SIG_SETMASK   1
#define	SIG_UNBLOCK   2
#define	SIG_DFL   ((void *)0)
#define	SIG_IGN   ((void *)1)
#define	SIG_ERR   ((void *)-1)
#define	SI_USER   1
#define	SI_QUEUE   2
#define	SI_TIMER   3
#define	SI_ASYNCIO   4
#define	SI_MESGQ   5

Typedefs
typedef int	sig_atomic_t
typedef void(*	sighandler_t) (int signo)

Functions
unsigned int	alarm (unsigned int seconds)
int	kill (pid_t pid, int sig)
int	pause (void)
int	raise (int signo)
int	sigaction (int sig, const struct sigaction *ZRESTRICT act, struct sigaction *ZRESTRICT oact)
int	sigpending (sigset_t *set)
int	sigsuspend (const sigset_t *sigmask)
int	sigwait (const sigset_t *ZRESTRICT set, int *ZRESTRICT signo)
char *	strsignal (int signum)
int	sigemptyset (sigset_t *set)
int	sigfillset (sigset_t *set)
int	sigaddset (sigset_t *set, int signo)
int	sigdelset (sigset_t *set, int signo)
int	sigismember (const sigset_t *set, int signo)
sighandler_t	signal (int signo, sighandler_t handler)
int	sigprocmask (int how, const sigset_t *ZRESTRICT set, sigset_t *ZRESTRICT oset)
int	pthread_sigmask (int how, const sigset_t *ZRESTRICT set, sigset_t *ZRESTRICT oset)

Macro Definition Documentation

SI_ASYNCIO

#define SI_ASYNCIO   4

SI_MESGQ

#define SI_MESGQ   5

SI_QUEUE

#define SI_QUEUE   2

SI_TIMER

#define SI_TIMER   3

SI_USER

#define SI_USER   1

SIG_BLOCK

#define SIG_BLOCK   0

SIG_DFL

#define SIG_DFL   ((void *)0)

SIG_ERR

#define SIG_ERR   ((void *)-1)

SIG_IGN

#define SIG_IGN   ((void *)1)

SIG_SETMASK

#define SIG_SETMASK   1

SIG_UNBLOCK

#define SIG_UNBLOCK   2

SIGABRT

#define SIGABRT   6

Aborted.

SIGALRM

#define SIGALRM   14

Alarm clock.

SIGBUS

#define SIGBUS   7

Bus error.

SIGCHLD

#define SIGCHLD   17

Child status changed.

SIGCONT

#define SIGCONT   18

Continued.

SIGEV_NONE

#define SIGEV_NONE   1

SIGEV_SIGNAL

#define SIGEV_SIGNAL   2

SIGEV_THREAD

#define SIGEV_THREAD   3

SIGFPE

#define SIGFPE   8

Arithmetic exception.

SIGHUP

#define SIGHUP   1

Hangup.

SIGILL

#define SIGILL   4

Illegal instruction.

SIGINT

#define SIGINT   2

Interrupt.

SIGKILL

#define SIGKILL   9

Killed.

SIGPIPE

#define SIGPIPE   13

Broken pipe.

SIGPOLL

#define SIGPOLL   29

Pollable event occurred.

SIGPROF

#define SIGPROF   27

Profiling timer expired.

SIGQUIT

#define SIGQUIT   3

Quit.

SIGRTMAX

#define SIGRTMAX   (SIGRTMIN + RTSIG_MAX)

SIGRTMIN

#define SIGRTMIN   32

SIGSEGV

#define SIGSEGV   11

Invalid memory reference.

SIGSTOP

#define SIGSTOP   19

Stop executing.

SIGSYS

#define SIGSYS   31

Bad system call.

SIGTERM

#define SIGTERM   15

Terminated.

SIGTRAP

#define SIGTRAP   5

Trace/breakpoint trap.

SIGTSTP

#define SIGTSTP   20

Stopped.

SIGTTIN

#define SIGTTIN   21

Stopped (read)

SIGTTOU

#define SIGTTOU   22

Stopped (write)

SIGURG

#define SIGURG   23

Urgent I/O condition.

SIGUSR1

#define SIGUSR1   10

User-defined signal 1.

SIGUSR2

#define SIGUSR2   12

User-defined signal 2.

SIGVTALRM

#define SIGVTALRM   26

Virtual timer expired.

SIGXCPU

#define SIGXCPU   24

CPU time limit exceeded.

SIGXFSZ

#define SIGXFSZ   25

File size limit exceeded.

Typedef Documentation

sig_atomic_t

typedef int sig_atomic_t

sighandler_t

typedef void(* sighandler_t) (int signo)

Function Documentation

alarm()

unsigned int alarm

(

unsigned int

seconds

)

kill()

int kill	(	pid_t	pid,
		int	sig )

pause()

int pause

(

void

)

pthread_sigmask()

int pthread_sigmask	(	int	how,
		const sigset_t *ZRESTRICT	set,
		sigset_t *ZRESTRICT	oset )

raise()

int raise

(

int

signo

)

sigaction()

int sigaction	(	int	sig,
		const struct sigaction *ZRESTRICT	act,
		struct sigaction *ZRESTRICT	oact )

sigaddset()

int sigaddset	(	sigset_t *	set,
		int	signo )

sigdelset()

int sigdelset	(	sigset_t *	set,
		int	signo )

sigemptyset()

int sigemptyset

(

sigset_t *

set

)

sigfillset()

int sigfillset

(

sigset_t *

set

)

sigismember()

int sigismember	(	const sigset_t *	set,
		int	signo )

signal()

sighandler_t signal	(	int	signo,
		sighandler_t	handler )

sigpending()

int sigpending

(

sigset_t *

set

)

sigprocmask()

int sigprocmask	(	int	how,
		const sigset_t *ZRESTRICT	set,
		sigset_t *ZRESTRICT	oset )

sigsuspend()

int sigsuspend

(

const sigset_t *

sigmask

)

sigwait()

int sigwait	(	const sigset_t *ZRESTRICT	set,
		int *ZRESTRICT	signo )

strsignal()

char * strsignal

(

int

signum

)