signal.h File Reference

#include <sys/types.h>

Go to the source code of this file.

Macros
ISO C99 Signals
Note This list based on the bits/signum-generic.h file in glibc.
#define	SIGINT   2
	Interactive attention signal.
#define	SIGILL   4
	Illegal instruction.
#define	SIGABRT   6
	Abnormal termination.
#define	SIGFPE   8
	Erroneous arithmetic operation.
#define	SIGSEGV   11
	Invalid access to storage.
#define	SIGTERM   15
	Termination request.
POSIX.1-2008 Signals
Note This list based on the bits/signum-generic.h file in glibc.
#define	SIGHUP   1
	Hangup.
#define	SIGQUIT   3
	Quit.
#define	SIGTRAP   5
	Trace/breakpoint trap.
#define	SIGKILL   9
	Killed.
#define	SIGBUS   10
	Bus error.
#define	SIGSYS   12
	Bad system call.
#define	SIGPIPE   13
	Broken pipe.
#define	SIGALRM   14
	Alarm clock.
#define	SIGURG   16
	Urgent data is available at a socket.
#define	SIGSTOP   17
	Stop, unblockable.
#define	SIGTSTP   18
	Keyboard stop.
#define	SIGCONT   19
	Continue.
#define	SIGCHLD   20
	Child terminated or stopped.
#define	SIGTTIN   21
	Background read from control terminal.
#define	SIGTTOU   22
	Background write to control terminal.
#define	SIGPOLL   23
	Pollable event occurred (System V).
#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	SIGUSR1   30
	User-defined signal 1.
#define	SIGUSR2   31
	User-defined signal 2.

Functions
Signal Functions
C int	kill (pid_t pid, int sig)
	Send a signal to a process or a group of processes.