sigaddset()

Add a signal to a set

Synopsis:

#include <signal.h>

int sigaddset( sigset_t *set, 
               int signo );

Library:

libc

Description:

The sigaddset() function adds signo to the set pointed to by set.

Returns:

0

Success.

-1

An error occurred; errno is set to indicate the error.

Errors:

EINVAL

The signal signo isn't valid.

Examples:

See sigemptyset().

Classification:

POSIX 1003.1

See also:

errno, kill(), raise(), sigaction(), sigdelset(), sigemptyset(), sigfillset(), sigismember(), signal(), sigpending(), sigprocmask()