sigismember()

See if a given signal is in a given set

Synopsis:

#include <signal.h>

int sigismember( const sigset_t *set,
                 int signo );

Library:

libc

Description:

The sigismember() function tests if signo is in the set pointed to by set.

Returns:

1: The signo is in the set.
0: The signo isn't in the set.
-1: An error occurred; errno is set.

Errors:

EINVAL: The signal signo isn't valid.

Examples:

See sigemptyset().

Classification:

Safety:
Cancellation point	No
Interrupt handler	Yes
Signal handler	Yes
Thread	Yes

See also:

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