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sigdelset()

Delete a signal from a set

Synopsis:

#include <signal.h>

int sigdelset( sigset_t *set, 
               int signo );

Arguments:

set

A pointer to the sigset_t object that you want to remove the signal from.

signo

The signal that you want to remove. For more information, see "POSIX signals" in the documentation for SignalAction().

Library:

libc

Use the -l c option to qcc to link against this library. This library is usually included automatically.

Description:

The sigdelset() function deletes signo from the set pointed to by set.

Returns:

0

Success.

-1

An error occurred (errno is set).

Errors:

EINVAL

The signal signo isn't valid.

Examples:

See sigemptyset().

Classification:

POSIX 1003.1

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

See also:

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

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