NAME

sigemptyset - initialise and empty a signal set

 SYNOPSIS

#include <signal.h>

int sigemptyset(sigset_t *set);

 DESCRIPTION

The sigemptyset() function initialises the signal set pointed to by set, such that all signals defined in this document are excluded.

 RETURN VALUE

Upon successful completion, sigemptyset() returns 0. Otherwise, it returns -1 and sets errno to indicate the error.

 ERRORS

No errors are defined.

 EXAMPLES

None.

 APPLICATION USAGE

None.

 FUTURE DIRECTIONS

None.

 SEE ALSO

sigaction(), sigaddset(), sigdelset(), sigfillset(), sigismember(), sigpending(), sigprocmask(), sigsuspend(), <signal.h>.

DERIVATION

Derived from the POSIX.1-1988 standard.