FreeBSD Manual Pages
SIGSETOPS(3) Linux Programmer's Manual SIGSETOPS(3) NAME sigemptyset, sigfillset, sigaddset, sigdelset, sigismember - POSIX sig- nal set operations. SYNOPSIS #include <signal.h> int sigemptyset(sigset_t *set); int sigfillset(sigset_t *set); int sigaddset(sigset_t *set, int signum); int sigdelset(sigset_t *set, int signum); int sigismember(const sigset_t *set, int signum); DESCRIPTION The sigsetops(3) functions allow the manipulation of POSIX signal sets. sigemptyset initializes the signal set given by set to empty, with all signals excluded from the set. sigfillset initializes set to full, including all signals. sigaddset and sigdelset add and delete respectively signal signum from set. sigismember tests whether signum is a member of set. RETURN VALUE sigemptyset, sigfillset, sigaddset and sigdelset return 0 on success and -1 on error. sigismember returns 1 if signum is a member of set, 0 if signum is not a member, and -1 on error. ERRORS EINVAL sig is not a valid signal. CONFORMING TO POSIX SEE ALSO sigaction(2), sigpending(2), sigprocmask(2), sigsuspend(2) Linux 1.0 1994-09-24 SIGSETOPS(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ERRORS | CONFORMING TO | SEE ALSO
Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=sigsetops&sektion=3&manpath=Red+Hat+9>