NAME
sigpending —
examine pending signals
SYNOPSIS
int sigpending(sigset_t *set);
DESCRIPTION
The sigpending () function shall store, in
the location referenced by the
set
argument, the set of signals that are blocked from delivery to the calling
thread and that are pending on the process or the calling thread.
RETURN VALUE
Upon successful completion, sigpending ()
shall return 0; otherwise, -1 shall be returned and
errno
set to indicate the error.
ERRORS
No errors are defined.
EXAMPLES
None.
APPLICATION USAGE
None.
RATIONALE
None.
FUTURE DIRECTIONS
None.
SEE ALSO
sigaddset(3), sigdelset(3), sigemptyset(3), sigfillset(3), sigismember(3), sigprocmask(3), the Base Definitions volume of IEEE Std 1003.1-2001 (“POSIX.1”), <signal.h>
CHANGE HISTORY
First released in Issue 3.
Issue 5
The DESCRIPTION is updated for alignment with the POSIX Threads Extension.
Issue 6
The SYNOPSIS is marked CX since the presence of this function in the <signal.h> header is an extension over the ISO C standard.
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