sigpending(2)
NAME
sigpending - examine signals that are blocked and pending
SYNOPSIS
#include <signal.h>
int sigpending(sigset_t *set);
DESCRIPTION
The sigpending() function retrieves those signals that have
been sent to the calling process but are being blocked from
delivery by the calling process's signal mask. The signals
are stored in the space pointed to by the set argument.
RETURN VALUES
Upon successful completion, 0 is returned. Otherwise, -1 is
returned and errno is set to indicate the error.
ERRORS
The sigpending() function will fail if:
EFAULT
The set argument points to an illegal address.
ATTRIBUTES
See attributes(5) for descriptions of the following attri-
butes:
____________________________________________________________
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
|_____________________________|_____________________________|
| MT-Level | Async-Signal-Safe |
|_____________________________|_____________________________|
SEE ALSO
sigaction(2), sigprocmask(2), sigsetops(3C), attributes(5)
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