SIGPENDING(2) System Calls 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(7) for descriptions of the following attributes:


+--------------------+-------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+--------------------+-------------------+
|Interface Stability | Standard |
+--------------------+-------------------+
|MT-Level | Async-Signal-Safe |
+--------------------+-------------------+

SEE ALSO

sigaction(2), sigprocmask(2), sigsetops(3C), attributes(7),
standards(7)

December 28, 1996 SIGPENDING(2)