man sigpending (Appels systèmes) - examine pending signals
NAME
sigpending - examine pending signals
SYNOPSIS
#include <signal.h> int sigpending(sigset_t *set);
DESCRIPTION
sigpending() returns the set of signals that are pending for delivery to the calling thread (i.e., the signals which have been raised while blocked). The mask of pending signals is returned in set.
RETURN VALUE
sigpending() returns 0 on success and -1 on error.
ERRORS
- EFAULT
- set points to memory which is not a valid part of the process address space.
NOTES
CONFORMING TO
POSIX.1-2001.
BUGS
In versions of glibc up to and including 2.2.1, there is a bug in the wrapper function for sigpending() which means that information about pending real-time signals is not correctly returned.