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.
CONFORMING TO
POSIX.1-2001.
NOTES
See sigsetops(3) for details on
manipulating signal sets.
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.
SEE ALSO
kill(2), sigaction(2), signal(2), sigprocmask(2), sigsuspend(2), sigsetops(3), signal(7)
Copyright (c) 2005 Michael Kerrisk
based on earlier work by faith@cs.unc.edu and
Mike Battersby <mib@deakin.edu.au>
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2005-09-15, mtk, Created new page by splitting off from sigaction.2
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