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SIGPENDING(2) | Linux Programmer's Manual | SIGPENDING(2) |
NAME¶
sigpending - examine pending signalsSYNOPSIS¶
#include <signal.h>Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
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)COLOPHON¶
This page is part of release 3.44 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.2008-10-04 | Linux |