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.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved 
.TH "SIGPENDING" 3P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
.\" sigpending 
.SH PROLOG
This manual page is part of the POSIX Programmer's Manual.
The Linux implementation of this interface may differ (consult
the corresponding Linux manual page for details of Linux behavior),
or the interface may not be implemented on Linux.
.SH NAME
sigpending \- examine pending signals
.SH SYNOPSIS
.LP
\fB#include <signal.h>
.br
.sp
int sigpending(sigset_t *\fP\fIset\fP\fB); \fP
\fB
.br
\fP
.SH DESCRIPTION
.LP
The \fIsigpending\fP() function shall store, in the location referenced
by the \fIset\fP argument, the set of signals that are
blocked from delivery to the calling thread and that are pending on
the process or the calling thread.
.SH RETURN VALUE
.LP
Upon successful completion, \fIsigpending\fP() shall return 0; otherwise,
-1 shall be returned and \fIerrno\fP set to indicate
the error.
.SH ERRORS
.LP
No errors are defined.
.LP
\fIThe following sections are informative.\fP
.SH EXAMPLES
.LP
None.
.SH APPLICATION USAGE
.LP
None.
.SH RATIONALE
.LP
None.
.SH FUTURE DIRECTIONS
.LP
None.
.SH SEE ALSO
.LP
\fIsigaddset\fP(), \fIsigdelset\fP(), \fIsigemptyset\fP(), \fIsigfillset\fP(),
\fIsigismember\fP(), \fIsigprocmask\fP(), the Base Definitions
volume of
IEEE\ Std\ 1003.1-2001, \fI<signal.h>\fP
.SH COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form
from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
-- Portable Operating System Interface (POSIX), The Open Group Base
Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group. In the
event of any discrepancy between this version and the original IEEE and
The Open Group Standard, the original IEEE and The Open Group Standard
is the referee document. The original Standard can be obtained online at
http://www.opengroup.org/unix/online.html .

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