.\" Copyright (c) 2008, Linux Foundation, written by Michael Kerrisk
.\" <mtk.manpages@gmail.com>
.\"
+.\" %%%LICENSE_START(VERBATIM)
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-.TH SIGWAIT 3 2010-09-10 "Linux" "Linux Programmer's Manual"
+.TH SIGWAIT 3 2013-12-16 "Linux" "Linux Programmer's Manual"
.SH NAME
sigwait \- wait for a signal
.SH SYNOPSIS
.SH DESCRIPTION
The
.BR sigwait ()
-function suspends execution of the calling thread until the
-delivery of one of the signals specified in the signal set
-.IR set .
+function suspends execution of the calling thread until
+one of the signals specified in the signal set
+.IR set
+becomes pending.
The function accepts the signal
(removes it from the pending list of signals),
and returns the signal number in
except that:
.IP * 2
.BR sigwait ()
-only returns the signal number, rather than a
+returns only the signal number, rather than a
.I siginfo_t
structure describing the signal.
.IP *
.\" Does not occur for glibc.
.I set
contains an invalid signal number.
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR sigwait ()
+function is thread-safe.
.SH CONFORMING TO
POSIX.1-2001.
.SH NOTES
.BR sigwaitinfo (2),
.BR sigsetops (3),
.BR signal (7)
+.SH COLOPHON
+This page is part of release 3.65 of the Linux
+.I man-pages
+project.
+A description of the project,
+and information about reporting bugs,
+can be found at
+\%http://www.kernel.org/doc/man\-pages/.