.\" Hey Emacs! This file is -*- nroff -*- source.
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.\" Copyright (c) 1992 Drew Eckhardt (drew@cs.colorado.edu), March 28, 1992
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.\" Modified by Michael Haardt (michael@moria.de)
.\" Modified Sat Jul 24 14:48:00 1993 by Rik Faith (faith@cs.unc.edu)
.\" Modified 1995 by Mike Battersby (mib@deakin.edu.au)
.\" Modified 2000 by aeb, following Michael Kerrisk
.\"
.TH PAUSE 2 2008-10-06 "Linux" "Linux Programmer's Manual"
.SH NAME
pause \- wait for signal
.SH SYNOPSIS
.B #include <unistd.h>
.sp
.B int pause(void);
.SH DESCRIPTION
.BR pause ()
causes the calling process (or thread) to sleep
until a signal is delivered that either terminates the process or causes
the invocation of a signal-catching function.
.SH RETURN VALUE
.BR pause ()
only returns when a signal was caught and the
signal-catching function returned.
In this case
.BR pause ()
returns \-1, and
.I errno
is set to
.\" .BR ERESTARTNOHAND .
.BR EINTR .
.SH ERRORS
.TP
.B EINTR
a signal was caught and the signal-catching function returned.
.SH CONFORMING TO
SVr4, 4.3BSD, POSIX.1-2001.
.SH SEE ALSO
.BR kill (2),
.BR select (2),
.BR signal (2),
.BR sigsuspend (2)