Libc-391.2.3.tar.gz

[apple/libc.git] / gen / FreeBSD / pause.3

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.\"     @(#)pause.3	8.1 (Berkeley) 6/4/93
.\" $FreeBSD: src/lib/libc/gen/pause.3,v 1.8 2001/10/01 16:08:51 ru Exp $
.\"
.Dd June 4, 1993
.Dt PAUSE 3
.Os
.Sh NAME
.Nm pause
.Nd stop until signal
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In unistd.h
.Ft int
.Fn pause void
.Sh DESCRIPTION
.Sy Pause is made obsolete by
.Xr sigsuspend 2 .
.Pp
The
.Fn pause
function
forces a process to pause until
a signal is received from either the
.Xr kill 2
function
or an interval timer.
(See
.Xr setitimer 2 . )
Upon termination of a signal handler started during a
.Fn pause ,
the
.Fn pause
call will return.
.Sh RETURN VALUES
Always returns \-1.
.Sh ERRORS
The
.Fn pause
function
always returns:
.Bl -tag -width Er
.It Bq Er EINTR
The call was interrupted.
.El
.Sh SEE ALSO
.Xr kill 2 ,
.Xr select 2 ,
.Xr sigsuspend 2
.Sh HISTORY
A
.Fn pause
syscall
appeared in
.At v6 .