1.\" Copyright (c) 1980, 1991 Regents of the University of California. 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. All advertising materials mentioning features or use of this software 13.\" must display the following acknowledgement: 14.\" This product includes software developed by the University of 15.\" California, Berkeley and its contributors. 16.\" 4. Neither the name of the University nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" from: @(#)pause.3 6.3 (Berkeley) 4/19/91 33.\" $Id: pause.3,v 1.2 1993/07/30 08:37:59 mycroft Exp $ 34.\" 35.Dd April 19, 1991 36.Dt PAUSE 3 37.Os BSD 4 38.Sh NAME 39.Nm pause 40.Nd stop until signal 41.Sh SYNOPSIS 42.Fd #include <unistd.h> 43.Ft int 44.Fn pause void 45.Sh DESCRIPTION 46.Bf -symbolic 47Pause is made obsolete by sigpause(3). 48.Ef 49.Pp 50The 51.Fn pause 52function 53forces a process to pause until 54a signal is received from either the 55.Xr kill 2 56function 57or an interval timer. 58(See 59.Xr setitimer 2 . ) 60Upon termination of a signal handler started during a 61.Fn pause , 62the 63.Fn pause 64call will return. 65.Sh RETURN VALUES 66Always returns \-1. 67.Sh ERRORS 68The 69.Fn pause 70function 71always returns: 72.Bl -tag -width [EINTR] 73.It Bq Er EINTR 74The call was interrupted. 75.El 76.Sh SEE ALSO 77.Xr kill 2 , 78.Xr select 2 , 79.Xr sigpause 2 80.Sh HISTORY 81A 82.Fn pause 83syscall 84appeared in 85.At v6 . 86