1.\" $OpenBSD: pause.3,v 1.3 1997/06/13 13:12:31 deraadt Exp $ 2.\" 3.\" Copyright (c) 1980, 1991, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by the University of 17.\" California, Berkeley and its contributors. 18.\" 4. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.Dd June 4, 1993 35.Dt PAUSE 3 36.Os BSD 4 37.Sh NAME 38.Nm pause 39.Nd stop until signal 40.Sh SYNOPSIS 41.Fd #include <unistd.h> 42.Ft int 43.Fn pause void 44.Sh DESCRIPTION 45.Bf -symbolic 46Pause is made obsolete by 47.Xr sigsuspend 2 . 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 Er 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 setitimer 2 , 80.Xr sigsuspend 2 81.Sh HISTORY 82A 83.Fn pause 84syscall 85appeared in 86.At v6 . 87