pause.2

Unix操作系统minix 2.0源码

.\" Copyright (c) 1980 Regents of the University of California.
.\" All rights reserved.  The Berkeley software License Agreement
.\" specifies the terms and conditions for redistribution.
.\"
.\"	@(#)pause.3c	6.1 (Berkeley) 5/9/85
.\"
.TH PAUSE 2 "May 9, 1985"
.UC 4
.SH NAME
pause \- stop until signal
.SH SYNOPSIS
.nf
.ft B
#include <unistd.h>

int pause(void)
.ft R
.fi
.SH DESCRIPTION
.B Pause
never returns normally.
It is used to give up control while waiting for
a signal from
.BR kill (2)
or the alarm timer, see
.BR alarm (2).
Upon termination of a signal handler started during a
.B pause,
the
.B pause
call will return.
.SH "RETURN VALUE
Always returns \-1.
.SH ERRORS
.B Pause
always returns:
.TP 15
[EINTR]
The call was interrupted.
.SH "SEE ALSO
.BR alarm (2),
.BR kill (2),
.BR sigsuspend (2).