pause.2

来自「Unix操作系统minix 2.0源码」· 2 代码 · 共 44 行

.\" 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).