mirror of
https://github.com/GnoConsortium/gno.git
synced 2024-12-22 14:30:29 +00:00
70 lines
2.6 KiB
Groff
70 lines
2.6 KiB
Groff
.\" Copyright (c) 1986, 1991, 1993
|
|
.\" The Regents of the University of California. All rights reserved.
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\" 3. All advertising materials mentioning features or use of this software
|
|
.\" must display the following acknowledgement:
|
|
.\" This product includes software developed by the University of
|
|
.\" California, Berkeley and its contributors.
|
|
.\" 4. Neither the name of the University nor the names of its contributors
|
|
.\" may be used to endorse or promote products derived from this software
|
|
.\" without specific prior written permission.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
.\" SUCH DAMAGE.
|
|
.\"
|
|
.\" @(#)sleep.3 8.1 (Berkeley) 6/4/93
|
|
.\"
|
|
.TH SLEEP 3 "27 January 1997" GNO "Library Routines"
|
|
.SH NAME
|
|
.BR sleep
|
|
\- suspend process execution for interval of seconds
|
|
.SH SYNOPSIS
|
|
#include <unistd.h>
|
|
.sp 1
|
|
unsigned int
|
|
\fBsleep\fR (unsigned int \fIseconds\fR);
|
|
.SH DESCRIPTION
|
|
The
|
|
.BR sleep
|
|
function
|
|
suspends execution of the calling process
|
|
for
|
|
.I seconds
|
|
of time.
|
|
System activity or time spent in processing the
|
|
call may lengthen the sleep by a second.
|
|
Because scheduled wakeups occur at fixed 1-second intervals, the
|
|
actual suspension time may also be up to 1 second less than requested.
|
|
.LP
|
|
This function is implemented using
|
|
.BR alarm (2)
|
|
and
|
|
.BR sigpause (2).
|
|
.SH RETURN VALUES
|
|
This implementation of
|
|
.BR sleep
|
|
always returns zero.
|
|
.SH SEE ALSO
|
|
.BR sigpause (2)
|
|
.SH HISTORY
|
|
A
|
|
.BR sleep
|
|
function appeared in v7.
|