.\" Copyright (c) 1993 by Thomas Koenig (ig25@rz.uni-karlsruhe.de)
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.\" Modified Sat Jul 24 18:16:02 1993 by Rik Faith (faith@cs.unc.edu)
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.\" This file was generated with po4a. Translate the source file.
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.\" Japanese Version Copyright (c) 1997 YOSHINO Takashi
.\"       all rights reserved.
.\" Translated Tue Jan 21 20:46:24 JST 1997
.\"       by YOSHINO Takashi <yoshino@civil.jcn.nihon-u.ac.jp>
.\"
.TH SLEEP 3 2017\-09\-15 GNU "Linux Programmer's Manual"
.SH 名前
sleep \- 指定の秒数の間だけ休止する
.SH 書式
.nf
\fB#include <unistd.h>\fP
.PP
\fBunsigned int sleep(unsigned int \fP\fIseconds\fP\fB);\fP
.fi
.SH 説明
\fBsleep\fP()  causes the calling thread to sleep either until the number of
real\-time seconds specified in \fIseconds\fP have elapsed or until a signal
arrives which is not ignored.
.SH 返り値
要求された時間が過ぎた場合はゼロを返す。 呼び出しがシグナルハンドラーに割り込まれた場合は、 休止の残り時間を返す。
.SH 属性
この節で使用されている用語の説明については、 \fBattributes\fP(7) を参照。
.TS
allbox;
lb lb lbw27
l l l.
インターフェース	属性	値
T{
\fBsleep\fP()
T}	Thread safety	MT\-Unsafe sig:SIGCHLD/linux
.TE
.sp 1
.SH 準拠
POSIX.1\-2001, POSIX.1\-2008.
.SH 注意
On Linux, \fBsleep\fP()  is implemented via \fBnanosleep\fP(2).  See the
\fBnanosleep\fP(2)  man page for a discussion of the clock used.
.SS "Portability notes"
On some systems, \fBsleep\fP()  may be implemented using \fBalarm\fP(2)  and
\fBSIGALRM\fP (POSIX.1 permits this); mixing calls to \fBalarm\fP(2)  and
\fBsleep\fP()  is a bad idea.
.PP
休止中にシグナルハンドラーから \fBlongjmp\fP(3)  を使用することや \fBSIGALRM\fP
のハンドリングを変更することは、定義されていない結果を生む。
.SH 関連項目
 \fBsleep\fP(1), \fBalarm\fP(2), \fBnanosleep\fP(2), \fBsignal\fP(2), \fBsignal\fP(7)
.SH この文書について
この man ページは Linux \fIman\-pages\fP プロジェクトのリリース 5.10 の一部である。プロジェクトの説明とバグ報告に関する情報は
\%https://www.kernel.org/doc/man\-pages/ に書かれている。