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.\" Copyright (c) 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.
.\"
.\" @(#)daemon.3 8.1 (Berkeley) 6/9/93
.\" Added mentioning of glibc weirdness wrt unistd.h. 5/11/98, Al Viro
.\"
.\" Japanese Version Copyright (c) 2000-2001 Yuichi SATO
.\" all rights reserved.
.\" Translated Tue Jun 27 10:54:22 JST 2000
.\" by Yuichi SATO <sato@complex.eng.hokudai.ac.jp>
.\" Updated & Modified Mon Jan 14 06:50:04 JST 2002
.\" by Yuichi SATO <ysato@h4.dion.ne.jp>
.\"
.\"WORD: detach ʬΥ
.\"WORD: controlling terminal ü
.\"WORD: current working directory ȡǥ쥯ȥ
.\"WORD: global variable ѿ
.\"
.TH DAEMON 3 2009-02-23 "GNU" "Linux Programmer's Manual"
.SH ̾
daemon \- Хå饦ɤư
.SH
.B #include <unistd.h>
.sp
.BI "int daemon(int " nochdir ", int " noclose );
glibc εǽޥ
.RB ( feature_test_macros (7)
):
.SH
.BR daemon ()
ϡüʬΥƥƥǡȤư
ץΤδؿǤ롣
.PP
.I nochdir
0 ξ硢
.BR daemon ()
ϸߤκȥǥ쥯ȥ (current working directory)
롼 ("/") ѹ롣
.PP
.I noclose
0 ξ硢
.BR daemon ()
ϡɸϡɸϡɸ२顼 \fI/dev/null\fP ˥쥯Ȥ롣
.SH ֤
(δؿ fork
.BR fork (2)
ȡƥץǤ
.BR _exit (2)
ƤӽФΤǡʹߤΥ顼ϻҥץ餷ʤ)
.\" _ ˲ʤ褦ˤ뤿 .IR ϻȤʤ
0 ֤
顼ä硢
.BR daemon ()
\-1 ֤
ˡ
.I errno
.BR fork (2)
.BR setsid (2)
˴ؤƵꤵ줿顼ꤹ롣
.SH
POSIX.1-2001 ˤϤʤ
Ʊͤδؿ BSD ˤϸ롣
.BR daemon ()
ؿ 4.4BSD ǻϤо줷
.SH
.I /dev/null
¸ߤ뤬ꤹ㡼ֹȥޥʡֹ
饯ǥХǤʤä硢
glibc μǤ \-1 ֤롣
ξ硢
.I errno
ꤵɬפϤʤ
.SH Ϣ
.BR fork (2),
.BR setsid (2)
|
