d4c2e0448882de998c227ccd51338dba3ebe1dfd
1 /* vi: set sw=4 ts=4: */
2 /* daemon implementation for uClibc
4 * Copyright (c) 1991, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Modified for uClibc by Erik Andersen <andersee@debian.org>
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU Library General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or (at your
12 * option) any later version.
14 * This program is distributed in the hope that it will be useful, but WITHOUT
15 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
19 * You should have received a copy of the GNU Library General Public License
20 * along with this program; if not, write to the Free Software Foundation,
21 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 * Original copyright notice is retained at the end of this file.
32 /* Note that this file should not be compiled in
33 * unless __UCLIBC_HAS_MMU__ is defined */
35 int daemon( int nochdir
, int noclose
)
51 /* Make certain we are not a session leader, or else we
52 * might reacquire a controlling terminal */
59 if (!noclose
&& (fd
= open(_PATH_DEVNULL
, O_RDWR
, 0)) != -1) {
60 dup2(fd
, STDIN_FILENO
);
61 dup2(fd
, STDOUT_FILENO
);
62 dup2(fd
, STDERR_FILENO
);
72 * Copyright (c) 1990, 1993
73 * The Regents of the University of California. All rights reserved.
75 * Redistribution and use in source and binary forms, with or without
76 * modification, are permitted provided that the following conditions
78 * 1. Redistributions of source code must retain the above copyright
79 * notice, this list of conditions and the following disclaimer.
80 * 2. Redistributions in binary form must reproduce the above copyright
81 * notice, this list of conditions and the following disclaimer in the
82 * documentation and/or other materials provided with the distribution.
84 * 3. <BSD Advertising Clause omitted per the July 22, 1999 licensing change
85 * ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change>
87 * 4. Neither the name of the University nor the names of its contributors
88 * may be used to endorse or promote products derived from this software
89 * without specific prior written permission.
91 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
92 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
93 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
94 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
95 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
96 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
97 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
98 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
99 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
100 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF