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Seems that stupid libc5 doesn't implement daemon(), so conditionally
inclde that here. -Erik
This commit is contained in:
Eric Andersen
parent
2129f97cd9
commit
b2e3e9b0c9
2
Makefile
2
Makefile
@ -236,7 +236,7 @@ endif
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LIBBB = libbb
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LIBBB_LIB = libbb.a
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LIBBB_CSRC= ask_confirmation.c check_wildcard_match.c chomp.c copy_file.c \
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copy_file_chunk.c create_path.c device_open.c error_msg.c \
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copy_file_chunk.c create_path.c daemon.c device_open.c error_msg.c \
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find_mount_point.c find_pid_by_name.c find_root_device.c full_read.c \
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full_write.c get_console.c get_last_path_component.c get_line_from_file.c \
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human_readable.c inode_hash.c isdirectory.c kernel_version.c loop.c \
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@ -39,6 +39,8 @@
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#if ! defined __GLIBC__ && ! defined __UCLIBC__
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/* libc5 doesn't define socklen_t */
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typedef unsigned int socklen_t;
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/* libc5 doesn't implement BSD 4.4 daemon() */
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extern int daemon (int nochdir, int noclose);
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#endif
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/* Some useful definitions */
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103
libbb/daemon.c
Normal file
103
libbb/daemon.c
Normal file
@ -0,0 +1,103 @@
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/* vi: set sw=4 ts=4: */
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/*
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* daemon implementation for uClibc
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*
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Modified for uClibc by Erik Andersen
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* <andersee@debian.org>, <andersen@lineo.com>
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*
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* The uClibc Library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* The GNU C Library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with the GNU C Library; see the file COPYING.LIB. If not,
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* write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Original copyright notice is retained at the end of this file.
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*/
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#include <features.h>
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#include <fcntl.h>
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#include <paths.h>
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#include <unistd.h>
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/* Stupid libc doesn't have a reliable way for use to know
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* that libc5 is being used. Assume this is good enough */
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#if ! defined __GLIBC__ && ! defined __UCLIBC__
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int daemon( int nochdir, int noclose )
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{
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int fd;
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switch (fork()) {
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case -1:
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return(-1);
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case 0:
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break;
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default:
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_exit(0);
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}
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if (setsid() == -1)
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return(-1);
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if (!nochdir)
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chdir("/");
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if (!noclose && (fd = open(_PATH_DEVNULL, O_RDWR, 0)) != -1) {
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dup2(fd, STDIN_FILENO);
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dup2(fd, STDOUT_FILENO);
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dup2(fd, STDERR_FILENO);
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if (fd > 2)
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close(fd);
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}
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return(0);
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}
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#endif
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/*-
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. <BSD Advertising Clause omitted per the July 22, 1999 licensing change
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* ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change>
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*
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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@ -39,6 +39,8 @@
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#if ! defined __GLIBC__ && ! defined __UCLIBC__
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/* libc5 doesn't define socklen_t */
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typedef unsigned int socklen_t;
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/* libc5 doesn't implement BSD 4.4 daemon() */
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extern int daemon (int nochdir, int noclose);
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#endif
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/* Some useful definitions */
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