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3c06f6a0b2
openbsd-compat/. And resolve all ./configure and Makefile.in issues assocated. Logic: * All OpenBSD functions should have the same filename as in the OpenBSD tree * All 'home brew' functions have bsd-* infront of them. * All 'not really implemented' functions have fake-* infront of them.
82 lines
2.6 KiB
C
82 lines
2.6 KiB
C
/*-
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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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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#include "includes.h"
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#ifndef HAVE_DAEMON
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#if defined(LIBC_SCCS) && !defined(lint)
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static char rcsid[] = "$OpenBSD: daemon.c,v 1.2 1996/08/19 08:22:13 tholo Exp $";
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#endif /* LIBC_SCCS and not lint */
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int
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daemon(nochdir, noclose)
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int nochdir, 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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#ifdef HAVE_CYGWIN
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/*
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* This sleep avoids a race condition which kills the
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* child process if parent is started by a NT/W2K service.
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*/
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sleep(1);
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#endif
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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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(void)chdir("/");
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if (!noclose && (fd = open(_PATH_DEVNULL, O_RDWR, 0)) != -1) {
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(void)dup2(fd, STDIN_FILENO);
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(void)dup2(fd, STDOUT_FILENO);
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(void)dup2(fd, STDERR_FILENO);
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if (fd > 2)
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(void)close (fd);
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}
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return (0);
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}
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#endif /* !HAVE_DAEMON */
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