mirror of
https://github.com/moses-smt/mosesdecoder.git
synced 2024-09-19 07:07:24 +03:00
69 lines
2.6 KiB
C
69 lines
2.6 KiB
C
/* $Header: /cvsroot/wikipedia/willow/src/bin/willow/daemon.c,v 1.1 2005/05/02 19:15:21 kateturner Exp $ */
|
|
/* $NetBSD: daemon.c,v 1.9 2003/08/07 16:42:46 agc Exp $ */
|
|
/*-
|
|
* Copyright (c) 1990, 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. 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.
|
|
*/
|
|
|
|
#if defined __SUNPRO_C || defined __DECC || defined __HP_cc
|
|
# pragma ident "@(#)$Header: /cvsroot/wikipedia/willow/src/bin/willow/daemon.c,v 1.1 2005/05/02 19:15:21 kateturner Exp $"
|
|
# pragma ident "$NetBSD: daemon.c,v 1.9 2003/08/07 16:42:46 agc Exp $"
|
|
#endif
|
|
|
|
#include <fcntl.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
int daemon(int nochdir, int noclose)
|
|
{
|
|
int fd;
|
|
|
|
switch (fork()) {
|
|
case -1:
|
|
return (-1);
|
|
case 0:
|
|
break;
|
|
default:
|
|
_exit(EXIT_SUCCESS);
|
|
}
|
|
|
|
if (setsid() == -1)
|
|
return (-1);
|
|
|
|
if (nochdir == 0)
|
|
(void)chdir("/");
|
|
|
|
if (noclose == 0 && (fd = open("/dev/null", O_RDWR, 0)) != -1) {
|
|
(void)dup2(fd, STDIN_FILENO);
|
|
(void)dup2(fd, STDOUT_FILENO);
|
|
(void)dup2(fd, STDERR_FILENO);
|
|
if (fd > STDERR_FILENO)
|
|
(void)close(fd);
|
|
}
|
|
return (0);
|
|
}
|