/*****************************************************************************\ * daemonize.h - daemonization routine ***************************************************************************** * Copyright (C) 2002 The Regents of the University of California. * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). * Written by Mark Grondona . * CODE-OCEC-09-009. All rights reserved. * * This file is part of Slurm, a resource management program. * For details, see . * Please also read the included file: DISCLAIMER. * * Slurm is free software; you can redistribute it and/or modify it under * the terms of the GNU General Public License as published by the Free * Software Foundation; either version 2 of the License, or (at your option) * any later version. * * In addition, as a special exception, the copyright holders give permission * to link the code of portions of this program with the OpenSSL library under * certain conditions as described in each individual source file, and * distribute linked combinations including the two. You must obey the GNU * General Public License in all respects for all of the code used other than * OpenSSL. If you modify file(s) with this exception, you may extend this * exception to your version of the file(s), but you are not obligated to do * so. If you do not wish to do so, delete this exception statement from your * version. If you delete this exception statement from all source files in * the program, then also delete it here. * * Slurm is distributed in the hope that it will be useful, but WITHOUT ANY * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more * details. * * You should have received a copy of the GNU General Public License along * with Slurm; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. \*****************************************************************************/ #ifndef _HAVE_DAEMONIZE_H #define _HAVE_DAEMONIZE_H /* * Fork process into background and inherit new session. * * Returns -1 on error. */ extern int xdaemon(void); /* Write pid into file pidfile if uid is not 0 change the owner of the * pidfile to that user. */ extern int create_pidfile(const char *pidfilename, uid_t uid); /* * Attempt to read an old pid from the configured pidfile * Returns 0 if no pidfile exists (No running process) * If pidfilefd is not NULL, returns open file descriptor for * pidfile (when pid != 0). */ extern pid_t read_pidfile(const char *pidfilename, int *pidfilefd); /* * Test for a core file limit. If small then log it. */ extern void test_core_limit(void); #endif /* !_HAVE_DAEMONIZE_H */