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/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef DAEMON_H
#define DAEMON_H 1
#include <limits.h>
#include <stdbool.h>
#include <sys/types.h>
#define DAEMON_OPTION_ENUMS \
OPT_DETACH, \
OPT_NO_CHDIR, \
OPT_OVERWRITE_PIDFILE, \
OPT_PIDFILE, \
OPT_MONITOR
#define DAEMON_LONG_OPTIONS \
{"detach", no_argument, NULL, OPT_DETACH}, \
{"no-chdir", no_argument, NULL, OPT_NO_CHDIR}, \
{"pidfile", optional_argument, NULL, OPT_PIDFILE}, \
{"overwrite-pidfile", no_argument, NULL, OPT_OVERWRITE_PIDFILE}, \
{"monitor", no_argument, NULL, OPT_MONITOR}
#define DAEMON_OPTION_HANDLERS \
case OPT_DETACH: \
set_detach(); \
break; \
\
case OPT_NO_CHDIR: \
set_no_chdir(); \
break; \
\
case OPT_PIDFILE: \
set_pidfile(optarg); \
break; \
\
case OPT_OVERWRITE_PIDFILE: \
ignore_existing_pidfile(); \
break; \
\
case OPT_MONITOR: \
daemon_set_monitor(); \
break;
char *make_pidfile_name(const char *name);
void set_pidfile(const char *name);
const char *get_pidfile(void);
void set_no_chdir(void);
bool is_chdir_enabled(void);
void set_detach(void);
bool get_detach(void);
void daemon_set_monitor(void);
void daemon_save_fd(int fd);
void daemonize(void);
void daemonize_start(void);
void daemonize_complete(void);
void ignore_existing_pidfile(void);
void daemon_usage(void);
pid_t read_pidfile(const char *name);
pid_t read_pidfile_if_exists(const char *name);
pid_t fork_and_clean_up(void);
#endif /* daemon.h */
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