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/*
Copyright (C) 2008 Andreas Baumann <abaumann@yahoo.com>
This program 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 3 of the License, or
(at your option) any later version.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __PIDFILE_H
#define __PIDFILE_H
#include "port/limits.h" /* for PATH_MAX */
#include "port/stdbool.h" /* for bool */
#include "errors.h"
#include <sys/types.h> /* for pid_t */
struct pidfile_t {
char filename[PATH_MAX]; /**< the filename */
int fd; /**< file descriptor */
bool locked; /**< is the pidfile locked? */
bool running; /**< is another process locking too? */
};
void pidfile_init( struct pidfile_t *pidfile );
void pidfile_set_from_daemon_name( struct pidfile_t *pidfile, const char *name );
void pidfile_set_from_filename( struct pidfile_t *pidfile, const char *filename );
bool is_daemon_running( struct pidfile_t *pidfile, pid_t *pid, wolf_error_t *error );
wolf_error_t pidfile_create( struct pidfile_t *pidfile );
wolf_error_t pidfile_release( struct pidfile_t *pidfile );
wolf_error_t pidfile_remove( struct pidfile_t *pidfile );
#endif /* ifndef __PIDFILE_H */
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