[thirdparty/systemd.git] / src / basic / lockfile-util.h

#pragma once

/***
  This file is part of systemd.

  Copyright 2011 Lennart Poettering

  systemd is free software; you can redistribute it and/or modify it
  under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation; either version 2.1 of the License, or
  (at your option) any later version.

  systemd 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
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public License
  along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/

#include <stddef.h>

#include "macro.h"
#include "missing.h"

typedef struct LockFile {
        char *path;
        int fd;
        int operation;
} LockFile;

int make_lock_file(const char *p, int operation, LockFile *ret);
int make_lock_file_for(const char *p, int operation, LockFile *ret);
void release_lock_file(LockFile *f);

#define _cleanup_release_lock_file_ _cleanup_(release_lock_file)

#define LOCK_FILE_INIT { .fd = -1, .path = NULL }
Commit	Line	Data
cd2eb9e9 CW	1	#pragma once
	2
	3	/***
	4	This file is part of systemd.
	5
	6	Copyright 2011 Lennart Poettering
	7
	8	systemd is free software; you can redistribute it and/or modify it
	9	under the terms of the GNU Lesser General Public License as published by
	10	the Free Software Foundation; either version 2.1 of the License, or
	11	(at your option) any later version.
	12
	13	systemd is distributed in the hope that it will be useful, but
	14	WITHOUT ANY WARRANTY; without even the implied warranty of
	15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	16	Lesser General Public License for more details.
	17
	18	You should have received a copy of the GNU Lesser General Public License
	19	along with systemd; If not, see <http://www.gnu.org/licenses/>.
	20	***/
	21
11c3a366 TA	22	#include <stddef.h>
11c3a366 TA	23
cd2eb9e9 CW	24	#include "macro.h"
	25	#include "missing.h"
	26
	27	typedef struct LockFile {
	28	char *path;
	29	int fd;
	30	int operation;
	31	} LockFile;
	32
	33	int make_lock_file(const char p, int operation, LockFile ret);
	34	int make_lock_file_for(const char p, int operation, LockFile ret);
	35	void release_lock_file(LockFile *f);
	36
	37	#define _cleanup_release_lock_file_ _cleanup_(release_lock_file)
	38
	39	#define LOCK_FILE_INIT { .fd = -1, .path = NULL }