[mirror_ovs.git] / lib / lockfile.h

/* Copyright (c) 2008, 2009 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 LOCKFILE_H
#define LOCKFILE_H 1

struct lockfile;

char *lockfile_name(const char *file);
int lockfile_lock(const char *file, struct lockfile **);
void lockfile_unlock(struct lockfile *);
void lockfile_postfork(void);

#endif /* lib/lockfile.h */
Commit	Line	Data
e0edde6f	1	/* Copyright (c) 2008, 2009 Nicira, Inc.
ac718c9d BP	2	*
	3	* Licensed under the Apache License, Version 2.0 (the "License");
	4	* you may not use this file except in compliance with the License.
	5	* You may obtain a copy of the License at:
	6	*
	7	* http://www.apache.org/licenses/LICENSE-2.0
	8	*
	9	* Unless required by applicable law or agreed to in writing, software
	10	* distributed under the License is distributed on an "AS IS" BASIS,
	11	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	12	* See the License for the specific language governing permissions and
	13	* limitations under the License.
	14	*/
	15
	16	#ifndef LOCKFILE_H
	17	#define LOCKFILE_H 1
	18
	19	struct lockfile;
	20
	21	char lockfile_name(const char file);
4770e795	22	int lockfile_lock(const char file, struct lockfile *);
ac718c9d BP	23	void lockfile_unlock(struct lockfile *);
	24	void lockfile_postfork(void);
	25
	26	#endif /* lib/lockfile.h */