1/**
2 * @file op_lockfile.h
3 * PID-based lockfile management
4 *
5 * @remark Copyright 2002 OProfile authors
6 * @remark Read the file COPYING
7 *
8 * @author John Levon
9 * @author Philippe Elie
10 */
11
12#ifndef OP_LOCKFILE_H
13#define OP_LOCKFILE_H
14
15#ifdef __cplusplus
16extern "C" {
17#endif
18
19#include <sys/types.h>
20
21/**
22 * op_write_lock_file - write a lock file
23 * \return errno on failure, or 0 on success
24 *
25 * Write the pid into the given lock file. Stale
26 * lock files are detected and reset.
27 */
28int op_write_lock_file(char const * file);
29
30#ifdef __cplusplus
31}
32#endif
33
34#endif /* OP_LOCKFILE_H */
35