1/* SPDX-License-Identifier: GPL-2.0-or-later
2 * Copyright (c) 2015-2016 Cyril Hrubis <chrubis@suse.cz>
3 */
4
5#ifndef TST_CHECKPOINT_FN__
6#define TST_CHECKPOINT_FN__
7
8/*
9 * Checkpoint initializaton, must be done first.
10 *
11 * NOTE: tst_tmpdir() must be called beforehand.
12 */
13void tst_checkpoint_init(const char *file, const int lineno,
14			 void (*cleanup_fn)(void));
15
16/*
17 * Waits for wakeup.
18 *
19 * @id: Checkpoint id, positive number
20 * @msec_timeout: Timeout in milliseconds, 0 == no timeout
21 */
22int tst_checkpoint_wait(unsigned int id, unsigned int msec_timeout);
23
24/*
25 * Wakes up sleeping process(es)/thread(s).
26 *
27 * @id: Checkpoint id, positive number
28 * @nr_wake: Number of processes/threads to wake up
29 * @msec_timeout: Timeout in milliseconds, 0 == no timeout
30 */
31int tst_checkpoint_wake(unsigned int id, unsigned int nr_wake,
32                        unsigned int msec_timeout);
33
34void tst_safe_checkpoint_wait(const char *file, const int lineno,
35                              void (*cleanup_fn)(void), unsigned int id,
36			      unsigned int msec_timeout);
37
38void tst_safe_checkpoint_wake(const char *file, const int lineno,
39                              void (*cleanup_fn)(void), unsigned int id,
40                              unsigned int nr_wake);
41
42#endif /* TST_CHECKPOINT_FN__ */
43