Commit | Line | Data |
---|---|---|
1c64a40d MJ |
1 | // SPDX-FileCopyrightText: 2023 Olivier Dion <odion@efficios.com> |
2 | // | |
3 | // SPDX-License-Identifier: GPL-2.0-or-later | |
4 | ||
9e4e7ad1 OD |
5 | /* Common states for benchmarks. */ |
6 | ||
7 | #include <unistd.h> | |
8 | ||
9 | #include <urcu/uatomic.h> | |
10 | ||
11 | extern volatile int _test_go, _test_stop; | |
12 | ||
13 | static inline void complete_sleep(unsigned int seconds) | |
14 | { | |
15 | while (seconds != 0) { | |
16 | seconds = sleep(seconds); | |
17 | } | |
18 | } | |
19 | ||
20 | static inline void begin_test(void) | |
21 | { | |
22 | uatomic_store(&_test_go, 1, CMM_RELEASE); | |
23 | } | |
24 | ||
25 | static inline void end_test(void) | |
26 | { | |
27 | uatomic_store(&_test_stop, 1, CMM_RELAXED); | |
28 | } | |
29 | ||
30 | static inline void test_for(unsigned int duration) | |
31 | { | |
32 | begin_test(); | |
33 | complete_sleep(duration); | |
34 | end_test(); | |
35 | } | |
36 | ||
37 | static inline void wait_until_go(void) | |
38 | { | |
39 | while (!uatomic_load(&_test_go, CMM_ACQUIRE)) | |
40 | { | |
41 | } | |
42 | } | |
43 | ||
44 | /* | |
45 | * returns 0 if test should end. | |
46 | */ | |
47 | static inline int test_duration_write(void) | |
48 | { | |
49 | return !uatomic_load(&_test_stop, CMM_RELAXED); | |
50 | } | |
51 | ||
52 | static inline int test_duration_read(void) | |
53 | { | |
54 | return !uatomic_load(&_test_stop, CMM_RELAXED); | |
55 | } |