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