1 | // These functions are used to provide a signal-wait mechanism to enforce |
2 | // expected scheduling for the test cases. Conditional variable (s) needs to be |
3 | // shared! Initialize to 0 |
4 | #include <unistd.h> |
5 | |
6 | #define OMPT_SIGNAL(s) ompt_signal(&s) |
7 | // inline |
8 | void ompt_signal(int *s) { |
9 | #pragma omp atomic |
10 | (*s)++; |
11 | } |
12 | |
13 | #define OMPT_WAIT(s, v) ompt_wait(&s, v) |
14 | // wait for s >= v |
15 | // inline |
16 | void ompt_wait(int *s, int v) { |
17 | int wait = 0; |
18 | do { |
19 | usleep(useconds: 10); |
20 | #pragma omp atomic read |
21 | wait = (*s); |
22 | } while (wait < v); |
23 | } |
24 | |