blob: f889ae20329eb31940fec09d9f1bd5af75490caf (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
// RUN: %libomp-compile-and-run
#include <stdio.h>
#include <stdlib.h>
#include <omp.h>
int a;
void inc_a() {
#pragma omp task
{
#pragma omp atomic
a++;
}
}
int main() {
int n;
int nth_outer;
omp_set_max_active_levels(2);
omp_set_dynamic(0);
for (n = 0; n < 200; ++n) {
a = 0;
#pragma omp parallel num_threads(8)
{
if (omp_get_thread_num() == 0)
nth_outer = omp_get_num_threads();
#pragma omp parallel num_threads(2)
{
int i;
#pragma omp master
for (i = 0; i < 50; ++i)
inc_a();
}
}
if (a != nth_outer * 50) {
fprintf(stderr, "error: a (%d) != %d\n", a, nth_outer * 50);
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
|