1// RUN: %libomp-compile-and-run
2// RUN: env OMP_NUM_THREADS=1 %libomp-run
3// RUN: %libomp-compile -DUSE_HIDDEN_HELPERS=1
4// RUN: %libomp-run
5// RUN: env OMP_NUM_THREADS=1 %libomp-run
6#include <omp.h>
7
8int main(int argc, char *argv[]) {
9 int i;
10
11 omp_set_max_active_levels(1);
12 omp_set_dynamic(0);
13
14 for (i = 0; i < 10; ++i) {
15#pragma omp parallel
16 {
17#ifndef USE_HIDDEN_HELPERS
18 omp_event_handle_t event;
19#endif
20 int a = 0;
21
22#ifdef USE_HIDDEN_HELPERS
23#pragma omp target map(tofrom : a) nowait
24#else
25#pragma omp task shared(a) detach(event)
26#endif
27 { a = 1; }
28
29#pragma omp parallel
30 { a = 2; }
31
32#ifndef USE_HIDDEN_HELPERS
33 omp_fulfill_event(event);
34#endif
35
36#pragma omp taskwait
37 }
38 }
39 return 0;
40}
41

source code of openmp/runtime/test/tasking/issue-50602.c