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/* { dg-do run } */
#include <omp.h>
#include <assert.h>
/* Test tasks with detach clause. Each thread spawns off a chain of tasks
in a taskgroup, that can then be executed by any available thread. */
int main (void)
{
int x = 0, y = 0, z = 0;
int thread_count;
omp_event_handle_t detach_event1, detach_event2;
#pragma omp parallel private (detach_event1, detach_event2)
#pragma omp taskgroup
{
#pragma omp single
thread_count = omp_get_num_threads ();
#pragma omp task detach (detach_event1) untied
#pragma omp atomic update
x++;
#pragma omp task detach (detach_event2) untied
{
#pragma omp atomic update
y++;
omp_fulfill_event (detach_event1);
}
#pragma omp task untied
{
#pragma omp atomic update
z++;
omp_fulfill_event (detach_event2);
}
}
assert (x == thread_count);
assert (y == thread_count);
assert (z == thread_count);
}
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