llvm-project/openmp/runtime/test/tasking/nested_parallel_tasking.c

33 lines
656 B
C

// RUN: %libomp-compile-and-run
#include <stdio.h>
#include <omp.h>
/*
* This test would hang when level instead of active level
* used to push task state.
*/
int main()
{
// If num_threads is changed to a value greater than 1, then the test passes
#pragma omp parallel num_threads(1)
{
#pragma omp parallel
printf("Hello World from thread %d\n", omp_get_thread_num());
}
printf("omp_num_threads: %d\n", omp_get_max_threads());
#pragma omp parallel
{
#pragma omp master
#pragma omp task default(none)
{
printf("%d is executing this task\n", omp_get_thread_num());
}
}
printf("pass\n");
return 0;
}