c76f9f0df8
Bug fix for hang when omp task and nested parallelism used together. Still some problem remains with task state saving/restoring, but user's case works fine now. All tasking unit tests passed as well. Patch by Andrey Churbanov Differential Revision: http://reviews.llvm.org/D21558 llvm-svn: 273297
33 lines
656 B
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;
|
|
}
|