gcc/libgomp/testsuite/libgomp.c/thread-limit-1.c
Marek Polacek c1d62412c3 affinity-1.c: Include <sys/wait.h>.
* testsuite/libgomp.c/affinity-1.c: Include <sys/wait.h>.
	* testsuite/libgomp.c/nqueens-1.c: Include <stdlib.h>.
	* testsuite/libgomp.c/thread-limit-1.c: Include <omp.h>
	* testsuite/libgomp.c/thread-limit-2.c: Likewise.

From-SVN: r215927
2014-10-06 11:54:24 +00:00

43 lines
888 B
C

/* { dg-do run } */
/* { dg-set-target-env-var OMP_THREAD_LIMIT "6" } */
#include <stdlib.h>
#include <unistd.h>
#include <omp.h>
int
main ()
{
if (omp_get_thread_limit () != 6)
return 0;
omp_set_dynamic (0);
omp_set_nested (1);
#pragma omp parallel num_threads (3)
if (omp_get_num_threads () != 3)
abort ();
#pragma omp parallel num_threads (3)
if (omp_get_num_threads () != 3)
abort ();
#pragma omp parallel num_threads (8)
if (omp_get_num_threads () > 6)
abort ();
#pragma omp parallel num_threads (6)
if (omp_get_num_threads () != 6)
abort ();
int cnt = 0;
#pragma omp parallel num_threads (5)
#pragma omp parallel num_threads (5)
#pragma omp parallel num_threads (2)
{
int v;
#pragma omp atomic capture
v = ++cnt;
if (v > 6)
abort ();
usleep (10000);
#pragma omp atomic
--cnt;
}
return 0;
}