Retro68/gcc/libgomp/testsuite/libgomp.c++/cancel-parallel-3.C
2014-09-21 19:33:12 +02:00

51 lines
850 B
C

// { dg-do run }
// { dg-set-target-env-var OMP_CANCELLATION "true" }
#include <omp.h>
#include <unistd.h>
#include "cancel-test.h"
static inline void
do_some_work (void)
{
asm volatile ("" : : : "memory");
}
void
foo ()
{
S a, b, c;
omp_set_dynamic (0);
omp_set_schedule (omp_sched_static, 1);
#pragma omp parallel num_threads (16) private (b) firstprivate (c)
{
S d;
int i, j;
b.bump ();
c.bump ();
do_some_work ();
#pragma omp barrier
if (omp_get_thread_num () == 1)
{
sleep (2);
#pragma omp cancellation point parallel
}
for (j = 3; j <= 16; j++)
#pragma omp for schedule (runtime) nowait
for (i = 0; i < j; i++)
do_some_work ();
if (omp_get_thread_num () == 0)
{
sleep (1);
#pragma omp cancel parallel
}
}
}
int
main ()
{
foo ();
S::verify ();
}