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/* { dg-do run { target *-*-linux* } } */
#ifndef _GNU_SOURCE
#define _GNU_SOURCE 1
#endif
#include <pthread.h>
#include <omp.h>
#include <stdio.h>
#include <stdlib.h>
pthread_barrier_t bar;
void *tf (void *p)
{
int l;
if (p)
omp_set_num_threads (3);
pthread_barrier_wait (&bar);
if (!p)
omp_set_num_threads (6);
pthread_barrier_wait (&bar);
omp_set_dynamic (0);
if (omp_get_max_threads () != (p ? 3 : 6))
abort ();
l = 0;
#pragma omp parallel num_threads (6) reduction (|:l)
{
l |= omp_get_max_threads () != (p ? 3 : 6);
omp_set_num_threads ((p ? 3 : 6) + omp_get_thread_num ());
l |= omp_get_max_threads () != ((p ? 3 : 6) + omp_get_thread_num ());
}
if (l)
abort ();
return NULL;
}
int
main (void)
{
pthread_t th;
pthread_barrier_init (&bar, NULL, 2);
pthread_create (&th, NULL, tf, NULL);
tf ("");
pthread_join (th, NULL);
return 0;
}
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