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/* { dg-do run { target *-*-linux* *-*-gnu* *-*-freebsd* } } */
#ifndef _GNU_SOURCE
#define _GNU_SOURCE 1
#endif
#include <pthread.h>
#include <omp.h>
#include <stdio.h>
#include <stdlib.h>
pthread_barrier_t bar;
omp_nest_lock_t lock;
void *tf (void *p)
{
int l;
if (p)
{
if (omp_test_nest_lock (&lock) != 1)
abort ();
if (omp_test_nest_lock (&lock) != 2)
abort ();
}
pthread_barrier_wait (&bar);
if (!p && omp_test_nest_lock (&lock) != 0)
abort ();
pthread_barrier_wait (&bar);
if (p)
{
if (omp_test_nest_lock (&lock) != 3)
abort ();
omp_unset_nest_lock (&lock);
omp_unset_nest_lock (&lock);
omp_unset_nest_lock (&lock);
}
pthread_barrier_wait (&bar);
if (!p)
{
if (omp_test_nest_lock (&lock) != 1)
abort ();
if (omp_test_nest_lock (&lock) != 2)
abort ();
omp_unset_nest_lock (&lock);
omp_unset_nest_lock (&lock);
}
return NULL;
}
int
main (void)
{
pthread_t th;
omp_init_nest_lock (&lock);
pthread_barrier_init (&bar, NULL, 2);
pthread_create (&th, NULL, tf, NULL);
tf ("");
pthread_join (th, NULL);
omp_destroy_nest_lock (&lock);
return 0;
}
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