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/* Trivial test of single. */
/* { dg-require-effective-target sync_int_long } */
#include <omp.h>
#include <sys/time.h>
#include <unistd.h>
#include <assert.h>
#include "libgomp_g.h"
static int test;
static void f_nocopy (void *dummy)
{
if (GOMP_single_start ())
{
int iam = omp_get_thread_num ();
int old = __sync_lock_test_and_set (&test, iam);
assert (old == -1);
}
}
static void f_copy (void *dummy)
{
int *x = GOMP_single_copy_start ();
if (x == NULL)
{
int iam = omp_get_thread_num ();
int old = __sync_lock_test_and_set (&test, iam);
assert (old == -1);
GOMP_single_copy_end (&test);
}
else
assert (x == &test);
}
int main()
{
omp_set_dynamic (0);
test = -1;
GOMP_parallel_start (f_nocopy, NULL, 3);
f_nocopy (NULL);
GOMP_parallel_end ();
test = -1;
GOMP_parallel_start (f_copy, NULL, 3);
f_copy (NULL);
GOMP_parallel_end ();
return 0;
}
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