Viewing file:  sections-1.c (1.3 KB) -rw-r--r--
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/* Test that all sections are touched. */
/* { dg-require-effective-target sync_int_long } */
#include <omp.h>
#include <string.h>
#include <assert.h>
#include "libgomp_g.h"
#define N 100
static int data[N];
static int NTHR;
static void clean_data (void)
{
memset (data, -1, sizeof (data));
}
static void test_data (void)
{
int i;
for (i = 0; i < N; ++i)
assert (data[i] != -1);
}
static void set_data (unsigned i, int val)
{
int old;
assert (i >= 1 && i <= N);
old = __sync_lock_test_and_set (data+i-1, val);
assert (old == -1);
}
static void f_1 (void *dummy)
{
int iam = omp_get_thread_num ();
unsigned long s;
for (s = GOMP_sections_start (N); s ; s = GOMP_sections_next ())
set_data (s, iam);
GOMP_sections_end ();
}
static void test_1 (void)
{
clean_data ();
GOMP_parallel_start (f_1, NULL, NTHR);
f_1 (NULL);
GOMP_parallel_end ();
test_data ();
}
static void f_2 (void *dummy)
{
int iam = omp_get_thread_num ();
unsigned s;
while ((s = GOMP_sections_next ()))
set_data (s, iam);
GOMP_sections_end_nowait ();
}
static void test_2 (void)
{
clean_data ();
GOMP_parallel_sections_start (f_2, NULL, NTHR, N);
f_2 (NULL);
GOMP_parallel_end ();
test_data ();
}
int main()
{
omp_set_dynamic (0);
NTHR = 4;
test_1 ();
test_2 ();
return 0;
}
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