Subversion Repositories openrisc_2011-10-31

/* 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;

}