Retro68/gcc/libgomp/testsuite/libgomp.c/pr61200.c

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2015-08-28 15:33:40 +00:00
/* PR libgomp/61200 */
/* { dg-do run } */
#include <omp.h>
#include <stdlib.h>
#include <unistd.h>
volatile int x;
void
foo ()
{
int var = 1;
int i;
for (i = 0; i < 2; i++)
{
if (i == 1)
{
#pragma omp parallel num_threads(2)
if (x)
var++;
else
{
#pragma omp single
sleep (2);
}
}
else
{
#pragma omp task shared(var)
{
sleep (1);
var = 2;
}
}
}
#pragma omp taskwait
if (var != 2)
abort ();
}
void
bar ()
{
int var = 1;
int i;
for (i = 0; i < 2; i++)
{
if (i == 0)
{
#pragma omp task shared(var)
{
sleep (1);
var = 2;
}
}
else
{
#pragma omp parallel num_threads(2)
if (x)
var++;
else
{
#pragma omp single
sleep (2);
}
}
}
#pragma omp taskwait
if (var != 2)
abort ();
}
int
main ()
{
omp_set_nested (1);
#pragma omp parallel num_threads(2)
#pragma omp single
foo ();
#pragma omp parallel num_threads(2)
#pragma omp single
bar ();
return 0;
}