Viewing file:  depobj-1.C (1.97 KB) -rw-r--r--
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#include <stdlib.h>
#include <omp.h>
void
dep (omp_depend_t &d1, omp_depend_t *d2)
{
int x = 1;
#pragma omp depobj (d1) depend(in: x)
#pragma omp depobj (*d2) depend(in: x)
#pragma omp depobj (d2[0]) update(out)
#pragma omp parallel
#pragma omp single
{
#pragma omp task shared (x) depend(depobj:*d2)
x = 2;
#pragma omp task shared (x) depend(depobj : d1)
if (x != 2)
abort ();
}
#pragma omp depobj (d2[0]) destroy
#pragma omp depobj (d1) destroy
}
template <typename T>
void
dep2 (T &d2)
{
T d1;
#pragma omp parallel
#pragma omp single
{
int x = 1;
#pragma omp depobj (d1) depend(out: x)
#pragma omp depobj (*&d2) depend (in:x)
#pragma omp depobj(d2)update(in)
#pragma omp task shared (x) depend(depobj :d1)
x = 2;
#pragma omp task shared (x) depend(depobj: d2)
if (x != 2)
abort ();
#pragma omp taskwait
#pragma omp depobj(d1)destroy
#pragma omp depobj((&d2)[0]) destroy
}
}
template <typename T>
void
dep3 (void)
{
T d[2];
#pragma omp parallel
{
int x = 1;
#pragma omp single
{
#pragma omp depobj(d[0]) depend(out:x)
#pragma omp depobj(d[1]) depend(in: x)
#pragma omp task shared (x) depend(depobj:*d)
x = 2;
#pragma omp task shared (x) depend(depobj:*(d + 1))
if (x != 2)
abort ();
}
}
#pragma omp depobj(d[0]) destroy
#pragma omp depobj(d[1]) destroy
}
int xx;
omp_depend_t dd1, dd2;
template <int N>
void
antidep (void)
{
xx = 1;
#pragma omp parallel
#pragma omp single
{
#pragma omp task shared(xx) depend(depobj:dd2)
if (xx != 1)
abort ();
#pragma omp task shared(xx) depend(depobj:dd1)
xx = 2;
}
}
int
main ()
{
omp_depend_t d1, d2, d3;
dep (d1, &d2);
dep2 <omp_depend_t> (d3);
dep3 <omp_depend_t> ();
#pragma omp depobj (dd1) depend (inout: xx)
#pragma omp depobj (dd2) depend (in : xx)
antidep <0> ();
#pragma omp depobj (dd2) destroy
#pragma omp depobj (dd1) destroy
return 0;
}
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