mirror of git://gcc.gnu.org/git/gcc.git
57 lines
1.2 KiB
C
57 lines
1.2 KiB
C
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
int
|
|
main ()
|
|
{
|
|
#pragma omp parallel
|
|
#pragma omp single
|
|
{
|
|
int x = 1, y = 2, z = 3;
|
|
#pragma omp taskgroup
|
|
{
|
|
#pragma omp task shared (x, y, z) depend(inout: x, y) \
|
|
depend (in: z) if (x > 10)
|
|
{
|
|
if (x != 1 || y != 2 || z != 3)
|
|
abort ();
|
|
x = 4;
|
|
y = 5;
|
|
}
|
|
/* The above task has depend clauses, but no dependencies
|
|
on earlier tasks, and is if (0), so must be scheduled
|
|
immediately. */
|
|
if (x != 4 || y != 5)
|
|
abort ();
|
|
}
|
|
#pragma omp taskgroup
|
|
{
|
|
#pragma omp task shared (x, y) depend(in: x, y)
|
|
{
|
|
usleep (10000);
|
|
if (x != 4 || y != 5 || z != 3)
|
|
abort ();
|
|
}
|
|
#pragma omp task shared (x, y) depend(in: x, y)
|
|
{
|
|
usleep (10000);
|
|
if (x != 4 || y != 5 || z != 3)
|
|
abort ();
|
|
}
|
|
#pragma omp task shared (x, y, z) depend(inout: x, y) \
|
|
depend (in: z) if (x > 10)
|
|
{
|
|
if (x != 4 || y != 5 || z != 3)
|
|
abort ();
|
|
x = 6;
|
|
y = 7;
|
|
}
|
|
/* The above task has depend clauses, and may have dependencies
|
|
on earlier tasks, while it is if (0), it can be deferred. */
|
|
}
|
|
if (x != 6 || y != 7)
|
|
abort ();
|
|
}
|
|
return 0;
|
|
}
|