Viewing file:  depend-4.c (1.17 KB) -rw-r--r--
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#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;
}
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