mirror of
https://github.com/autc04/Retro68.git
synced 2024-12-01 11:52:47 +00:00
68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
int
|
|
main ()
|
|
{
|
|
int x = 0, y = 0, z = 0, err;
|
|
int shared_mem = 0;
|
|
#pragma omp target map(to: shared_mem)
|
|
shared_mem = 1;
|
|
#pragma omp parallel
|
|
#pragma omp single
|
|
{
|
|
#pragma omp task depend(in: x)
|
|
{
|
|
usleep (5000);
|
|
x = 1;
|
|
}
|
|
#pragma omp task depend(in: x)
|
|
{
|
|
usleep (6000);
|
|
y = 2;
|
|
}
|
|
#pragma omp task depend(out: z)
|
|
{
|
|
usleep (7000);
|
|
z = 3;
|
|
}
|
|
#pragma omp target enter data map(to: x, y, z) depend(inout: x, z) nowait
|
|
#pragma omp task depend(inout: x, z)
|
|
{
|
|
x++; y++; z++;
|
|
}
|
|
#pragma omp target update to(x, y) depend(inout: x) nowait
|
|
#pragma omp target enter data map(always, to: z) depend(inout: z) nowait
|
|
#pragma omp target map (alloc: x, y, z) map (from: err) depend(inout: x, z)
|
|
{
|
|
err = x != 2 || y != 3 || z != 4;
|
|
x = 5; y = 6; z = 7;
|
|
}
|
|
#pragma omp task depend(in: x)
|
|
{
|
|
usleep (5000);
|
|
if (!shared_mem)
|
|
x = 1;
|
|
}
|
|
#pragma omp task depend(in: x)
|
|
{
|
|
usleep (6000);
|
|
if (!shared_mem)
|
|
y = 2;
|
|
}
|
|
#pragma omp task depend(out: z)
|
|
{
|
|
usleep (3000);
|
|
if (!shared_mem)
|
|
z = 3;
|
|
}
|
|
#pragma omp target exit data map(release: z) depend(inout: z) nowait
|
|
#pragma omp target exit data map(from: x, y) depend(inout: x) nowait
|
|
#pragma omp target exit data map(from: z) depend(inout: z) nowait
|
|
#pragma omp taskwait
|
|
if (err || x != 5 || y != 6 || z != 7)
|
|
abort ();
|
|
}
|
|
return 0;
|
|
}
|