mirror of
https://github.com/autc04/Retro68.git
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100 lines
1.9 KiB
C
100 lines
1.9 KiB
C
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#include <stdlib.h>
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#include <omp.h>
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void
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dep (void)
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{
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int x = 1;
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omp_depend_t d1, d2;
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#pragma omp depobj (d1) depend(in: x)
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#pragma omp depobj (d2) depend(in: x)
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#pragma omp depobj (d2) update(out)
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#pragma omp parallel
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#pragma omp single
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{
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#pragma omp task shared (x) depend(depobj: d2)
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x = 2;
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#pragma omp task shared (x) depend(depobj: d1)
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if (x != 2)
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abort ();
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}
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#pragma omp depobj (d2) destroy
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#pragma omp depobj (d1) destroy
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}
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void
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dep2 (void)
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{
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#pragma omp parallel
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#pragma omp single
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{
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int x = 1;
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omp_depend_t d1, d2;
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#pragma omp depobj (d1) depend(out: x)
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#pragma omp depobj (*&d2) depend (in:x)
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#pragma omp depobj(d2)update(in)
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#pragma omp task shared (x) depend(depobj:d1)
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x = 2;
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#pragma omp task shared (x) depend(depobj : d2)
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if (x != 2)
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abort ();
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#pragma omp taskwait
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#pragma omp depobj(d1)destroy
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#pragma omp depobj((&d2)[0]) destroy
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}
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}
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void
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dep3 (void)
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{
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omp_depend_t d[2];
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#pragma omp parallel
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{
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int x = 1;
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#pragma omp single
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{
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#pragma omp depobj(d[0]) depend(out:x)
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#pragma omp depobj(d[1]) depend(in: x)
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#pragma omp task shared (x) depend(depobj: *d)
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x = 2;
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#pragma omp task shared (x) depend(depobj: *(d + 1))
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if (x != 2)
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abort ();
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}
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}
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#pragma omp depobj(d[0]) destroy
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#pragma omp depobj(d[1]) destroy
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}
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int xx;
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omp_depend_t dd1, dd2;
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void
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antidep (void)
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{
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xx = 1;
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#pragma omp parallel
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#pragma omp single
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{
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#pragma omp task shared(xx) depend(depobj:dd2)
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if (xx != 1)
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abort ();
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#pragma omp task shared(xx) depend(depobj:dd1)
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xx = 2;
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}
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}
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int
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main ()
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{
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dep ();
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dep2 ();
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dep3 ();
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#pragma omp depobj (dd1) depend (inout: xx)
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#pragma omp depobj (dd2) depend (in : xx)
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antidep ();
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#pragma omp depobj (dd2) destroy
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#pragma omp depobj (dd1) destroy
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return 0;
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}
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