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