937fa5fb78
29 lines
764 B
C
29 lines
764 B
C
int
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main ()
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{
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int a, b, c, d;
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#pragma omp parallel num_threads (6)
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#pragma omp single
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{
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#pragma omp task depend(out: c)
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c = 1;
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#pragma omp task depend(out: a)
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a = 2;
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#pragma omp task depend(out: b)
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b = 3;
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/* The above 3 tasks can be scheduled in any order. */
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#pragma omp task depend(in: a) depend(mutexinoutset: c)
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c += a;
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#pragma omp task depend(in: b) depend(mutexinoutset: c)
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c += b;
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/* The above 2 tasks are mutually exclusive and need to wait
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for the first and second or first and third tasks respectively. */
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#pragma omp task depend(in: c)
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d = c;
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/* The above task needs to wait for the mutexinoutset tasks. */
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}
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if (d != 6)
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__builtin_abort ();
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return 0;
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}
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