mirror of git://gcc.gnu.org/git/gcc.git
54 lines
881 B
C
54 lines
881 B
C
/* { dg-do run } */
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/* { dg-set-target-env-var OMP_CANCELLATION "true" } */
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#include <stdlib.h>
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#include <unistd.h>
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#include <omp.h>
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static void
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foo (int *x)
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{
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#pragma omp parallel firstprivate(x) num_threads (32)
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{
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int thr = omp_get_thread_num ();
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switch (x[thr])
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{
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case 4:;
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#pragma omp cancel parallel
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break;
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case 3:
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#pragma omp task
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usleep (1000);
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#pragma omp task
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usleep (2000);
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#pragma omp task
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usleep (4000);
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break;
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case 2:
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usleep (1000);
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/* FALLTHRU */
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case 1:;
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#pragma omp cancellation point parallel
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break;
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}
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#pragma omp barrier
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if (omp_get_cancellation ())
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abort ();
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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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int i, j, x[32] = { 0, 1, 2, 4, 2, 2, 1, 0 };
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foo (x);
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for (i = 0; i < 32; i++)
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{
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for (j = 0; j < 32; j++)
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x[j] = rand () & 3;
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x[rand () & 31] = 4;
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foo (x);
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}
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return 0;
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}
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