mirror of git://gcc.gnu.org/git/gcc.git
84 lines
1.2 KiB
C
84 lines
1.2 KiB
C
extern
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#ifdef __cplusplus
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"C"
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#endif
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void abort (void);
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void
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foo (int i, char *j)
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{
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#pragma omp atomic
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j[i]++;
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#pragma omp ordered threads
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{
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int t;
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#pragma omp atomic read
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t = j[i];
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if (t != 3)
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abort ();
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if (i > 1)
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{
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#pragma omp atomic read
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t = j[i - 1];
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if (t == 2)
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abort ();
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}
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if (i < 127)
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{
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#pragma omp atomic read
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t = j[i + 1];
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if (t == 4)
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abort ();
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}
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}
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#pragma omp atomic
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j[i]++;
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}
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int
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main ()
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{
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int i;
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char j[128];
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#pragma omp parallel
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{
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#pragma omp for
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for (i = 0; i < 128; i++)
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j[i] = 0;
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#pragma omp for ordered schedule(dynamic, 1)
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for (i = 0; i < 128; i++)
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{
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#pragma omp atomic
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j[i]++;
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#pragma omp ordered threads
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{
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int t;
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#pragma omp atomic read
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t = j[i];
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if (t != 1)
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abort ();
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if (i > 1)
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{
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#pragma omp atomic read
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t = j[i - 1];
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if (t == 0)
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abort ();
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}
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if (i < 127)
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{
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#pragma omp atomic read
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t = j[i + 1];
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if (t == 2)
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abort ();
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}
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}
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#pragma omp atomic
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j[i]++;
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}
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#pragma omp for ordered schedule(static, 1)
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for (i = 0; i < 128; i++)
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foo (i, j);
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}
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return 0;
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}
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