| 1 | // RUN: %libomp-compile-and-run |
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| 2 | #include <stdio.h> |
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| 3 | #include "omp_testsuite.h" |
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| 4 | |
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| 5 | int test_omp_single() |
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| 6 | { |
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| 7 | int nr_threads_in_single; |
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| 8 | int result; |
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| 9 | int nr_iterations; |
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| 10 | int i; |
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| 11 | |
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| 12 | nr_threads_in_single = 0; |
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| 13 | result = 0; |
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| 14 | nr_iterations = 0; |
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| 15 | |
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| 16 | #pragma omp parallel private(i) |
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| 17 | { |
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| 18 | for (i = 0; i < LOOPCOUNT; i++) { |
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| 19 | #pragma omp single |
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| 20 | { |
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| 21 | #pragma omp flush |
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| 22 | nr_threads_in_single++; |
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| 23 | #pragma omp flush |
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| 24 | nr_iterations++; |
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| 25 | nr_threads_in_single--; |
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| 26 | result = result + nr_threads_in_single; |
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| 27 | } |
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| 28 | } |
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| 29 | } |
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| 30 | return ((result == 0) && (nr_iterations == LOOPCOUNT)); |
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| 31 | } /* end of check_single*/ |
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| 32 | |
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| 33 | int main() |
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| 34 | { |
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| 35 | int i; |
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| 36 | int num_failed=0; |
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| 37 | |
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| 38 | for(i = 0; i < REPETITIONS; i++) { |
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| 39 | if(!test_omp_single()) { |
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| 40 | num_failed++; |
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| 41 | } |
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| 42 | } |
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| 43 | return num_failed; |
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| 44 | } |
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| 45 | |
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