| 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_get_num_threads() |
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| 6 | { |
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| 7 | /* checks that omp_get_num_threads is equal to the number of |
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| 8 | threads */ |
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| 9 | int nthreads_lib; |
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| 10 | int nthreads = 0; |
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| 11 | |
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| 12 | nthreads_lib = -1; |
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| 13 | |
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| 14 | #pragma omp parallel |
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| 15 | { |
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| 16 | #pragma omp critical |
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| 17 | { |
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| 18 | nthreads++; |
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| 19 | } /* end of critical */ |
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| 20 | #pragma omp single |
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| 21 | { |
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| 22 | nthreads_lib = omp_get_num_threads (); |
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| 23 | } /* end of single */ |
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| 24 | } /* end of parallel */ |
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| 25 | return (nthreads == nthreads_lib); |
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| 26 | } |
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| 27 | |
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| 28 | int main() |
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| 29 | { |
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| 30 | int i; |
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| 31 | int num_failed=0; |
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| 32 | |
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| 33 | for(i = 0; i < REPETITIONS; i++) { |
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| 34 | if(!test_omp_get_num_threads()) { |
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| 35 | num_failed++; |
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| 36 | } |
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| 37 | } |
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| 38 | return num_failed; |
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| 39 | } |
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| 40 | |
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