| 1 | // RUN: %libomp-compile-and-run |
| 2 | #include "omp_testsuite.h" |
| 3 | |
| 4 | #define DEBUG_TEST 0 |
| 5 | |
| 6 | int j; |
| 7 | #pragma omp threadprivate(j) |
| 8 | |
| 9 | int test_omp_single_copyprivate() |
| 10 | { |
| 11 | int result; |
| 12 | int nr_iterations; |
| 13 | |
| 14 | result = 0; |
| 15 | nr_iterations = 0; |
| 16 | #pragma omp parallel num_threads(4) |
| 17 | { |
| 18 | int i; |
| 19 | for (i = 0; i < LOOPCOUNT; i++) |
| 20 | { |
| 21 | #if DEBUG_TEST |
| 22 | int thread; |
| 23 | thread = omp_get_thread_num (); |
| 24 | #endif |
| 25 | #pragma omp single copyprivate(j) |
| 26 | { |
| 27 | nr_iterations++; |
| 28 | j = i; |
| 29 | #if DEBUG_TEST |
| 30 | printf ("thread %d assigns, j = %d, i = %d\n" , thread, j, i); |
| 31 | #endif |
| 32 | } |
| 33 | #if DEBUG_TEST |
| 34 | #pragma omp barrier |
| 35 | #endif |
| 36 | #pragma omp critical |
| 37 | { |
| 38 | #if DEBUG_TEST |
| 39 | printf ("thread = %d, j = %d, i = %d\n" , thread, j, i); |
| 40 | #endif |
| 41 | result = result + j - i; |
| 42 | } |
| 43 | #pragma omp barrier |
| 44 | } /* end of for */ |
| 45 | } /* end of parallel */ |
| 46 | return ((result == 0) && (nr_iterations == LOOPCOUNT)); |
| 47 | } |
| 48 | |
| 49 | int main() |
| 50 | { |
| 51 | int i; |
| 52 | int num_failed=0; |
| 53 | |
| 54 | for(i = 0; i < REPETITIONS; i++) { |
| 55 | if(!test_omp_single_copyprivate()) { |
| 56 | num_failed++; |
| 57 | } |
| 58 | } |
| 59 | return num_failed; |
| 60 | } |
| 61 | |