| 1 | // RUN: %libomp-compile-and-run |
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| 2 | #include <stdio.h> |
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| 3 | #include <math.h> |
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| 4 | #include "omp_testsuite.h" |
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| 5 | #include "omp_my_sleep.h" |
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| 6 | |
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| 7 | int test_omp_task() |
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| 8 | { |
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| 9 | int tids[NUM_TASKS]; |
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| 10 | int i; |
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| 11 | |
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| 12 | #pragma omp parallel |
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| 13 | { |
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| 14 | #pragma omp single |
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| 15 | { |
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| 16 | for (i = 0; i < NUM_TASKS; i++) { |
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| 17 | /* First we have to store the value of the loop index in a new variable |
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| 18 | * which will be private for each task because otherwise it will be overwritten |
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| 19 | * if the execution of the task takes longer than the time which is needed to |
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| 20 | * enter the next step of the loop! |
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| 21 | */ |
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| 22 | int myi; |
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| 23 | myi = i; |
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| 24 | #pragma omp task |
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| 25 | { |
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| 26 | my_sleep (SLEEPTIME); |
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| 27 | tids[myi] = omp_get_thread_num(); |
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| 28 | } /* end of omp task */ |
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| 29 | } /* end of for */ |
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| 30 | } /* end of single */ |
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| 31 | } /*end of parallel */ |
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| 32 | |
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| 33 | /* Now we ckeck if more than one thread executed the tasks. */ |
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| 34 | for (i = 1; i < NUM_TASKS; i++) { |
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| 35 | if (tids[0] != tids[i]) |
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| 36 | return 1; |
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| 37 | } |
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| 38 | return 0; |
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| 39 | } /* end of check_parallel_for_private */ |
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| 40 | |
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| 41 | int main() |
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| 42 | { |
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| 43 | int i; |
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| 44 | int num_failed=0; |
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| 45 | |
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| 46 | if (omp_get_max_threads() < 2) |
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| 47 | omp_set_num_threads(8); |
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| 48 | |
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| 49 | for(i = 0; i < REPETITIONS; i++) { |
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| 50 | if(!test_omp_task()) { |
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| 51 | num_failed++; |
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| 52 | } |
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| 53 | } |
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| 54 | return num_failed; |
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| 55 | } |
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| 56 | |
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