54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
// RUN: %libomp-compile-and-run
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#include <stdio.h>
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#include "omp_testsuite.h"
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/* The bug occurs if the lock table is reallocated after
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kmp_set_defaults() is called. If the table is reallocated,
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then the lock will not point to a valid lock object after the
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kmp_set_defaults() call.*/
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omp_lock_t lock;
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int test_kmp_set_defaults_lock_bug()
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{
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/* checks that omp_get_num_threads is equal to the number of
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threads */
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int nthreads_lib;
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int nthreads = 0;
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nthreads_lib = -1;
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#pragma omp parallel
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{
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omp_set_lock(&lock);
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nthreads++;
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omp_unset_lock(&lock);
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#pragma omp single
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{
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nthreads_lib = omp_get_num_threads ();
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} /* end of single */
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} /* end of parallel */
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kmp_set_defaults("OMP_NUM_THREADS");
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#pragma omp parallel
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{
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omp_set_lock(&lock);
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nthreads++;
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omp_unset_lock(&lock);
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} /* end of parallel */
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return (nthreads == 2*nthreads_lib);
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}
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int main()
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{
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int i;
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int num_failed=0;
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omp_init_lock(&lock);
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for(i = 0; i < REPETITIONS; i++) {
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if(!test_kmp_set_defaults_lock_bug()) {
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num_failed++;
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}
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}
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omp_destroy_lock(&lock);
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return num_failed;
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}
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