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