badomp.c

#include <stdio.h>
#include <omp.h>
#include <pthread.h>

int main() {
    omp_lock_t lock;
    long x = 0;

    omp_init_lock(&lock);

    for (int i=0; i<1; ++i) {
        omp_set_lock(&lock);
        omp_unset_lock(&lock);
    }

    omp_destroy_lock(&lock);

    printf("sizeof(omp_lock_t): %zu\n", sizeof(omp_lock_t));
    printf("sizeof(pthread_mutex_t): %zu\n", sizeof(pthread_mutex_t));
    printf("Value of x (should be 0): %ld\n", x);

    return x != 0;
}