File: main.c

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#include <pthread.h>
#include <stdlib.h>
#include <assert.h>

pthread_mutex_t lock_never_unlock_002_glb_mutex = PTHREAD_MUTEX_INITIALIZER;

void* lock_never_unlock_002_tsk_001(void* pram) {
  pthread_mutex_lock(&lock_never_unlock_002_glb_mutex);
  pthread_mutex_unlock(&lock_never_unlock_002_glb_mutex);
  return NULL;
}

void main() {
  pthread_t tid1;
  pthread_t tid2;
  pthread_mutex_init(&lock_never_unlock_002_glb_mutex, NULL);
  pthread_create(&tid1, NULL, lock_never_unlock_002_tsk_001, NULL);
  pthread_create(&tid2, NULL, lock_never_unlock_002_tsk_001, NULL);
  pthread_join(tid1, NULL);
  pthread_join(tid2, NULL);
  // no deadlock in the threads; assertion should be reached
  assert(0);
}