// run the code a few times, occasionally it deadlocks
#include <pthread.h>
#include <stdio.h>

static void * simple_thread(void *);
pthread_mutex_t mutex_1= PTHREAD_MUTEX_INITIALIZER;
pthread_mutex_t mutex_2= PTHREAD_MUTEX_INITIALIZER;

int main()
{
pthread_t tid = 0;

for (int i=0; i<10000; i++) {
// create a thread
pthread_create(&tid, 0, &simple_thread, 0);
}

pthread_mutex_lock(&mutex_1); // acquire mutex_1
pthread_mutex_lock(&mutex_2); // acquire mutex_2
pthread_mutex_unlock(&mutex_2); // release mutex_2
pthread_mutex_unlock(&mutex_1); // release mutex_1
pthread_join(tid, NULL); 
return 0;
}

static void * simple_thread(void * dummy)
{
pthread_mutex_lock(&mutex_2); // acquire mutex_2
pthread_mutex_lock(&mutex_1); // acquire mutex_1
for (int i=0; i<10; i++) printf("\n Made it here \n");
pthread_mutex_unlock(&mutex_1); // release mutex_1
pthread_mutex_unlock(&mutex_2); // release mutex_2

return NULL;
}