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

#define BIG1 100000000
#define BIG2 10000000

// obiect care reprezinta un mutex
pthread_mutex_t mutex;

// functia pe care thread-urile nou create o vor executa
void* thread_func(void* arg) {
	int i = BIG1;
	
	printf("thread [%ld] : function enter\n", (long)arg);
	
	//pthread_mutex_lock(&mutex);
	
	printf("thread [%ld] : work starting\n", (long)arg);
	
	while (i--)
		if (i % BIG2 == 0)
			printf("thread [%ld] : reached %d\n", (long)arg, i);
	
	printf("thread [%ld] : work done\n", (long)arg);
	
	//pthread_mutex_unlock(&mutex);
	
	return NULL;
}

int main() {
	// obiecte care reprezinta threaduri
	pthread_t thread1;
	pthread_t thread2;
	
	// initializare mutex
	pthread_mutex_init(&mutex, NULL);
	
	// initializare threaduri
	pthread_create(&thread1, NULL, thread_func, (void*)1);
	pthread_create(&thread2, NULL, thread_func, (void*)2);
	
	// threadul principal asteapta terminarea threadurile create
	pthread_join(thread1, NULL);
	pthread_join(thread2, NULL);
	
	// distrugere threaduri
	pthread_mutex_destroy(&mutex);
	
	return 0;
}