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

pthread_mutex_t mutexKakao = PTHREAD_MUTEX_INITIALIZER;
pthread_mutex_t mutexMleko = PTHREAD_MUTEX_INITIALIZER;
pthread_mutex_t mutexCzekolada = PTHREAD_MUTEX_INITIALIZER;


int kakao =0;
int mleko =0;
int czekolada =0;

void * producentKakao()
{
	while(1)
	{
	pthread_mutex_lock(&mutexKakao);
	++kakao;
	pthread_mutex_unlock(&mutexKakao);

	printf("Kakao!");
	usleep(300);


	}

}

void * producentMleka()
{
	while(1)
	{

	pthread_mutex_lock(&mutexMleko);
	++mleko;
	pthread_mutex_unlock(&mutexMleko);
	printf("Mleko!");
	usleep(300);


	}
}


void * konsumentCzekolady()
{
	while(1)
	{
	pthread_mutex_lock(&mutexKakao);
	--kakao;
	pthread_mutex_unlock(&mutexKakao);

	pthread_mutex_lock(&mutexMleko);
	--mleko;
	pthread_mutex_unlock(&mutexMleko);

	if((kakao>10)&&(mleko>10))
	{
		++czekolada;
		usleep(400);
	}
	else
	{
		++czekolada;
		usleep(800);
	}

	printf("Czekolada!");



	}
}





int main()
{
	pthread_t prodMlek, prodKak, konsum1, konsum2;


	pthread_create(&prodMlek, NULL, producentMleka, NULL);
       	sleep(1);
	pthread_create(&prodKak, NULL, producentKakao, NULL);
	sleep(1);
	pthread_create(&konsum1, NULL, konsumentCzekolady, NULL);


	pthread_join(prodMlek, NULL);
       	pthread_join(prodKak, NULL);
	pthread_join(konsum1, NULL);




	pthread_exit (NULL);

}