uvjetna varijabla / OS

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

pthread_mutex_t mutex;
pthread_cond_t full;

char buffer[10];

void *Producer() {
    int i;
    pthread_mutex_lock(&mutex);

    for(i = 0; i <= 10; i++){

        buffer[i] = i;
        printf("Produced: %d\n", buffer[i]);
        if(i==10) {
            pthread_cond_signal(&full);
            printf("Signal sent\n");
        }
        sleep(1);
    }

    pthread_mutex_unlock(&mutex);

    pthread_exit(NULL);
}

void *Consumer() {
    int j;
    pthread_mutex_lock(&mutex);

    for(j = 0; j <= 10; j++) {
        j = buffer[j];
        printf("Consumed: %d\n", buffer[j]);
        sleep(1);
    }

    pthread_cond_wait(&full,&mutex);
    pthread_mutex_unlock(&mutex);

    pthread_exit(NULL);
}

int main() {
    pthread_t t1, t2;
    void *t;

    pthread_create(&t1, NULL, Producer, NULL);
    pthread_create(&t2, NULL, Consumer, NULL);
    pthread_join(t1, &t);
    printf("Producer finished.\n");
    pthread_join(t2, &t);
    printf("Consumer finished. \n");
    return 0;
}