#include <stdio.h>
#include <stdlib.h>
#include <sys/shm.h>
#include <sys/sem.h>
#include "settings.h"
#include "semaphore.h"

int main(int argc, char* argv[]) {

    /* Create semaphores for each buffer */
    int empty, full, conditions; //id's of buffers
    empty = initialize_sem_array((int)EMPTY, 3, 0); //init with key, number of sems, init value
    full = initialize_sem_array((int)FULL, 3, 9);
    conditions = initialize_sem_array((int)CONDITIONS, 2, 0); //production limitations as specified

    /* Create shared memory for buffers
     *
     * bufX[MAX] holds the index of the 1st element in the queue
     */
    int idA, idB, idC;
    int *bufA, *bufB, *bufC;
    idA = shmget(BUFA, (MAX + 1) * sizeof(int), IPC_CREAT | 0600);
    idB = shmget(BUFB, (MAX + 1) * sizeof(int), IPC_CREAT | 0600);
    idC = shmget(BUFC, (MAX + 1) * sizeof(int), IPC_CREAT | 0600);
    bufA = (int*)shmat(idA, NULL, 0);
    bufB = (int*)shmat(idB, NULL, 0);
    bufC = (int*)shmat(idC, NULL, 0);
    if (bufA == NULL || bufB == NULL || bufC == NULL) {
        perror("main: Creating shared memory for buffers failed");
    }

    bufA[0] = 7;

    //printf("A: %i\n", bufA[0]);



    return 0;

}