producers-consumers/src/consumer.c

#include <stdlib.h>
#include <stdio.h>
#include <sys/shm.h>
#include <unistd.h>
#include "shared.h"

void* Consumer(void* arg);
void consume_item(long int item);
long int remove_item(void);

int main(int argc, char* argv[])
{
    if (argc != 2)
    {
        fprintf(stderr, "Usage: %s SharedID# \n", argv[0]);
        exit(1);
    }
    int sharedID = StringToNumber(argv[1]);
    SharedStruct* sharedMem = shmat(sharedID, NULL, 0);
    sem_wait(&sharedMem->semConsumer);
    printf("Checking for 5 in shared struct.\n");
    printf("%d\n", sharedMem->buffer[0]);
    return 0;
}

//  Consumer main function
//  TODO:   Add waiting for one consumer at a time
//          Add ability to use shared memory
void* Consumer(void* arg)
{
    long int consumeNum;
    while (1)
    {
        // down(&full);
        // down(&mutex);
        consumeNum = remove_item();
        // up(&mutex);
        // up(&empty);
        consume_item(consumeNum);
        break;
    }
}

//  Manage item taken from shared memory
void consume_item(long int item)
{
    ;
}

//  Take item out of shared memory
long int remove_item()
{
    ;
}