Assignment

#include <pthread.h>
#include <stdio.h>
#include <string.h>
pthread_mutex_t mutex;
// Variables tray, maximum and minimum
int tray;
int max = 4;
int min = 0;
char choice[10];



void*chiefCook(void*arg){
    int pthread_mutex_lock(pthread_mutex_t*mutex);
    while (1)
    {
        if(tray<max){
            tray=tray+1;
            printf("the chef is adding PIZZA. The trial is: %d\n", tray);
        }
        else if(tray == max){
            printf("Client, the tray is full you can eat\n");
            return NULL;
        }

    }
    int pthread_mutex_unlock(pthread_mutex_t*mutex);

}

void*clientEat(void*arg){
    int pthread_mutex_lock(pthread_mutex_t*mutex);

    while (1)
    {
        if(tray>min){
            tray=tray-1;
            printf("The remaining trial is : %d\n", tray);
        }
        else if (tray == min)
        {
            printf("Chief tray is empty make some PIZZA \n");
            return NULL;
        }

    }
    int pthread_mutex_unlock(pthread_mutex_t*mutex);

}




int main(){

    pthread_t client, chief;

    printf("Do you want to eat or cook PIZZA, Enter \n - cook ...if you want to be the chief cooker\n - eat ...if you are a client\n");
    fgets(choice, 10, stdin);
    // scanf("%s", choice);

    char comp[4] = "cook";
    int counter=0;

    for (int i = 0; i < 4; i++)
    {
       if(choice[i] != comp[i]){
           counter = counter + 1;
       }
    }

    if (counter > 0)
    {
        printf("He chose to eat\n");
    }else
    {
        printf("He want to Cook\n");
    }

    printf("How many PIZZA is in the tray: ");
    scanf("%d", &tray);
    printf("The number in tray is %d\n", tray);

    if (tray == max && (counter > 0 || counter ==0))
    {
        pthread_create(&client,NULL, clientEat, NULL);
        pthread_create(&chief,NULL, chiefCook, NULL);
    }
    else if(tray == min && (counter > 0 || counter == 0))
      {
        pthread_create(&chief,NULL, chiefCook, NULL);
        pthread_create(&client,NULL, clientEat, NULL);
      }




    pthread_join(client,NULL);
    pthread_join(chief, NULL);
















    return 0;



}