/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   process_basics.c                                   :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: ruiferna <ruiferna@student.42porto.com>    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/10/14 17:06:42 by ruiferna          #+#    #+#             */
/*   Updated: 2025/10/14 19:53:46 by ruiferna         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/wait.h>

#define NUM_CHILDREN 3

int main(int argc, char *argv[]) {
    pid_t pids[NUM_CHILDREN];
    int i;

	i = 0;
    while (i < NUM_CHILDREN) 
	{
        pids[i] = fork();
        if (pids[i] == -1) {
            printf("Error creating process\n");
            return 1;
        }
        if (pids[i] == 0) {
            // Child process
            int child_id = i + 1;
            int j;
			j = 0;
            while (j <= 5)
			{
                printf("Child %d (PID: %d): Message %d\n", child_id, getpid(), j);
                usleep(100000);
				j++;
            }
            exit(0);
        }
		i++;
    }

    // Parent process
	i = 0;
    while (i < NUM_CHILDREN)
	{
        waitpid(pids[i], NULL, 0);
		i++;
    }
    printf("Parent: All 3 children have finished\n");
    return (0);
}