/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   utils_manage_threads.c                             :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: erey-bet <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/03/30 01:04:41 by erey-bet          #+#    #+#             */
/*   Updated: 2023/04/10 09:53:55 by erey-bet         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "philo.h"

int	*init_forks(t_config *config)
{
	int	*forks;
	int	i;

	forks = ft_calloc(sizeof(int), config->nbr_philo);
	if (!forks)
		return (NULL);
	i = 0;
	while (i < config->nbr_philo)
		forks[i++] = 1;
	return (forks);
}

int	init_mutex(pthread_mutex_t *mutex, int nbr)
{
	int	i;

	i = -1;
	while (++i < nbr)
		if (pthread_mutex_init(&mutex[i], NULL) != 0)
			return (1);
	return (0);
}

void	destroy_mutex(pthread_mutex_t *mutex, int nbr)
{
	int	i;

	i = -1;
	while (++i < nbr)
		pthread_mutex_destroy(&mutex[i]);
}

static void	free_philo(t_philo **philo)
{
	int	i;

	i = -1;
	while (philo[++i])
	{
		if (philo[i]->only)
			free(philo[i]->only);
		if (philo[i])
			free(philo[i]);
	}
	free(philo);
}

int	free_all(pthread_t *threads, t_same *same, t_philo **philo)
{
	if (same && same->mutex)
		destroy_mutex(same->mutex, same->config->nbr_philo + 3);
	if (threads)
		free(threads);
	if (same && same->mutex)
		free(same->mutex);
	if (same && same->forks)
		free(same->forks);
	if (same)
		free(same);
	if (philo)
		free_philo(philo);
	return (1);
}