/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   utils_threads2.c                                   :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: erey-bet <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/04/09 20:49:44 by erey-bet          #+#    #+#             */
/*   Updated: 2023/04/10 17:31:37 by erey-bet         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "philo.h"

void	take_fork(t_philo *philo, int id_fork)
{
	pthread_mutex_lock(&philo->same->mutex[id_fork]);
	philo->same->forks[id_fork] = 0;
	pthread_mutex_unlock(&philo->same->mutex[id_fork]);
	usleep(10);
}

void	drop_fork(t_philo *philo, int id_fork, int next_id_fork)
{
	pthread_mutex_lock(&philo->same->mutex[id_fork]);
	philo->same->forks[id_fork] = 1;
	pthread_mutex_unlock(&philo->same->mutex[id_fork]);
	if (next_id_fork >= 0)
	{
		pthread_mutex_lock(&philo->same->mutex[next_id_fork]);
		philo->same->forks[next_id_fork] = 1;
		pthread_mutex_unlock(&philo->same->mutex[next_id_fork]);
	}
	usleep(10);
}

int	get_fork(t_philo *philo, int id_fork)
{
	int	fork;

	pthread_mutex_lock(&philo->same->mutex[id_fork]);
	fork = philo->same->forks[id_fork];
	pthread_mutex_unlock(&philo->same->mutex[id_fork]);
	usleep(10);
	return (fork);
}