philo/utils2.c at master · benemanu/philo · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   utils2.c                                           :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: bhielsch <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/02/08 15:51:14 by bhielsch          #+#    #+#             */
/*   Updated: 2023/02/08 15:51:16 by bhielsch         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "philo.h"

long long	current_timestamp(void)
{
	struct timeval	tv;

	gettimeofday(&tv, NULL);
	return (tv.tv_sec * 1000 + tv.tv_usec / 1000);
}

void	join_thread(t_data *data)
{
	int	i;

	i = -1;
	while (++i < data->no_philos)
		pthread_join(data->tid[i], NULL);
}

int	is_philo_dead(t_data *data)
{
	pthread_mutex_lock(&data->lock);
	if (data->dead == 0)
	{
		pthread_mutex_unlock(&data->lock);
		return (0);
	}
	else
	{
		pthread_mutex_unlock(&data->lock);
		return (1);
	}
}

int	is_equal(t_data *data)
{
	pthread_mutex_lock(&data->lock);
	if (data->finished == data->no_philos)
	{
		pthread_mutex_unlock(&data->lock);
		return (0);
	}
	else
	{
		pthread_mutex_unlock(&data->lock);
		return (1);
	}
}

int	finished_eating(t_data *data, int i)
{
	pthread_mutex_lock(&data->lock);
	pthread_mutex_lock(&data->philos->lock);
	if (data->philos[i - 1].eat_count == data->no_meals)
	{
		pthread_mutex_unlock(&data->lock);
		pthread_mutex_unlock(&data->philos->lock);
		return (0);
	}
	else
	{
		pthread_mutex_unlock(&data->lock);
		pthread_mutex_unlock(&data->philos->lock);
		return (1);
	}
}