bozosujet

philo/time.c

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+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   time.c                                             :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/04/27 11:35:26 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/05/16 13:24:30 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <bits/types/struct_timeval.h>
+#include <sys/time.h>
+#include <stddef.h>
+#include <pthread.h>
+#include "./philo.h"
+#include "data.h"
+
+size_t	get_time(void)
+{
+	size_t				time;
+	static size_t		start_time = 0;
+	struct timeval		tv;
+
+	gettimeofday(&tv, NULL);
+	time = tv.tv_sec * 1000000 + tv.tv_usec;
+	if (start_time == 0)
+		start_time = time;
+	return ((time - start_time) / 1000);
+}
+
+size_t	get_time_eat(t_philo *philo, t_data *data)
+{
+	size_t	time;
+	size_t	value;
+
+	time = get_time();
+	value = (data->life_expectency - philo->last_eat - time);
+	if (value > data->eat_time)
+		value = data->eat_time;
+	return (value);
+}
+
+size_t	get_time_sleep(t_philo *philo, t_data *data)
+{
+	size_t	time;
+	size_t	value;
+
+	time = get_time();
+	value = (data->life_expectency - (time - philo->last_eat));
+	if (value > data->sleep_time)
+		value = data->sleep_time;
+	return (value);
+}