intra to gitea

2025-11-15 22:31:33 +00:00
commit 34c92494e8
12 changed files with 935 additions and 0 deletions
@@ -0,0 +1,90 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   routine_utils.c                                    :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: lfirmin <[email protected]>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/11/22 14:47:26 by lfirmin           #+#    #+#             */
+/*   Updated: 2025/03/17 03:59:51 by lfirmin          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+#include "../include/philo.h"
+
+int	eating_1_philo(t_philo *philo)
+{
+	pthread_mutex_lock(&philo->data->forks[philo->l_fork]);
+	print_message(philo, "has taken a fork");
+	safe_sleep(philo, philo->data->t_die * 1000);
+	pthread_mutex_unlock(&philo->data->forks[philo->l_fork]);
+	return (1);
+}
+
+int	safe_sleep(t_philo *philo, long time)
+{
+	long long	start_t;
+	long long	target_time;
+	long		sleep_interval;
+
+	start_t = get_time();
+	target_time = start_t + (time / 1000);
+	if (philo->data->nb_philo > 150)
+		sleep_interval = 400;
+	else if (philo->data->nb_philo > 100)
+		sleep_interval = 300;
+	else if (philo->data->nb_philo > 50)
+		sleep_interval = 200;
+	else
+		sleep_interval = 100;
+	while (get_time() < target_time)
+	{
+		if (check_if_dead(philo))
+			return (1);
+		usleep(sleep_interval);
+	}
+	return (0);
+}
+
+int	take_fork_2(t_philo *philo)
+{
+	pthread_mutex_lock(&philo->data->forks[philo->r_fork]);
+	if (check_if_dead(philo))
+		return (pthread_mutex_unlock(&philo->data->forks[philo->r_fork]), 1);
+	if (print_message(philo, "has taken a fork"))
+		return (pthread_mutex_unlock(&philo->data->forks[philo->r_fork]), 1);
+	pthread_mutex_lock(&philo->data->forks[philo->l_fork]);
+	if (check_if_dead(philo))
+	{
+		pthread_mutex_unlock(&philo->data->forks[philo->l_fork]);
+		pthread_mutex_unlock(&philo->data->forks[philo->r_fork]);
+		return (1);
+	}
+	return (0);
+}
+
+int	take_fork(t_philo *philo)
+{
+	if (check_if_dead(philo))
+		return (1);
+	if (philo->l_fork < philo->r_fork)
+	{
+		pthread_mutex_lock(&philo->data->forks[philo->l_fork]);
+		if (check_if_dead(philo))
+			return (pthread_mutex_unlock
+				(&philo->data->forks[philo->l_fork]), 1);
+		if (print_message(philo, "has taken a fork"))
+			return (pthread_mutex_unlock
+				(&philo->data->forks[philo->l_fork]), 1);
+		pthread_mutex_lock(&philo->data->forks[philo->r_fork]);
+		if (check_if_dead(philo))
+		{
+			pthread_mutex_unlock(&philo->data->forks[philo->r_fork]);
+			pthread_mutex_unlock(&philo->data->forks[philo->l_fork]);
+			return (1);
+		}
+	}
+	else
+		if (take_fork_2(philo))
+			return (1);
+	return (0);
+}