intra to gitea

2025-11-15 22:31:33 +00:00
commit 34c92494e8
12 changed files with 935 additions and 0 deletions
@@ -0,0 +1,91 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   death.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: lfirmin <[email protected]>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/11/22 14:20:46 by lfirmin           #+#    #+#             */
+/*   Updated: 2025/03/17 04:52:57 by lfirmin          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+#include "../include/philo.h"
+
+void	set_dead_and_print(t_data *data, int philo_idx, long long current_time)
+{
+	pthread_mutex_lock(&data->dead_mutex);
+	data->dead_flag = 1;
+	pthread_mutex_unlock(&data->dead_mutex);
+	pthread_mutex_unlock(&data->philos[philo_idx].meal_lock);
+	pthread_mutex_lock(&data->print);
+	printf("%lld %lld died\n", current_time - data->start_time,
+		data->philos[philo_idx].id);
+	pthread_mutex_unlock(&data->print);
+}
+
+static void	set_all_ate_and_print(t_data *data)
+{
+	pthread_mutex_lock(&data->dead_mutex);
+	data->dead_flag = 1;
+	pthread_mutex_unlock(&data->dead_mutex);
+	pthread_mutex_lock(&data->print);
+	printf("Each philosopher has eaten %lld times\n", data->must_eat);
+	pthread_mutex_unlock(&data->print);
+}
+
+static int	check_philo_death(t_data *data, int idx, int *all_ate_enough)
+{
+	long long	current_time;
+	long long	time_since_last_meal;
+
+	if (check_if_dead_data(data))
+		return (1);
+	pthread_mutex_lock(&data->philos[idx].meal_lock);
+	current_time = get_time();
+	time_since_last_meal = current_time - data->philos[idx].last_meal;
+	if (time_since_last_meal > data->t_die)
+	{
+		set_dead_and_print(data, idx, current_time);
+		return (1);
+	}
+	if (data->must_eat != -1 && data->philos[idx].m_eaten < data->must_eat)
+		*all_ate_enough = 0;
+	pthread_mutex_unlock(&data->philos[idx].meal_lock);
+	return (0);
+}
+
+static int	check_all_philos(t_data *data)
+{
+	int	i;
+	int	all_ate_enough;
+
+	i = 0;
+	all_ate_enough = 1;
+	while (i < data->nb_philo)
+	{
+		if (check_philo_death(data, i, &all_ate_enough))
+			return (1);
+		i++;
+	}
+	if (data->must_eat != -1 && all_ate_enough && !check_if_dead_data(data))
+	{
+		set_all_ate_and_print(data);
+		return (1);
+	}
+	return (0);
+}
+
+void	*death_check(void *arg)
+{
+	t_data	*data;
+
+	data = (t_data *)arg;
+	while (1)
+	{
+		if (check_if_dead_data(data))
+			return (NULL);
+		usleep(500);
+		if (check_all_philos(data))
+			return (NULL);
+	}
+}