intra to gitea

2025-11-15 22:31:33 +00:00
commit 34c92494e8
12 changed files with 935 additions and 0 deletions
@@ -0,0 +1,81 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   init.c                                             :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: lfirmin <[email protected]>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/11/22 14:20:46 by lfirmin           #+#    #+#             */
+/*   Updated: 2025/03/17 04:12:57 by lfirmin          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+#include "../include/philo.h"
+
+int	init_forks(t_data *data)
+{
+	int	i;
+
+	i = 0;
+	while (i < data->nb_philo)
+	{
+		if (pthread_mutex_init(&data->forks[i], NULL))
+			return (1);
+		i++;
+	}
+	return (0);
+}
+
+int	init_philos(t_data *data)
+{
+	int	i;
+
+	i = 0;
+	while (i < data->nb_philo)
+	{
+		data->philos[i].id = i + 1;
+		data->philos[i].l_fork = i;
+		data->philos[i].r_fork = (i + 1) % data->nb_philo;
+		data->philos[i].last_meal = data->start_time;
+		data->philos[i].m_eaten = 0;
+		data->philos[i].data = data;
+		if (pthread_mutex_init(&data->philos[i].meal_lock, NULL))
+			return (1);
+		i++;
+	}
+	return (0);
+}
+
+int	init_all(t_data *data)
+{
+	int	i;
+
+	i = -1;
+	if (init_philo_forks(data))
+		return (printf("Error : Failed to allocate memory\n"), 1);
+	if (init_forks(data))
+	{
+		free(data->philos);
+		free(data->forks);
+		return (printf("Error : Failed to initialize forks mutex\n"), 1);
+	}
+	if (init_philos(data))
+	{
+		while (++i < data->nb_philo)
+			pthread_mutex_destroy(&data->forks[i]);
+		free(data->philos);
+		free(data->forks);
+		return (printf("Error : Failed to initialize philosophers\n"), 1);
+	}
+	return (0);
+}
+
+int	init_philo_forks(t_data *data)
+{
+	data->philos = malloc(sizeof(t_philo) * data->nb_philo);
+	if (!data->philos)
+		return (1);
+	data->forks = malloc(sizeof(pthread_mutex_t) * data->nb_philo);
+	if (!data->forks)
+		return (free(data->philos), 1);
+	return (0);
+}