Fixing taking none existing fork in logs

1 files changed, 60 insertions, 0 deletions

diff --git a/philo_one/src/forks.c b/philo_one/src/forks.c
new file mode 100644
index 0000000..ebe5261
--- /dev/null
+++ b/philo_one/src/forks.c
@@ -0,0 +1,60 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   forks.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/02/09 23:46:40 by cacharle          #+#    #+#             */
+/*   Updated: 2020/09/27 09:26:12 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "philo_one.h"
+
+pthread_mutex_t	*forks_new(int num)
+{
+	int				i;
+	pthread_mutex_t	*forks;
+
+	if ((forks = malloc(num * sizeof(pthread_mutex_t))) == NULL)
+		return (NULL);
+	i = -1;
+	while (++i < num)
+	{
+		if (pthread_mutex_init(&forks[i], NULL) != 0)
+		{
+			forks_destroy(forks, i + 1);
+			return (NULL);
+		}
+	}
+	return (forks);
+}
+
+void			forks_destroy(pthread_mutex_t *forks, int num)
+{
+	while (num-- > 0)
+		pthread_mutex_destroy(&forks[num]);
+	free(forks);
+}
+
+t_routine_arg	*forks_dispatch(
+	t_philo *philos,
+	pthread_mutex_t *forks,
+	t_philo_conf *conf)
+{
+	int				i;
+	t_routine_arg	*routine_args;
+
+	if ((routine_args = malloc(conf->philo_num * sizeof(t_routine_arg))) == NULL)
+		return (NULL);
+	i = -1;
+	while (++i < conf->philo_num)
+	{
+		routine_args[i].conf = conf;
+		routine_args[i].philo = philos + i;
+		routine_args[i].fork_left = forks + i % conf->philo_num;
+		routine_args[i].fork_right = forks + (i + 1) % conf->philo_num;
+	}
+	return (routine_args);
+}