commit eee4d08902b8b4c64cb030404f3a2d411497da03
Author: kinou-p <alexpomms@gmail.com>
Date:   Sun Feb 27 15:32:03 2022 +0100

    first

diff --git a/main.c b/main.c
new file mode 100644
index 0000000..4436c16
--- /dev/null
+++ b/main.c
@@ -0,0 +1,159 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   main.c                                             :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/02/20 19:10:43 by apommier          #+#    #+#             */
+/*   Updated: 2022/02/20 19:10:43 by apommier         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "philosophers.h"
+
+s_arg	*create_data(int argc, char **argv)
+{
+	s_arg	*data;
+
+	data = malloc(sizeof(s_arg));
+	*data->death = 1;
+	data->nb_philo = ft_atoi(argv[1]);
+	data->time_to_die = ft_atoi(argv[2]);
+	data->time_to_eat = ft_atoi(argv[3]);
+	data->time_to_sleep = ft_atoi(argv[4]);
+	data->must_eat = 0;
+	if (argc == 6)
+		data->must_eat = ft_atoi(argv[5]);
+	else
+		data->must_eat = -1;
+	//data->time_start = get_time();
+	return (data);
+}
+
+void	put_event(s_philo philo, char *event)
+{
+	printf("%.4ldms Philo N°%d %s\n", get_time() - philo.data->time_start, philo.philo_id, event);
+}
+
+void	philo_eat(s_philo *philo_tmp)
+{
+	s_philo philo;
+
+	philo = *philo_tmp;
+	pthread_mutex_lock(philo.right_fork);
+	put_event(philo, "has taken a fork");
+	pthread_mutex_lock(philo.left_fork);
+	put_event(philo, "has taken a fork");
+	printf("old last eat of --%d-- = %ld\n", philo.philo_id, *philo_tmp->last_eat - philo.data->time_start);
+	*philo_tmp->last_eat = get_time();
+	printf("last eat of --%d-- = %ld\n", philo.philo_id, *philo_tmp->last_eat - philo.data->time_start);
+	put_event(philo, "is eating");
+	usleep(philo.data->time_to_eat * 1000);
+	pthread_mutex_unlock(philo.right_fork);
+	pthread_mutex_unlock(philo.left_fork);
+	put_event(philo, "is sleeping");
+	usleep(philo.data->time_to_sleep * 1000);
+	put_event(philo, "is thinking");
+}
+
+void	*death_check(void *tmp)
+{
+	s_philo	*philo;
+
+	philo = (s_philo *)tmp;
+	while (*philo->data->death)
+	{
+		if (get_time() - *philo->last_eat > philo->data->time_to_die)
+		{
+			printf("PHILO IS DEAD last eat: %ld--  ", *philo->last_eat - philo->data->time_start);
+			put_event(*philo, "PHILO IS DEAD\n\n\n--\n");
+			exit(1);
+		}
+	}
+	return (0);
+}
+
+void	*routine(void *tmp)
+{
+	s_philo *philo;
+	pthread_t	death;
+
+	philo = (s_philo *)tmp;
+
+	*philo->last_eat = get_time();
+	pthread_create(&death, 0, &death_check, philo);
+	pthread_detach(death);
+	while (1 && *philo->data->death && philo->must_eat)
+	{
+		philo_eat(philo);
+		philo->must_eat--;
+	}
+	return (0); 
+}
+
+s_philo *create_philo(s_arg *data)
+{
+	int i;
+	s_philo *philo;
+
+	i = 0;
+	philo = malloc(sizeof(s_philo) * data->nb_philo);
+	if (!philo)
+		return (0);
+	while (i < data->nb_philo)
+	{
+		philo[i].philo_id = i + 1;
+		philo[i].data = data;
+		philo[i].must_eat = data->must_eat;
+		philo[i].left_fork = malloc(sizeof(pthread_mutex_t));
+		pthread_mutex_init(philo[i].left_fork, 0);
+		i++;
+	}
+	i = 0;
+	while (i < data->nb_philo - 1)
+	{
+		philo[i].right_fork = philo[i + 1].left_fork;
+		i++;
+	}
+	philo[i].left_fork = philo[0].right_fork;
+	return (philo);
+}
+
+int	start_philo(s_philo *philo)
+{
+	int i;
+
+	i = 0;
+	philo->data->time_start = get_time();
+	while (i < philo[i].data->nb_philo - 1)
+	{
+		pthread_create(&philo[i].thread, 0, &routine, &philo[i]);
+		usleep(10);
+		i++;
+	}
+	i = 0;
+	while (i < philo[i].data->nb_philo - 1)
+	{
+		pthread_join(philo[i].thread, 0);
+	}
+}
+
+int main(int argc, char **argv)
+{
+	s_arg *data;
+	s_philo *philo;
+
+	get_time();
+	data = create_data(argc, argv);
+	philo = create_philo(data);
+	start_philo(philo);
+}
+
+
+
+	//put_event(*philo, "starting");
+	//if ( philo->philo_id == 3)
+	//	*philo->data->test = 0;
+	//printf("je suis le numero %d\n", philo->philo_id);
+	//printf("test = %d\n", *philo->data->test);
\ No newline at end of file
diff --git a/philosophers.h b/philosophers.h
new file mode 100644
index 0000000..131459b
--- /dev/null
+++ b/philosophers.h
@@ -0,0 +1,44 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   philosophers.h                                     :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/02/20 19:10:49 by apommier          #+#    #+#             */
+/*   Updated: 2022/02/20 19:10:49 by apommier         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/time.h>
+#include <unistd.h>
+
+typedef struct s_list
+{
+	int				nb_philo;
+	int				time_to_die;
+	int				time_to_eat;
+	int				time_to_sleep;
+	int				must_eat;
+	long			time_start;
+	int				death[1];
+}				s_arg;
+
+typedef struct t_list
+{
+	int				philo_id;
+	pthread_t		thread;
+	s_arg 			*data;
+	int				must_eat;
+	long			last_eat[1];
+	pthread_mutex_t	*right_fork;
+	pthread_mutex_t	*left_fork;
+
+}				s_philo;
+
+//utils fonctions
+long	ft_atoi(const char *nptr);
+long	get_time(void);
\ No newline at end of file
diff --git a/utils.c b/utils.c
new file mode 100644
index 0000000..5915cb3
--- /dev/null
+++ b/utils.c
@@ -0,0 +1,48 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   utils.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/02/25 03:28:46 by apommier          #+#    #+#             */
+/*   Updated: 2022/02/25 03:28:46 by apommier         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "philosophers.h"
+
+long	ft_atoi(const char *nptr)
+{
+	int		i;
+	long	nbr;
+	long	minus;
+
+	minus = 1;
+	nbr = 0;
+	i = 0;
+	while ((nptr[i] >= 9 && nptr[i] <= 13) || nptr[i] == 32)
+		i++;
+	if (nptr[i] == '+')
+		i++;
+	else if (nptr[i] == '-')
+	{
+		i++;
+		minus = -1;
+	}
+	while (nptr[i] >= '0' && nptr[i] <= '9')
+	{
+		nbr = nbr * 10 + nptr[i] - '0';
+		i++;
+	}
+	return (minus * nbr);
+}
+
+long	get_time(void)
+{
+	struct timeval	time;
+
+	gettimeofday(&time, NULL);
+	//printf("time : %ld\n", time.tv_sec * 1000 + time.tv_usec / 1000);
+	return (time.tv_sec * 1000 + time.tv_usec / 1000);
+}
\ No newline at end of file