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72 lines
2.1 KiB
72 lines
2.1 KiB
3 years ago
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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* philosophers.h :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: narnaud <narnaud@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2022/05/16 14:03:01 by narnaud #+# #+# */
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/* Updated: 2022/05/16 14:03:20 by narnaud ### ########.fr */
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/* */
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/* ************************************************************************** */
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#ifndef PHILOSOPHERS_H
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# define PHILOSOPHERS_H
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/*
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• Chaque philosophe doit être représenté par un thread.
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• Toutes les fourchettes sont au centre de la table.
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• Elles n’ont pas d’état spécifique en mémoire, mais le nombre de fourchettes
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disponibles est représenté par un sémaphore. • Chaque philosophe est représenté
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par un processus différent. Cependant, le processus principal ne doit pas être
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un philosophe.
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*/
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# include <unistd.h>
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# include <stdio.h>
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# include <stdlib.h>
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# include <pthread.h>
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# include <string.h>
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# include <errno.h>
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# include <fcntl.h>
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# include <signal.h>
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# include <sys/wait.h>
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# include <sys/time.h>
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# include <sys/stat.h>
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# include <semaphore.h>
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typedef struct s_table t_table;
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typedef struct s_philo
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{
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int id;
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size_t meals_done;
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size_t last_meal_time;
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t_table *table;
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} t_philo;
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typedef struct s_table
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{
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size_t nb_of_philos;
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size_t time_to_die;
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size_t eating_time;
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size_t sleeping_time;
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size_t nb_of_meal;
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int i;
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sem_t *sptr;
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sem_t *death;
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t_philo *philos;
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size_t time;
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size_t start_time;
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int *pid;
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} t_table;
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/***************************/
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t_table *parsing(char **argv);
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size_t gettime(void);
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#endif
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