Kinou/Philosophers
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Alexandre POMMIER 2022-03-02 19:26:22 +01:00
parent 8f81091d27
commit 40357b94a2
2 changed files with 24 additions and 16 deletions
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22
main.c
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@ -16,6 +16,7 @@ s_arg *create_data(int argc, char **argv)
{ {
s_arg *data; s_arg *data;
usleep(1500000);
data = malloc(sizeof(s_arg)); data = malloc(sizeof(s_arg));
*data->death = 1; *data->death = 1;
data->nb_full_philo = 0; data->nb_full_philo = 0;
@ -40,7 +41,6 @@ void exit_philo(s_philo *philo, s_arg *data)
{ {
pthread_mutex_destroy(philo[i].left_fork); pthread_mutex_destroy(philo[i].left_fork);
free(philo[i].left_fork); free(philo[i].left_fork);
//pthread_
i++; i++;
} }
pthread_mutex_destroy(philo[i].left_fork); pthread_mutex_destroy(philo[i].left_fork);
@ -89,17 +89,19 @@ void *death_checker(s_philo *philo, s_arg *data)
int i; int i;
i = 0; i = 0;
while (1) while (*data->death)
{ {
i = -1; i = -1;
while (i++ < data->nb_philo - 1 && philo[i].data->death) while (i++ < data->nb_philo - 1 && *data->death && *philo[i].last_eat)
{ {
if (get_time() - *philo[i].last_eat > data->time_to_die && philo[i].must_eat) if ((get_time() - *philo[i].last_eat) > data->time_to_die && philo[i].must_eat)
{ {
*philo[i].data->death = 0; *philo[i].data->death = 0;
pthread_mutex_lock(philo->display); pthread_mutex_lock(philo->display);
printf("%ldms Philo N°%d is died\n", get_time() - data->time_start, philo[i].philo_id); printf("%ldms Philo N°%d is died\n",
get_time() - data->time_start, philo[i].philo_id);
printf("End: one philo died\n"); printf("End: one philo died\n");
printf("time_to_die: %d TIME: %ld start: %ld philo.start: %ld last_eat: %ld condition: %ld\n", data->time_to_die ,get_time(), data->time_start , philo[i].data->time_start, get_time() - *philo[i].last_eat ,get_time() - *philo[i].last_eat);
exit_philo(philo, data); exit_philo(philo, data);
} }
else if (data->nb_full_philo == data->nb_philo) else if (data->nb_full_philo == data->nb_philo)
@ -116,19 +118,20 @@ void *death_checker(s_philo *philo, s_arg *data)
void *routine(void *tmp) void *routine(void *tmp)
{ {
s_philo *philo; s_philo *philo;
pthread_t death;
philo = (s_philo *)tmp; philo = (s_philo *)tmp;
*philo->last_eat = get_time(); *philo->last_eat = get_time();
//if (philo->philo_id % 2) if (philo->philo_id % 2)
// usleep(15000); usleep(15000);
while (1 && *philo->data->death && philo->must_eat && philo->data->nb_full_philo != philo->data->nb_philo) while (*philo->data->death && philo->must_eat
&& philo->data->nb_full_philo != philo->data->nb_philo)
{ {
philo_eat(philo); philo_eat(philo);
philo->must_eat--; philo->must_eat--;
if (!philo->must_eat) if (!philo->must_eat)
philo->data->nb_full_philo++; philo->data->nb_full_philo++;
} }
printf("philo n%d return\n", philo->philo_id);
return (0); return (0);
} }
@ -148,6 +151,7 @@ s_philo *create_philo(s_arg *data)
pthread_mutex_init(display, 0); pthread_mutex_init(display, 0);
while (i < data->nb_philo) while (i < data->nb_philo)
{ {
*philo[i].last_eat = 0;
philo[i].display = display; philo[i].display = display;
philo[i].philo_id = i + 1; philo[i].philo_id = i + 1;
philo[i].data = data; philo[i].data = data;

6
philosophers.h
View File

@ -10,13 +10,15 @@
/* */ /* */
/* ************************************************************************** */ /* ************************************************************************** */
#ifndef PHILOSOPHERS_H
# define PHILOSOPHERS_H
# include <pthread.h> # include <pthread.h>
# include <stdio.h> # include <stdio.h>
# include <stdlib.h> # include <stdlib.h>
# include <sys/time.h> # include <sys/time.h>
# include <unistd.h> # include <unistd.h>
typedef struct s_list typedef struct s_list
{ {
int nb_philo; int nb_philo;
@ -45,3 +47,5 @@ typedef struct t_list
//utils fonctions //utils fonctions
long ft_atoi(const char *nptr); long ft_atoi(const char *nptr);
long get_time(void); long get_time(void);
#endif