69 lines
1.9 KiB
C
69 lines
1.9 KiB
C
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* observer.c :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: mdenys <mdenys@student.21-school.ru> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2021/05/20 12:12:50 by mdenys #+# #+# */
|
|
/* Updated: 2021/05/21 00:36:27 by mdenys ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
#include "../includes/philo_header.h"
|
|
|
|
int run_observer_return(t_all *all, int i)
|
|
{
|
|
sem_wait(all->write);
|
|
printf("%ld %d died\n", \
|
|
ft_get_time() - all->start_time, i + 1);
|
|
all->final = 42;
|
|
return (2);
|
|
}
|
|
|
|
int check_all_philors(t_all *all)
|
|
{
|
|
int i;
|
|
int j;
|
|
time_t time_eat;
|
|
|
|
j = 0;
|
|
i = 0;
|
|
while (i < all->nbr_phils)
|
|
{
|
|
sem_wait(all->data_philo->philors[i].eat_sem);
|
|
time_eat = (ft_get_time() - \
|
|
all->start_time) - all->data_philo->philors[i].last_eat;
|
|
if (all->data_philo->philors[i].died == 42)
|
|
{
|
|
j++;
|
|
if (j == all->nbr_phils)
|
|
return (ft_exit(all, 2));
|
|
}
|
|
if (time_eat > all->time_to_die)
|
|
return (run_observer_return(all, i));
|
|
sem_post(all->data_philo->philors[i].eat_sem);
|
|
if (all->final == 42)
|
|
return (ft_exit(all, 2));
|
|
i++;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int run_observer(t_all *all)
|
|
{
|
|
while (check_all_philors(all) == 0)
|
|
;
|
|
return (0);
|
|
}
|
|
|
|
int runner(t_all *all)
|
|
{
|
|
prepare_resources(all);
|
|
all->start_time = ft_get_time();
|
|
run_all_phils(all);
|
|
if (!run_observer(all))
|
|
return (0);
|
|
return (1);
|
|
}
|