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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* routine.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/14 23:00:07 by cacharle #+# #+# */
/* Updated: 2021/01/01 14:23:59 by charles ### ########.fr */
/* */
/* ************************************************************************** */
#include "philo_two.h"
inline bool philo_finished(t_philo_conf *conf)
{
return (!conf->all_alive ||
(conf->meal_num != -1 &&
conf->meal_num_finished_counter == conf->philo_num));
}
void *routine_philo(t_philo *arg)
{
long int eat_counter;
pthread_t thread_death;
if (philo_finished(arg->conf))
return (NULL);
arg->time_last_eat = h_time_now();
if (pthread_create(&thread_death, NULL, (t_routine)routine_death, arg) != 0)
return (NULL);
eat_counter = 0;
event_think(arg);
while (!philo_finished(arg->conf))
{
event_take_fork(arg);
event_take_fork(arg);
event_eat(arg);
arg->time_last_eat = h_time_now();
eat_counter++;
if (!philo_finished(arg->conf) && arg->conf->meal_num != -1 &&
eat_counter == arg->conf->meal_num)
{
sem_wait(arg->conf->sem_meal_num_finished_counter);
arg->conf->meal_num_finished_counter++;
sem_post(arg->conf->sem_meal_num_finished_counter);
}
event_sleep(arg);
event_think(arg);
}
pthread_join(thread_death, NULL);
return (NULL);
}
void *routine_death(t_philo *arg)
{
t_time current;
current = h_time_now();
while (!philo_finished(arg->conf)
&& current - arg->time_last_eat < arg->conf->timeout_death)
{
current = h_time_now();
usleep(200);
}
event_die(arg);
return (NULL);
}
t_philo *routine_create_philos(t_philo_conf *conf, sem_t *forks)
{
int i;
t_philo *philos;
if ((philos = malloc(sizeof(t_philo) * conf->philo_num)) == NULL)
return (NULL);
i = -1;
while (++i < conf->philo_num)
{
philos[i].id = i + 1;
philos[i].forks = forks;
philos[i].conf = conf;
}
return (philos);
}
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