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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* routine.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/10 01:11:27 by cacharle #+# #+# */
/* Updated: 2021/01/10 09:54:30 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include "philo_one.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));
}
static void st_check_meal_num_finished(t_philo *arg, long int eat_counter)
{
if (!philo_finished(arg->conf) && arg->conf->meal_num != -1 &&
eat_counter == arg->conf->meal_num)
{
pthread_mutex_lock(&arg->conf->mutex_meal_num_finished_counter);
arg->conf->meal_num_finished_counter++;
pthread_mutex_unlock(&arg->conf->mutex_meal_num_finished_counter);
}
}
void *routine_philo(t_philo *arg)
{
pthread_t thread_death;
long int eat_counter;
eat_counter = 0;
pthread_mutex_lock(&arg->mutex_start);
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);
arg->time_last_eat = h_time_now();
while (!philo_finished(arg->conf))
{
if (arg->id % 2 == 0)
{
event_take_fork(arg, arg->fork_left);
event_take_fork(arg, arg->fork_right);
}
else
{
event_take_fork(arg, arg->fork_right);
event_take_fork(arg, arg->fork_left);
}
event_eat(arg);
eat_counter++;
st_check_meal_num_finished(arg, eat_counter);
event_sleep(arg, arg->fork_right, arg->fork_left);
event_think(arg);
}
pthread_join(thread_death, NULL);
return (NULL);
}
void *routine_death(t_philo *arg)
{
while (!philo_finished(arg->conf))
{
pthread_mutex_lock(&arg->mutex_eat);
if (h_time_now() - arg->time_last_eat > arg->conf->timeout_death)
break ;
pthread_mutex_unlock(&arg->mutex_eat);
usleep(2000);
}
event_die(arg);
return (NULL);
}
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