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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* routine.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/10 01:11:27 by cacharle #+# #+# */
/* Updated: 2020/02/14 21:22:52 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include "philo_one.h"
void *routine_philo(void *void_arg)
{
t_routine_arg *arg;
pthread_t thread_death;
arg = (t_routine_arg*)void_arg;
if (!arg->args->all_alive)
return (NULL);
arg->philo->time_last_eat = h_time_now();
if (pthread_create(&thread_death, NULL, routine_death, arg) != 0)
return (NULL);
if (!arg->args->all_alive)
return (NULL);
pthread_mutex_lock(&arg->args->mutex_stdout);
if (arg->args->all_alive)
philo_think(arg->philo->id);
pthread_mutex_unlock(&arg->args->mutex_stdout);
while (arg->args->all_alive)
{
if (!arg->fork_left->used && !arg->fork_right->used)
{
pthread_mutex_lock(&arg->fork_left->mutex);
pthread_mutex_lock(&arg->fork_right->mutex);
arg->fork_left->used = TRUE;
arg->fork_right->used = TRUE;
pthread_mutex_unlock(&arg->fork_left->mutex);
pthread_mutex_unlock(&arg->fork_right->mutex);
arg->philo->time_last_eat = h_time_now();
pthread_mutex_lock(&arg->args->mutex_stdout);
if (arg->args->all_alive)
philo_eat(arg->philo->id, arg->args->timeout_eat);
pthread_mutex_unlock(&arg->args->mutex_stdout);
pthread_mutex_lock(&arg->fork_left->mutex);
pthread_mutex_lock(&arg->fork_right->mutex);
arg->fork_left->used = FALSE;
arg->fork_right->used = FALSE;
pthread_mutex_unlock(&arg->fork_left->mutex);
pthread_mutex_unlock(&arg->fork_right->mutex);
pthread_mutex_lock(&arg->args->mutex_stdout);
if (arg->args->all_alive)
philo_sleep(arg->philo->id, arg->args->timeout_sleep);
pthread_mutex_unlock(&arg->args->mutex_stdout);
pthread_mutex_lock(&arg->args->mutex_stdout);
if (arg->args->all_alive)
philo_think(arg->philo->id);
pthread_mutex_unlock(&arg->args->mutex_stdout);
}
}
pthread_join(thread_death, NULL);
return (NULL);
}
void *routine_death(void *void_arg)
{
t_routine_arg *arg;
t_time current;
/* if (!arg->args->all_alive) */
/* return (NULL); */
arg = (t_routine_arg*)void_arg;
current = h_time_now();
/* pthread_mutex_lock(&arg->args->mutex_stdout); */
/* printf("===\n"); */
/* printf("%d crr %ld\n", arg->philo->id, current); */
/* printf("%d lst %ld\n", arg->philo->id, arg->philo->time_last_eat); */
/* printf("%d dif %ld\n", arg->philo->id, current - arg->philo->time_last_eat); */
/* printf("===\n"); */
/* pthread_mutex_unlock(&arg->args->mutex_stdout); */
while (arg->args->all_alive &&
current - arg->philo->time_last_eat < arg->args->timeout_death)
current = h_time_now();
pthread_mutex_lock(&arg->args->mutex_stdout);
pthread_mutex_lock(&arg->args->mutex_all_alive);
if (arg->args->all_alive)
philo_die(arg->philo->id);
arg->args->all_alive = FALSE;
pthread_mutex_unlock(&arg->args->mutex_all_alive);
pthread_mutex_unlock(&arg->args->mutex_stdout);
return (NULL);
}
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