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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* routine.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/14 23:00:07 by cacharle #+# #+# */
/* Updated: 2020/02/15 00:35:26 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include "philo_two.h"
void *routine_philo(void *void_arg)
{
t_routine_arg *arg;
pthread_t thread_death;
arg = (t_routine_arg*)void_arg;
io_think(arg);
if (!arg->args->all_alive)
return (NULL);
arg->time_last_eat = h_time_now();
if (pthread_create(&thread_death, NULL, routine_death, arg) != 0)
return (NULL);
while (arg->args->all_alive)
{
sem_wait(arg->forks);
sem_wait(arg->forks);
io_eat(arg);
sem_post(arg->forks);
sem_post(arg->forks);
arg->time_last_eat = h_time_now();
io_sleep(arg);
io_think(arg);
}
pthread_join(thread_death, NULL);
return (NULL);
}
void *routine_death(void *void_arg)
{
t_routine_arg *arg;
t_time current;
arg = (t_routine_arg*)void_arg;
current = h_time_now();
while (arg->args->all_alive &&
current - arg->time_last_eat < arg->args->timeout_death)
current = h_time_now();
io_die(arg);
pthread_mutex_lock(&arg->args->mutex_all_alive);
arg->args->all_alive = FALSE;
pthread_mutex_unlock(&arg->args->mutex_all_alive);
return (NULL);
}
t_routine_arg *routine_args_create(t_philo_args *philo_args, sem_t *forks)
{
int i;
t_routine_arg *routine_args;
if ((routine_args = malloc(sizeof(t_routine_arg) * philo_args->philo_num)) == NULL)
return (NULL);
i = -1;
while (++i < philo_args->philo_num)
{
routine_args[i].id = i + 1;
routine_args[i].forks = forks;
routine_args[i].args = philo_args;
}
return (routine_args);
}
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