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everyday_routine.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* everyday_routine.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: imaalem <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/03/07 14:18:21 by imaalem #+# #+# */
/* Updated: 2022/03/15 13:19:55 by imaalem ### ########.fr */
/* */
/* ************************************************************************** */
#include "philosopher.h"
void print_eat_message(t_philo *philo)
{
pthread_mutex_lock(philo->talk);
printf("%lld %d has taken a fork\n", delta_t(philo), philo->id + 1);
printf("%lld %d has taken a fork\n", delta_t(philo), philo->id + 1);
printf("%lld %d is eating\n", delta_t(philo), philo->id + 1);
pthread_mutex_unlock(philo->talk);
}
void *eat_odd(t_philo *philo)
{
pthread_mutex_lock(philo->r_fork);
pthread_mutex_lock(philo->l_fork);
philo->data->tab[(philo->id + 1) % philo->data->nb_philo] -= 1;
philo->data->tab[philo->id] -= 1;
print_eat_message(philo);
if (!ft_usleep(philo, philo->data->time_to_eat))
{
pthread_mutex_unlock(philo->r_fork);
pthread_mutex_unlock(philo->l_fork);
return (NULL);
}
philo->delta_last_meal = delta_t(philo);
if (philo->data->time_each_philo_must_eat != -1)
philo->eaten += 1;
philo->data->tab[philo->id] += 1;
philo->data->tab[(philo->id + 1)
% philo->data->nb_philo] += 1;
pthread_mutex_unlock(philo->r_fork);
pthread_mutex_unlock(philo->l_fork);
return (philo);
}
void *eat_even(t_philo *philo)
{
pthread_mutex_lock(philo->l_fork);
pthread_mutex_lock(philo->r_fork);
philo->data->tab[(philo->id + 1) % philo->data->nb_philo] -= 1;
philo->data->tab[philo->id] -= 1;
print_eat_message(philo);
if (!ft_usleep(philo, philo->data->time_to_eat))
{
pthread_mutex_unlock(philo->r_fork);
pthread_mutex_unlock(philo->l_fork);
return (NULL);
}
philo->delta_last_meal = delta_t(philo);
if (philo->data->time_each_philo_must_eat != -1)
philo->eaten += 1;
philo->data->tab[philo->id] += 1;
philo->data->tab[(philo->id + 1)
% philo->data->nb_philo] += 1;
pthread_mutex_unlock(philo->l_fork);
pthread_mutex_unlock(philo->r_fork);
return (philo);
}
void *fais_dodo(t_philo *philo)
{
pthread_mutex_lock(philo->talk);
printf("%lld %d is sleeping\n", delta_t(philo), philo->id + 1);
pthread_mutex_unlock(philo->talk);
if (!ft_usleep(philo, philo->data->time_to_sleep))
return (NULL);
return (philo);
}
void *think(t_philo *philo)
{
if (!routine_control(philo))
return (NULL);
pthread_mutex_lock(philo->talk);
printf("%lld %d is thinking\n", delta_t(philo), philo->id + 1);
pthread_mutex_unlock(philo->talk);
return (philo);
}