92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* routine.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: lfirmin <lfirmin@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/11/22 14:47:26 by lfirmin #+# #+# */
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/* Updated: 2025/04/17 14:27:04 by lfirmin ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "../include/philo.h"
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int eating(t_philo *philo)
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{
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if (!philo)
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return (1);
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if (check_if_dead(philo))
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return (1);
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if (take_fork_and_eat(philo))
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return (1);
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return (0);
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}
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int sleeping(t_philo *philo)
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{
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if (check_if_dead(philo))
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return (1);
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print_message(philo, "is sleeping");
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if (safe_sleep(philo, philo->data->t_sleep * 1000))
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return (1);
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return (0);
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}
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int thinking(t_philo *philo)
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{
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if (print_message(philo, "is thinking"))
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return (1);
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if (philo->data->nb_philo % 2 == 0)
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{
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if (philo->data->t_eat > philo->data->t_sleep)
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usleep((philo->data->t_eat - philo->data->t_sleep) * 1000);
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}
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else
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{
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if (2 * philo->data->t_eat > philo->data->t_sleep)
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usleep((2 * philo->data->t_eat - philo->data->t_sleep) * 1000);
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}
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return (0);
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}
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void philo_routine_init(t_philo *philo)
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{
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if (philo->id % 2 == 0)
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{
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if (philo->data->nb_philo > 100)
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usleep(500);
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else
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usleep(1000);
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}
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pthread_mutex_lock(&philo->meal_lock);
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philo->last_meal = get_time();
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pthread_mutex_unlock(&philo->meal_lock);
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}
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void *philo_routine(void *arg)
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{
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t_philo *philo;
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int should_continue;
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philo = (t_philo *)arg;
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if (philo->data->nb_philo == 1)
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return (eating_1_philo(philo), NULL);
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if (philo->id % 2 == 0)
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usleep(philo->data->t_eat * 500);
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while (1)
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{
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pthread_mutex_lock(&philo->data->dead_mutex);
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should_continue = ft_should_continue(philo);
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pthread_mutex_unlock(&philo->data->dead_mutex);
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if (!should_continue)
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break ;
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if (eating(philo) == 1)
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break ;
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if (sleeping(philo) == 1)
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break ;
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if (thinking(philo) == 1)
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break ;
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}
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return (NULL);
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}
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