51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* eat.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: adjoly <adjoly@student.42angouleme.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/08/08 17:29:51 by adjoly #+# #+# */
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/* Updated: 2024/08/23 15:35:29 by adjoly ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "philo.h"
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void take_fork(t_fork *fork, int id)
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{
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if (id % 2)
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pthread_mutex_lock(&fork->left);
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else if (!(id % 2))
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pthread_mutex_lock(fork->right);
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}
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bool philo_eat(t_philo *philo)
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{
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philo->state = FORK_TAKEN;
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if (get_death(philo, RETURN))
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return (true);
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take_fork(&philo->fork, philo->id);
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log_philo(philo);
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if (&(philo->fork.left) == philo->fork.right)
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return (print_death(philo));
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if (get_death(philo, RETURN))
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return (true);
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take_fork(&philo->fork, philo->id + 1);
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log_philo(philo);
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philo->state = EAT;
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log_philo(philo);
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pthread_mutex_lock(philo->check);
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gettimeofday(&philo->eat, NULL);
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pthread_mutex_unlock(philo->check);
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if (sleep_phil(philo) == true)
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return (true);
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pthread_mutex_unlock(&philo->fork.left);
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pthread_mutex_unlock(philo->fork.right);
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pthread_mutex_lock(philo->check);
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if (philo->data.no_meal == false && philo->meal_left > 0)
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philo->meal_left--;
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pthread_mutex_unlock(philo->check);
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return (false);
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}
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