74 lines
2.2 KiB
C
74 lines
2.2 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* data.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: cchauvet <cchauvet@student.42angouleme.fr +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/04/27 11:28:36 by cchauvet #+# #+# */
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/* Updated: 2023/05/25 14:48:52 by cchauvet ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "./data.h"
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#include "philo.h"
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#include "philos.h"
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#include <unistd.h>
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#include <stdbool.h>
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bool data_init(t_data *data)
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{
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ssize_t i;
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data->stop = 0;
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data->forks = malloc(sizeof(pthread_mutex_t) * data->nb_philos);
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if (data->forks == NULL)
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return (1);
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data->philos = malloc(sizeof(t_philo) * data->nb_philos);
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if (data->philos == NULL)
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free(data->forks);
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if (data->philos == NULL)
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return (1);
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data->threads = malloc(sizeof(pthread_t) * data->nb_philos);
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if (data->forks == NULL)
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{
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free(data->philos);
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free(data->forks);
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return (1);
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}
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i = -1;
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while (++i < (ssize_t) data->nb_philos)
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pthread_mutex_init(&data->forks[i], NULL);
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pthread_mutex_init(&data->stop_mutex, NULL);
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pthread_mutex_init(&data->print_mutex, NULL);
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return (0);
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}
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void data_destroyer(t_data *data)
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{
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ssize_t i;
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t_philo *philo;
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bool stop;
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i = 0;
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while (i < (ssize_t) data->nb_philos)
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{
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philo = data->philos[i];
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pthread_mutex_lock(&philo->stop_mutex);
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stop = philo->stop;
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pthread_mutex_unlock(&philo->stop_mutex);
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if (stop)
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i++;
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usleep(1000);
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}
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usleep(1000);
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i = -1;
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while (++i < (ssize_t) data->nb_philos)
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pthread_mutex_destroy(&data->forks[i]);
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pthread_mutex_destroy(&data->stop_mutex);
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pthread_mutex_destroy(&data->print_mutex);
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free(data->threads);
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free(data->forks);
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philos_destroyer(data);
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}
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