65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* threads.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: erey-bet <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/03/08 20:08:33 by erey-bet #+# #+# */
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/* Updated: 2023/03/13 18:33:50 by erey-bet ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "philo.h"
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#include <pthread.h>
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void *philosopher(t_philo *philo)
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{
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pthread_mutex_lock(&philo->mutex);
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write(1, "Hey i'm ", 8);
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ft_putnbr_fd(*philo->id, 1);
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write(1, "\n", 1);
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pthread_mutex_unlock(&philo->mutex);
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return (NULL);
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}
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int manage_threads(t_config *config)
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{
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pthread_t *threads;
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pthread_mutex_t mutex_first_fork;
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pthread_mutex_t mutex_second_fork;
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pthread_mutex_t mutex_dead;
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t_philo *philo;
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int i;
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threads = malloc(config->nbr_philo * sizeof(pthread_t));
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if (threads == NULL)
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return (1);
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pthread_mutex_init(&mutex, NULL);
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philo = ft_calloc(sizeof(t_philo), 1);
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if (!philo)
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return (1);
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philo->conf = *config;
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philo->mutex = mutex;
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i = -1;
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while (++i < config->nbr_philo)
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{
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philo->id = &i;
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if (pthread_create(&threads[i], NULL, (void *)&philosopher, philo) != 0)
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{
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write(2, "Error thread creation\n", 21);
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return (1);
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}
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}
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while (--i > -1)
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{
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if (pthread_join(threads[i], NULL) != 0)
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{
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write(2, "Error thread finish\n", 20);
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return (1);
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}
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}
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pthread_mutex_destroy(&mutex);
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return (0);
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}
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