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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* init.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: dkaiser <dkaiser@student.42heilbronn.de +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/01/28 13:12:57 by dkaiser #+# #+# */
/* Updated: 2025/01/28 14:36:59 by dkaiser ### ########.fr */
/* */
/* ************************************************************************** */
#include "philo.h"
#include <pthread.h>
static void init_philo(t_philo *philo, t_phdata *data, int id);
static int init_philos(t_philo **philos, t_phdata *data);
static void free_all(t_philo *philos, t_phdata *data);
int init(t_philo **philos, t_phdata *data)
{
int result;
*philos = (t_philo *)malloc(sizeof(t_philo) * data->nbr_of_philos);
if (*philos == NULL)
return (ft_err(ERR_MALLOC));
data->forks = (t_fork *)malloc(sizeof(t_fork) * data->nbr_of_philos);
if (data->forks == NULL)
{
free(*philos);
return (ft_err(ERR_MALLOC));
}
result = pthread_mutex_init(&(data->pme_mutex), NULL);
if (result != 0)
{
free_all(*philos, data);
return (result);
}
result = pthread_mutex_init(&data->sr_mutex, NULL);
if (result != 0)
{
free_all(*philos, data);
return (result);
}
result = init_philos(philos, data);
return (result);
}
static int init_philos(t_philo **philos, t_phdata *data)
{
int i;
int result;
i = 0;
while (i < data->nbr_of_philos)
{
init_philo(&(*philos)[i], data, i + 1);
data->forks[i].owner = 0;
result = pthread_mutex_init(&(data->forks[i].mutex), NULL);
if (result != 0)
{
free(*philos);
free(data->forks);
return (result);
}
i++;
}
return (EXIT_SUCCESS);
}
static void init_philo(t_philo *philo, t_phdata *data, int id)
{
philo->id = id;
philo->is_alive = 1;
philo->times_must_eat = data->times_must_eat;
philo->data = data;
philo->last_time_eaten = ft_cur_time_in_ms();
}
static void free_all(t_philo *philos, t_phdata *data)
{
free(philos);
free_data(data);
}
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