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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: dkaiser <dkaiser@student.42heilbronn.de +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/01/14 17:13:30 by dkaiser #+# #+# */
/* Updated: 2025/01/18 16:59:24 by dkaiser ### ########.fr */
/* */
/* ************************************************************************** */
#include "philo.h"
int load_data(t_phdata *data, int argc, char *argv[])
{
data->nbr_of_philos = ft_atoi(argv[1]);
data->time_to_die = ft_atoi(argv[2]);
data->time_to_eat = ft_atoi(argv[3]);
data->time_to_sleep = ft_atoi(argv[4]);
if (argc == 6)
data->times_must_eat = ft_atoi(argv[5]);
else
data->times_must_eat = -1;
if (data->nbr_of_philos <= 0)
return (ft_err("Must have at least one philosopher"));
if (data->time_to_die < 0)
return (ft_err("ttd can't be negative"));
if (data->time_to_eat < 0)
return (ft_err("tte can't be negative"));
if (data->time_to_sleep < 0)
return (ft_err("tts can't be negative"));
data->philos_must_eat = data->nbr_of_philos;
return (EXIT_SUCCESS);
}
int init(t_philo **philos, t_phdata *data)
{
int i;
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));
}
i = 0;
result = pthread_mutex_init(&(data->forks[i].mutex), NULL);
if (result != 0)
{
free(*philos);
free(data->forks);
return (result);
}
while (i < data->nbr_of_philos)
{
(*philos)[i].id = i + 1;
(*philos)[i].is_alive = 1;
(*philos)[i].times_must_eat = data->times_must_eat;
(*philos)[i].data = data;
(*philos)[i].last_time_eaten = ft_cur_time_in_ms();
data->forks[i].available = 1;
result = pthread_mutex_init(&(data->forks[i].mutex), NULL);
if (result != 0)
{
free(*philos);
free(data->forks);
return (result);
}
i++;
}
return (EXIT_SUCCESS);
}
int main(int argc, char *argv[])
{
t_phdata data;
t_philo *philos;
int result;
if (argc != 5 && argc != 6)
return(ft_err(ERR_USAGE));
result = load_data(&data, argc, argv);
if (result != EXIT_SUCCESS)
return (result);
result = init(&philos, &data);
if (result != EXIT_SUCCESS)
return (result);
data.simulation_running = 1;
result = run_simulation(data.nbr_of_philos, philos);
free(philos);
free(data.forks);
return (result);
}
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