/* By: dkaiser <dkaiser@student.42heilbronn.de +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/01/17 10:23:19 by dkaiser #+# #+# */
-/* Updated: 2025/01/17 12:01:01 by dkaiser ### ########.fr */
+/* Updated: 2025/01/18 11:20:26 by dkaiser ### ########.fr */
/* */
/* ************************************************************************** */
# include "ft_utils.h"
# define ERR_USAGE "Usage: <nbr_of_philos> <ttd> <tte> <tts> [times_must_eat]"
+# define ERR_MALLOC "Memory allocation failed"
+
+typedef struct s_fork
+{
+ int available;
+ pthread_mutex_t mutex;
+} t_fork;
typedef struct s_phdata
{
int time_to_eat;
int time_to_sleep;
int times_must_eat;
+ int simulation_running;
+ t_fork *forks;
} t_phdata;
+typedef struct s_philo
+{
+ int id;
+ int times_eaten;
+ int is_alive;
+ pthread_t thread;
+ t_phdata *data;
+} t_philo;
+
#endif
/* By: dkaiser <dkaiser@student.42heilbronn.de +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/01/14 17:13:30 by dkaiser #+# #+# */
-/* Updated: 2025/01/17 12:40:05 by dkaiser ### ########.fr */
+/* Updated: 2025/01/18 11:20:47 by dkaiser ### ########.fr */
/* */
/* ************************************************************************** */
if (argc == 6)
data->times_must_eat = ft_atoi(argv[2]);
else
- data->times_must_eat = 0;
+ 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("tte can't be negative"));
if (data->time_to_sleep < 0)
return (ft_err("tts can't be negative"));
- if (data->times_must_eat < 0)
- data->times_must_eat = 0;
+ return (EXIT_SUCCESS);
+}
+
+int init(t_philo **philos, t_phdata *data)
+{
+ int i;
+
+ *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(int) * data->nbr_of_philos);
+ if (data->forks == NULL)
+ {
+ free(*philos);
+ return (ft_err(ERR_MALLOC));
+ }
+ i = 0;
+ while (i < data->nbr_of_philos)
+ {
+ (*philos)[i].id = i + 1;
+ (*philos)[i].is_alive = 1;
+ (*philos)[i].times_eaten = 0;
+ (*philos)[i].data = data;
+ data->forks[i].available = 1;
+ pthread_mutex_init(&(data->forks[i].mutex), NULL);
+ i++;
+ }
return (EXIT_SUCCESS);
}
int main(int argc, char *argv[])
{
t_phdata data;
+ t_philo *philos;
int result;
if (argc != 5 && argc != 6)
result = load_data(&data, argc, argv);
if (result != EXIT_SUCCESS)
return (result);
- return (EXIT_SUCCESS);
+ result = init(&philos, &data);
+ if (result != EXIT_SUCCESS)
+ return (result);
+ free(philos);
+ free(data.forks);
+ return (result);
}