42 school project
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* philo_init.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: narnaud <narnaud@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/11 10:33:01 by narnaud #+# #+# */
/* Updated: 2022/04/11 10:35:12 by narnaud ### ########.fr */
/* */
/* ************************************************************************** */
#include "philosophers.h"
t_param *init_param(char **argv)
{
t_param *ret;
ret = malloc(sizeof(t_param));
ret->philo_amount = mini_atoi(argv[0]);
ret->die_time = mini_atoi(argv[1]);
ret->eat_duration = mini_atoi(argv[2]);
ret->sleep_duration = mini_atoi(argv[3]);
if (argv[4])
ret->eat_amount = mini_atoi(argv[4]);
else
ret->eat_amount = 2147483647;
return (ret);
}
t_room *init_room(char **argv)
{
t_room *room;
struct timeval time;
static int i = 0;
gettimeofday(&time, NULL);
room = malloc(sizeof(t_room));
room->param = init_param(argv);
room->safe = malloc(sizeof(pthread_mutex_t));
pthread_mutex_init(room->safe, NULL);
room->philos = \
(t_philo **)malloc(room->param->philo_amount * sizeof(t_philo *));
room->running = 1;
room->start_time = time.tv_sec * 1000 + time.tv_usec / 1000;
room->time = 0;
room->i = 0;
while (i < room->param->philo_amount)
{
room->philos[i] = (t_philo *)malloc(sizeof(t_philo));
room->philos[i]->fork = malloc(sizeof(pthread_mutex_t));
room->philos[i]->safe = malloc(sizeof(pthread_mutex_t));
room->philos[i]->thd = malloc(sizeof(pthread_t));
room->philos[i]->eat_time = room->time;
room->philos[i]->eat_amount = 0;
room->philos[i]->i = i;
pthread_mutex_init(room->philos[i]->fork, NULL);
pthread_mutex_init(room->philos[i++]->safe, NULL);
}
return (room);
}