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83 lines
2.5 KiB
83 lines
2.5 KiB
3 years ago
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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* philo_init.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: narnaud <narnaud@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2021/11/24 15:44:04 by narnaud #+# #+# */
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/* Updated: 2022/05/19 00:47:38 by narnaud@stude ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "philo.h"
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t_room *create_room(char **argv)
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{
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t_room *room;
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room = malloc(sizeof(t_room));
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room->param[PHILO_AMOUNT] = mini_atoi(argv[0]);
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room->param[DIE_TIME] = mini_atoi(argv[1]);
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room->param[EAT_DURATION] = mini_atoi(argv[2]);
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room->param[SLEEP_DURATION] = mini_atoi(argv[3]);
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if (argv[4])
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room->param[MEALS_AMOUNT] = mini_atoi(argv[4]);
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else
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room->param[MEALS_AMOUNT] = 2147483647;
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room->lock = malloc(sizeof(pthread_mutex_t));
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room->forks = (pthread_mutex_t *)malloc(
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(room->param[PHILO_AMOUNT]) * sizeof(pthread_mutex_t));
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pthread_mutex_init(room->lock, NULL);
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room->running = 1;
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return (room);
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}
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t_philo *create_philos(t_room *room)
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{
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t_philo *ret;
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static int i;
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ret = (t_philo *)malloc((room->param[PHILO_AMOUNT] + 1) * sizeof(t_philo));
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while (i < room->param[PHILO_AMOUNT])
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{
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ret[i].fork = &room->forks[i];
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ret[i].fork_r = &room->forks[(i + 1) % room->param[PHILO_AMOUNT]];
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ret[i].lock = malloc(sizeof(pthread_mutex_t));
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ret[i].thd = malloc(sizeof(pthread_t));
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ret[i].room = room;
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ret[i].eat_time = room_clock();
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ret[i].eat_amount = 0;
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ret[i].id = i;
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pthread_mutex_init(ret[i].fork, NULL);
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pthread_mutex_init(ret[i++].lock, NULL);
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}
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ret[i].id = -1;
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return (ret);
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}
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void invit_philos(t_philo *philos)
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{
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static int i;
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t_room *room;
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t_philo *philo;
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philo = philos;
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room = philo->room;
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while (i >= 0)
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{
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pthread_create(philo->thd, NULL, philos_life, (void *)philo);
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pthread_detach(*philo->thd);
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usleep(100);
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if ((i % 2) == 0)
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{
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i += 2;
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if (i >= room->param[PHILO_AMOUNT])
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i -= 1 + (room->param[PHILO_AMOUNT] % 2) * 2;
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}
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else if ((i % 2) == 1)
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i -= 2;
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philo = philos + i;
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}
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}
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