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77 lines
2.4 KiB
77 lines
2.4 KiB
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* philo_launcher.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: 2022/04/11 14:55:43 by narnaud ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "philosophers.h"
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int waiter(t_room *room);
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int main(int argc, char **argv)
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{
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t_room *room;
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if (argc < 5 || argc > 6)
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return (1);
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room = init_room(argv + 1);
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pthread_create(&room->clock_thd, NULL, room_clock, (void *)room);
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while (room->i >= 0)
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{
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pthread_mutex_lock(room->safe);
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if (room->i >= room->param->philo_amount)
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room->i -= 1 + (room->param->philo_amount % 2) * 2;
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pthread_create(room->philos[room->i]->thd, NULL, \
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philos_life, (void *)room);
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pthread_detach(*room->philos[room->i]->thd);
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pthread_mutex_unlock(room->safe);
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usleep(CLOCK_ONE);
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pthread_mutex_lock(room->safe);
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if ((room->i % 2) == 0)
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room->i += 2;
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else if ((room->i % 2) == 1)
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room->i -= 2;
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pthread_mutex_unlock(room->safe);
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}
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while (!waiter(room))
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usleep(CLOCK_TWO);
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return (clean_memory(room));
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}
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int waiter(t_room *room)
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{
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t_param *param;
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int i;
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int starvest;
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pthread_mutex_lock(room->safe);
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i = 0;
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param = room->param;
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starvest = param->eat_amount;
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while (i < param->philo_amount)
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{
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pthread_mutex_lock(room->philos[i]->safe);
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if (room->philos[i]->eat_time + param->die_time < room->time)
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{
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safe_print("%ld %d died\n", room, i);
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room->running = 0;
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pthread_mutex_unlock(room->philos[i]->safe);
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pthread_mutex_unlock(room->safe);
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return (1);
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}
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if (room->philos[i]->eat_amount < starvest)
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starvest = room->philos[i]->eat_amount;
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pthread_mutex_unlock(room->philos[i]->safe);
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i++;
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}
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if (starvest == param->eat_amount)
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room->running = 0;
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pthread_mutex_unlock(room->safe);
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return (!room->running);
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}
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