diff options
Diffstat (limited to 'philo_three/src')
| -rw-r--r-- | philo_three/src/child.c | 5 | ||||
| -rw-r--r-- | philo_three/src/event.c | 13 | ||||
| -rw-r--r-- | philo_three/src/main.c | 110 | ||||
| -rw-r--r-- | philo_three/src/philo_three.h | 35 |
4 files changed, 85 insertions, 78 deletions
diff --git a/philo_three/src/child.c b/philo_three/src/child.c index 144f7ba..641b82d 100644 --- a/philo_three/src/child.c +++ b/philo_three/src/child.c @@ -6,7 +6,7 @@ /* By: cacharle <me@cacharle.xyz> +#+ +:+ +#+ */ /* +#+#+#+#+#+ +#+ */ /* Created: 2020/09/30 14:36:16 by cacharle #+# #+# */ -/* Updated: 2021/01/08 20:52:22 by charles ### ########.fr */ +/* Updated: 2021/01/09 15:59:00 by charles ### ########.fr */ /* */ /* ************************************************************************** */ @@ -43,7 +43,7 @@ void st_child_loop(t_philo *philo) if (philo->conf->meal_num != -1 && eat_counter == philo->conf->meal_num) { sem_wait(philo->sem_stdout); - sem_post(philo->sem_finish); + sem_post(philo->sem_meal_num); sem_post(philo->sem_stdout); } event_sleep(philo); @@ -63,6 +63,7 @@ pid_t child_start(t_philo *philo) philo->forks = sem_open(PHILO_SEM_NAME, 0); philo->sem_stdout = sem_open(PHILO_SEM_STDOUT_NAME, 0); philo->sem_finish = sem_open(PHILO_SEM_FINISH_NAME, 0); + philo->sem_meal_num = sem_open(PHILO_SEM_MEAL_NUM_NAME, 0); philo->sem_start = sem_open(PHILO_SEM_START_NAME, 0); philo->sem_grab = sem_open(PHILO_SEM_GRAB_NAME, 0); philo->time_last_eat = h_time_now(); diff --git a/philo_three/src/event.c b/philo_three/src/event.c index 1c7fa14..a7b6d2a 100644 --- a/philo_three/src/event.c +++ b/philo_three/src/event.c @@ -6,7 +6,7 @@ /* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */ /* +#+#+#+#+#+ +#+ */ /* Created: 2020/02/14 21:37:50 by cacharle #+# #+# */ -/* Updated: 2021/01/08 20:25:44 by charles ### ########.fr */ +/* Updated: 2021/01/09 15:48:12 by charles ### ########.fr */ /* */ /* ************************************************************************** */ @@ -51,17 +51,8 @@ void event_sleep(t_philo *philo) void event_die(t_philo *philo) { - long int i; - sem_wait(philo->sem_stdout); philo_put(philo->id, EVENT_DIE, philo->initial_time); philo_put_flush(); - if (philo->conf->meal_num == -1) - sem_post(philo->sem_finish); - else - { - i = -1; - while (++i < philo->conf->philo_num) - sem_post(philo->sem_finish); - } + sem_post(philo->sem_finish); } diff --git a/philo_three/src/main.c b/philo_three/src/main.c index 8790140..64b1004 100644 --- a/philo_three/src/main.c +++ b/philo_three/src/main.c @@ -6,7 +6,7 @@ /* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */ /* +#+#+#+#+#+ +#+ */ /* Created: 2020/02/15 00:45:24 by cacharle #+# #+# */ -/* Updated: 2021/01/08 20:23:28 by charles ### ########.fr */ +/* Updated: 2021/01/09 15:57:47 by charles ### ########.fr */ /* */ /* ************************************************************************** */ @@ -18,7 +18,7 @@ static sem_t *st_sem_create(char *name, unsigned int value) return (sem_open(name, O_CREAT | O_EXCL, 0700, value)); } -static int st_destroy(t_sems *sems, pid_t *pids, int philo_num) +static int st_destroy(t_philo_conf *conf, pid_t *pids, int philo_num) { int i; @@ -29,92 +29,98 @@ static int st_destroy(t_sems *sems, pid_t *pids, int philo_num) kill(pids[i], SIGKILL); free(pids); } - sem_close(sems->forks); + sem_close(conf->forks); sem_unlink(PHILO_SEM_NAME); - sem_close(sems->sem_stdout); + sem_close(conf->sem_stdout); sem_unlink(PHILO_SEM_STDOUT_NAME); - sem_close(sems->sem_finish); + sem_close(conf->sem_finish); sem_unlink(PHILO_SEM_FINISH_NAME); - sem_close(sems->sem_start); + sem_close(conf->sem_meal_num); + sem_unlink(PHILO_SEM_MEAL_NUM_NAME); + sem_close(conf->sem_start); sem_unlink(PHILO_SEM_START_NAME); - sem_close(sems->sem_grab); + sem_close(conf->sem_grab); sem_unlink(PHILO_SEM_GRAB_NAME); return (1); } +/* static bool st_sem_create(const char *name, unsigned int value, sem_t **sem) */ +/* { */ +/* sem_unlink(name); */ +/* return ((*sem = sem_open(name, O_CREAT | O_EXCL, 0700, value)) */ +/* != SEM_FAILED); */ +/* } */ + static int st_setup( - t_philo_args *args, t_sems *sems, pid_t **pids, t_time initial_time) + t_philo_conf *conf, pid_t **pids, t_time initial_time) { t_philo philo; int i; - sems->sem_stdout = SEM_FAILED; - sems->sem_finish = SEM_FAILED; - sems->sem_start = SEM_FAILED; - if ((sems->forks = - st_sem_create(PHILO_SEM_NAME, args->philo_num)) == SEM_FAILED - || (sems->sem_stdout = - st_sem_create(PHILO_SEM_STDOUT_NAME, 1)) == SEM_FAILED - || (sems->sem_finish = - st_sem_create(PHILO_SEM_FINISH_NAME, - args->meal_num == -1 ? 1 : args->philo_num)) == SEM_FAILED - || (sems->sem_start = - st_sem_create(PHILO_SEM_START_NAME, args->philo_num)) == SEM_FAILED - || (sems->sem_grab = st_sem_create(PHILO_SEM_GRAB_NAME, 1)) == SEM_FAILED - || (*pids = malloc(sizeof(pid_t) * args->philo_num)) == NULL) - return (st_destroy(sems, *pids, 0)); + conf->sem_stdout = SEM_FAILED; + conf->sem_finish = SEM_FAILED; + conf->sem_start = SEM_FAILED; + if ((conf->forks = st_sem_create(PHILO_SEM_NAME, conf->philo_num)) == SEM_FAILED + || (conf->sem_stdout = st_sem_create(PHILO_SEM_STDOUT_NAME, 1)) == SEM_FAILED + || (conf->sem_finish = st_sem_create(PHILO_SEM_FINISH_NAME, 1)) == SEM_FAILED + || (conf->sem_meal_num = st_sem_create(PHILO_SEM_MEAL_NUM_NAME, conf->philo_num)) == SEM_FAILED + || (conf->sem_start = st_sem_create(PHILO_SEM_START_NAME, conf->philo_num)) == SEM_FAILED + || (conf->sem_grab = st_sem_create(PHILO_SEM_GRAB_NAME, 1)) == SEM_FAILED + || (*pids = malloc(sizeof(pid_t) * conf->philo_num)) == NULL) + return (st_destroy(conf, *pids, 0)); i = -1; - while (++i < args->philo_num) - sem_wait(sems->sem_start); + while (++i < conf->philo_num) + sem_wait(conf->sem_start); i = -1; - while (++i < args->philo_num) + while (++i < conf->philo_num) { - philo.conf = args; + philo.conf = conf; philo.id = i + 1; philo.initial_time = initial_time; if (((*pids)[i] = child_start(&philo)) == -1) - return (st_destroy(sems, *pids, i)); + return (st_destroy(conf, *pids, i)); } i = -1; - while (++i < args->philo_num) - sem_post(sems->sem_start); + while (++i < conf->philo_num) + sem_post(conf->sem_start); return (0); } -static void st_wait(t_philo_args *args, t_sems *sems) +static void *st_routine_meal_num(t_philo_conf *conf) { long int i; - if (args->meal_num == -1) - { - sem_wait(sems->sem_finish); - sem_wait(sems->sem_finish); - } - else - { - i = -1; - while (++i < args->philo_num) - sem_wait(sems->sem_finish); - i = -1; - while (++i < args->philo_num) - sem_wait(sems->sem_finish); - } + i = -1; + while (++i < conf->philo_num) + sem_wait(conf->sem_meal_num); + i = -1; + while (++i < conf->philo_num) + sem_wait(conf->sem_meal_num); + sem_wait(conf->sem_stdout); + sem_post(conf->sem_finish); + return (NULL); } int main(int argc, char **argv) { - t_philo_args args; - t_sems sems; + t_philo_conf conf; pid_t *pids; - if (!parse_args(&args, argc, argv)) + if (!parse_args((t_philo_args*)&conf, argc, argv)) return (1); - if (args.philo_num == 0 || args.meal_num == 0) + if (conf.philo_num == 0 || conf.meal_num == 0) return (0); pids = NULL; - if (st_setup(&args, &sems, &pids, h_time_now()) != 0) + if (st_setup(&conf, &pids, h_time_now()) != 0) return (1); - st_wait(&args, &sems); - st_destroy(&sems, pids, args.philo_num); + if (conf.meal_num != -1) + { + pthread_t thread_meal_num; + pthread_create(&thread_meal_num, NULL, (t_routine)st_routine_meal_num, (void*)&conf); + pthread_detach(thread_meal_num); + } + sem_wait(conf.sem_finish); + sem_wait(conf.sem_finish); + st_destroy(&conf, pids, conf.philo_num); return (0); } diff --git a/philo_three/src/philo_three.h b/philo_three/src/philo_three.h index f2b841d..18c7bcb 100644 --- a/philo_three/src/philo_three.h +++ b/philo_three/src/philo_three.h @@ -6,7 +6,7 @@ /* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */ /* +#+#+#+#+#+ +#+ */ /* Created: 2020/02/15 00:46:26 by cacharle #+# #+# */ -/* Updated: 2021/01/08 20:25:00 by charles ### ########.fr */ +/* Updated: 2021/01/09 15:47:32 by charles ### ########.fr */ /* */ /* ************************************************************************** */ @@ -23,33 +23,42 @@ # include "common.h" -# define PHILO_SEM_NAME "semaphore_philo_three" -# define PHILO_SEM_STDOUT_NAME "semaphore_philo_three_stdout" -# define PHILO_SEM_FINISH_NAME "semaphore_philo_three_finish" -# define PHILO_SEM_START_NAME "semaphore_philo_three_start" -# define PHILO_SEM_GRAB_NAME "semaphore_philo_three_grab" +# define PHILO_SEM_NAME "semaphore_philo_three" +# define PHILO_SEM_STDOUT_NAME "semaphore_philo_three_stdout" +# define PHILO_SEM_FINISH_NAME "semaphore_philo_three_finish" +# define PHILO_SEM_MEAL_NUM_NAME "semaphore_philo_three_meal_num" +# define PHILO_SEM_START_NAME "semaphore_philo_three_start" +# define PHILO_SEM_GRAB_NAME "semaphore_philo_three_grab" -typedef struct s_philo +typedef struct s_philo_conf { - t_philo_args *conf; - int id; - t_time time_last_eat; + long int philo_num; + t_time timeout_death; + t_time timeout_eat; + t_time timeout_sleep; + long int meal_num; t_time initial_time; sem_t *forks; sem_t *sem_stdout; sem_t *sem_finish; + sem_t *sem_meal_num; sem_t *sem_start; sem_t *sem_grab; -} t_philo; +} t_philo_conf; -typedef struct s_sems +typedef struct s_philo { + t_philo_conf *conf; + int id; + t_time time_last_eat; + t_time initial_time; sem_t *forks; sem_t *sem_stdout; sem_t *sem_finish; + sem_t *sem_meal_num; sem_t *sem_start; sem_t *sem_grab; -} t_sems; +} t_philo; pid_t child_start(t_philo *arg); |
