diff options
Diffstat (limited to 'philo_two')
| -rw-r--r-- | philo_two/Makefile | 27 | ||||
| -rw-r--r-- | philo_two/io.c | 45 | ||||
| -rw-r--r-- | philo_two/main.c | 54 | ||||
| -rw-r--r-- | philo_two/philo_two.h | 45 | ||||
| -rw-r--r-- | philo_two/routine.c | 74 |
5 files changed, 237 insertions, 8 deletions
diff --git a/philo_two/Makefile b/philo_two/Makefile index 8845406..53c06f4 100644 --- a/philo_two/Makefile +++ b/philo_two/Makefile @@ -6,33 +6,44 @@ # By: cacharle <marvin@42.fr> +#+ +:+ +#+ # # +#+#+#+#+#+ +#+ # # Created: 2019/11/24 05:50:15 by cacharle #+# #+# # -# Updated: 2019/11/24 07:07:05 by cacharle ### ########.fr # +# Updated: 2020/02/14 23:37:39 by cacharle ### ########.fr # # # # **************************************************************************** # RM = rm -f +COMMON_DIR = ../common + CC = gcc -CCFLAGS = -Wall -Wextra #-Werror -LDFLAGS = -lpthread +CCFLAGS = -I$(COMMON_DIR) -Wall -Wextra #-Werror +LDFLAGS = -lpthread -L$(COMMON_DIR) -lphilocommon NAME = philo_two -SRC = main.c -OBJ = $(SRC:.c=.o) +SRC = main.c \ + io.c \ + routine.c + +OBJ = $(SRC:.c=.o) all: $(NAME) -$(NAME): $(OBJ) +$(NAME): common_all $(OBJ) $(CC) $(LDFLAGS) -o $@ $(OBJ) %.o: %.c - $(CC) $(CCFLAGS) -c -o $@ $^ + $(CC) $(CCFLAGS) -c -o $@ $< -clean: +clean: common_fclean $(RM) $(OBJ) fclean: clean $(RM) $(NAME) re: fclean all + +common_all: + make -C $(COMMON_DIR) all + +common_fclean: + make -C $(COMMON_DIR) fclean diff --git a/philo_two/io.c b/philo_two/io.c new file mode 100644 index 0000000..20aec03 --- /dev/null +++ b/philo_two/io.c @@ -0,0 +1,45 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* io.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2020/02/14 23:37:50 by cacharle #+# #+# */ +/* Updated: 2020/02/14 23:50:10 by cacharle ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include "philo_two.h" + +void io_eat(t_routine_arg *arg) +{ + pthread_mutex_lock(&arg->args->mutex_stdout); + if (arg->args->all_alive) + philo_eat(arg->id, arg->args->timeout_eat); + pthread_mutex_unlock(&arg->args->mutex_stdout); +} + +void io_think(t_routine_arg *arg) +{ + pthread_mutex_lock(&arg->args->mutex_stdout); + if (arg->args->all_alive) + philo_think(arg->id); + pthread_mutex_unlock(&arg->args->mutex_stdout); +} + +void io_sleep(t_routine_arg *arg) +{ + pthread_mutex_lock(&arg->args->mutex_stdout); + if (arg->args->all_alive) + philo_sleep(arg->id, arg->args->timeout_sleep); + pthread_mutex_unlock(&arg->args->mutex_stdout); +} + +void io_die(t_routine_arg *arg) +{ + pthread_mutex_lock(&arg->args->mutex_stdout); + if (arg->args->all_alive) + philo_die(arg->id); + pthread_mutex_unlock(&arg->args->mutex_stdout); +} diff --git a/philo_two/main.c b/philo_two/main.c new file mode 100644 index 0000000..17f5ab2 --- /dev/null +++ b/philo_two/main.c @@ -0,0 +1,54 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* main.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2020/02/14 22:45:23 by cacharle #+# #+# */ +/* Updated: 2020/02/15 00:34:26 by cacharle ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include "philo_two.h" + +int main(int argc, char **argv) +{ + int i; + t_philo_args philo_args; + t_routine_arg *routine_args; + sem_t *forks; + pthread_t *threads; + + if (!parse_args(&philo_args, argc, argv)) + return (1); + forks = sem_open("philo_two", O_CREAT, 0700, philo_args.philo_num); + if (forks == SEM_FAILED) + return (1); + if ((routine_args = routine_args_create(&philo_args, forks)) == NULL) + return (1); + if ((threads = malloc(sizeof(pthread_t) * philo_args.philo_num)) == NULL) + return (1); + philo_args.all_alive = TRUE; + pthread_mutex_init(&philo_args.mutex_all_alive, NULL); + pthread_mutex_init(&philo_args.mutex_stdout, NULL); + + i = -1; + while (++i < philo_args.philo_num) + if (pthread_create(threads + i, NULL, routine_philo, routine_args + i) < 0) + return (1); + while (philo_args.all_alive) + ; + + i = -1; + while (++i < philo_args.philo_num) + pthread_join(threads[i], NULL); + sem_close(forks); + sem_unlink("philo_two"); + + pthread_mutex_destroy(&philo_args.mutex_stdout); + pthread_mutex_destroy(&philo_args.mutex_all_alive); + free(threads); + free(routine_args); + return (0); +} diff --git a/philo_two/philo_two.h b/philo_two/philo_two.h new file mode 100644 index 0000000..d239e34 --- /dev/null +++ b/philo_two/philo_two.h @@ -0,0 +1,45 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* philo_two.h :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2020/02/14 22:47:23 by cacharle #+# #+# */ +/* Updated: 2020/02/14 23:55:04 by cacharle ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#ifndef PHILO_TWO_H +# define PHILO_TWO_H + +# include <pthread.h> +# include <semaphore.h> +# include "common.h" + +typedef struct +{ + int id; + t_philo_args *args; + t_time time_last_eat; + sem_t *forks; +} t_routine_arg; + +/* +** routine.c +*/ + +void *routine_philo(void *void_arg); +void *routine_death(void *void_arg); +t_routine_arg *routine_args_create(t_philo_args *philo_args, sem_t *forks); + +/* +** io.c +*/ + +void io_eat(t_routine_arg *arg); +void io_think(t_routine_arg *arg); +void io_sleep(t_routine_arg *arg); +void io_die(t_routine_arg *arg); + +#endif diff --git a/philo_two/routine.c b/philo_two/routine.c new file mode 100644 index 0000000..fefeb34 --- /dev/null +++ b/philo_two/routine.c @@ -0,0 +1,74 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* routine.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2020/02/14 23:00:07 by cacharle #+# #+# */ +/* Updated: 2020/02/15 00:35:26 by cacharle ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include "philo_two.h" + +void *routine_philo(void *void_arg) +{ + t_routine_arg *arg; + pthread_t thread_death; + + arg = (t_routine_arg*)void_arg; + io_think(arg); + if (!arg->args->all_alive) + return (NULL); + arg->time_last_eat = h_time_now(); + if (pthread_create(&thread_death, NULL, routine_death, arg) != 0) + return (NULL); + while (arg->args->all_alive) + { + sem_wait(arg->forks); + sem_wait(arg->forks); + io_eat(arg); + sem_post(arg->forks); + sem_post(arg->forks); + arg->time_last_eat = h_time_now(); + io_sleep(arg); + io_think(arg); + } + pthread_join(thread_death, NULL); + return (NULL); +} + +void *routine_death(void *void_arg) +{ + t_routine_arg *arg; + t_time current; + + arg = (t_routine_arg*)void_arg; + current = h_time_now(); + while (arg->args->all_alive && + current - arg->time_last_eat < arg->args->timeout_death) + current = h_time_now(); + io_die(arg); + pthread_mutex_lock(&arg->args->mutex_all_alive); + arg->args->all_alive = FALSE; + pthread_mutex_unlock(&arg->args->mutex_all_alive); + return (NULL); +} + +t_routine_arg *routine_args_create(t_philo_args *philo_args, sem_t *forks) +{ + int i; + t_routine_arg *routine_args; + + if ((routine_args = malloc(sizeof(t_routine_arg) * philo_args->philo_num)) == NULL) + return (NULL); + i = -1; + while (++i < philo_args->philo_num) + { + routine_args[i].id = i + 1; + routine_args[i].forks = forks; + routine_args[i].args = philo_args; + } + return (routine_args); +} |
