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-rw-r--r--philo_one/fork.c26
-rw-r--r--philo_one/main.c3
-rw-r--r--philo_one/philo.c7
-rw-r--r--philo_one/philo_one.h88
-rw-r--r--philo_one/routine.c21
5 files changed, 59 insertions, 86 deletions
diff --git a/philo_one/fork.c b/philo_one/fork.c
index ed1d642..3f91b35 100644
--- a/philo_one/fork.c
+++ b/philo_one/fork.c
@@ -6,13 +6,13 @@
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/09 23:46:40 by cacharle #+# #+# */
-/* Updated: 2020/02/14 21:31:40 by cacharle ### ########.fr */
+/* Updated: 2020/02/15 01:23:25 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include "philo_one.h"
-t_fork *forks_new(int num)
+t_fork *forks_new(int num)
{
int i;
t_fork *forks;
@@ -22,7 +22,7 @@ t_fork *forks_new(int num)
i = -1;
while (++i < num)
{
- if (pthread_mutex_init(&forks[i].mutex, NULL) != 0)
+ if (pthread_mutex_init(&forks[i], NULL) != 0)
{
forks_destroy(forks, i + 1);
return (NULL);
@@ -31,22 +31,21 @@ t_fork *forks_new(int num)
return (forks);
}
-void forks_destroy(t_fork *forks, int num)
+void forks_destroy(t_fork *forks, int num)
{
while (num-- > 0)
- {
- forks[num].used = TRUE;
- pthread_mutex_destroy(&forks[num].mutex);
- }
+ pthread_mutex_destroy(&forks[num]);
free(forks);
}
-t_routine_arg *forks_dispatch(t_philo *philos, t_fork *forks, t_philo_args *args)
+t_routine_arg *forks_dispatch(t_philo *philos, t_fork *forks,
+ t_philo_args *args)
{
int i;
t_routine_arg *routine_args;
- if ((routine_args = (t_routine_arg*)malloc(sizeof(t_routine_arg) * args->philo_num)) == NULL)
+ if ((routine_args = (t_routine_arg*)malloc(sizeof(t_routine_arg)
+ * args->philo_num)) == NULL)
return (NULL);
i = -1;
while (++i < args->philo_num)
@@ -58,10 +57,3 @@ t_routine_arg *forks_dispatch(t_philo *philos, t_fork *forks, t_philo_args *args
}
return (routine_args);
}
-
-void fork_switch(t_fork *fork)
-{
- pthread_mutex_lock(&fork->mutex);
- fork->used = !fork->used;
- pthread_mutex_unlock(&fork->mutex);
-}
diff --git a/philo_one/main.c b/philo_one/main.c
index ddc9e52..abf9d9a 100644
--- a/philo_one/main.c
+++ b/philo_one/main.c
@@ -6,13 +6,12 @@
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/11/24 05:53:02 by cacharle #+# #+# */
-/* Updated: 2020/02/14 20:52:02 by cacharle ### ########.fr */
+/* Updated: 2020/02/15 00:57:24 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include "philo_one.h"
-
int main(int argc, char **argv)
{
t_philo_args philo_args;
diff --git a/philo_one/philo.c b/philo_one/philo.c
index 84dfd7f..fffbc6c 100644
--- a/philo_one/philo.c
+++ b/philo_one/philo.c
@@ -6,13 +6,13 @@
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/09 23:47:14 by cacharle #+# #+# */
-/* Updated: 2020/02/14 20:07:57 by cacharle ### ########.fr */
+/* Updated: 2020/02/15 01:01:51 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include "philo_one.h"
-t_philo *philos_new(int num)
+t_philo *philos_new(int num)
{
int i;
t_philo *philos;
@@ -46,7 +46,8 @@ t_bool philos_start(t_philo *philos, t_routine_arg *routine_args, int num)
while (++i < num)
{
philos[i].alive = TRUE;
- if (pthread_create(&philos[i].thread, NULL, &routine_philo, (void*)(routine_args + i)) == -1)
+ if (pthread_create(&philos[i].thread, NULL,
+ &routine_philo, (void*)(routine_args + i)) == -1)
return (FALSE);
}
return (TRUE);
diff --git a/philo_one/philo_one.h b/philo_one/philo_one.h
index d7c1aef..498cd49 100644
--- a/philo_one/philo_one.h
+++ b/philo_one/philo_one.h
@@ -6,12 +6,12 @@
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/11/24 06:11:16 by cacharle #+# #+# */
-/* Updated: 2020/02/14 21:37:45 by cacharle ### ########.fr */
+/* Updated: 2020/02/15 01:25:40 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
-#ifndef PHILO_ONE
-# define PHILO_ONE
+#ifndef PHILO_ONE_H
+# define PHILO_ONE_H
# include <unistd.h>
# include <sys/time.h>
@@ -19,78 +19,60 @@
# include <pthread.h>
# include "common.h"
-typedef struct
-{
- t_bool used;
- pthread_mutex_t mutex;
-} t_fork;
-
-// typedef struct
-// {
-// t_philo *philos;
-// t_fork *forks;
-// } t_table;
-
-typedef struct s_philo t_philo;
+typedef pthread_mutex_t t_fork;
-typedef struct
+typedef struct s_philo
{
- t_philo *watched;
- pthread_t thread;
-} t_watchdog;
-
-struct s_philo
-{
- int id;
- t_bool alive;
- t_watchdog watchdog;
- t_time time_last_eat;
- t_philo_state state;
- pthread_t thread;
-};
-
-typedef struct
+ int id;
+ t_bool alive;
+ t_time time_last_eat;
+ t_philo_state state;
+ pthread_t thread;
+} t_philo;
+
+typedef struct s_routine_arg
{
- t_philo_args *args;
- t_philo *philo;
- t_fork *fork_left;
- t_fork *fork_right;
- pthread_mutex_t *mutex_stdout;
-} t_routine_arg;
+ t_philo_args *args;
+ t_philo *philo;
+ t_fork *fork_left;
+ t_fork *fork_right;
+ pthread_mutex_t *mutex_stdout;
+} t_routine_arg;
/*
** fork.c
*/
-t_fork *forks_new(int num);
-void forks_destroy(t_fork *forks, int num);
-t_routine_arg *forks_dispatch(t_philo *philos, t_fork *forks, t_philo_args *args);
-void fork_switch(t_fork *fork);
+t_fork *forks_new(int num);
+void forks_destroy(t_fork *forks, int num);
+t_routine_arg *forks_dispatch(t_philo *philos,
+ t_fork *forks, t_philo_args *args);
/*
** philo.c
*/
-t_philo *philos_new(int num);
-void philos_destroy(t_philo *philos, int num);
-t_bool philos_start(t_philo *philos, t_routine_arg *routine_args, int num);
-void philos_join(t_philo *philos, int num);
-t_bool philos_starved(t_philo *philos, int num);
+t_philo *philos_new(int num);
+void philos_destroy(t_philo *philos, int num);
+t_bool philos_start(t_philo *philos,
+ t_routine_arg *routine_args, int num);
+void philos_join(t_philo *philos, int num);
+t_bool philos_starved(t_philo *philos, int num);
/*
** routine.c
*/
-void *routine_philo(void *void_arg);
-void *routine_death(void *void_arg);
+void *routine_philo(void *void_arg);
+void *routine_death(void *void_arg);
/*
** 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);
+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_one/routine.c b/philo_one/routine.c
index 7954174..89fe95e 100644
--- a/philo_one/routine.c
+++ b/philo_one/routine.c
@@ -6,7 +6,7 @@
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/10 01:11:27 by cacharle #+# #+# */
-/* Updated: 2020/02/14 21:43:37 by cacharle ### ########.fr */
+/* Updated: 2020/02/15 01:25:41 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
@@ -25,16 +25,15 @@ void *routine_philo(void *void_arg)
return (NULL);
io_think(arg);
while (arg->args->all_alive)
- if (!arg->fork_left->used && !arg->fork_right->used)
- {
- fork_switch(arg->fork_left);
- fork_switch(arg->fork_right);
- io_eat(arg);
- fork_switch(arg->fork_left);
- fork_switch(arg->fork_right);
- io_sleep(arg);
- io_think(arg);
- }
+ {
+ pthread_mutex_lock(arg->fork_left);
+ pthread_mutex_lock(arg->fork_right);
+ io_eat(arg);
+ pthread_mutex_unlock(arg->fork_right);
+ pthread_mutex_unlock(arg->fork_left);
+ io_sleep(arg);
+ io_think(arg);
+ }
pthread_join(thread_death, NULL);
return (NULL);
}
generated by cgit (git 2.34.1) at 2026-05-16 16:46:54 +0000