meilleur organisation code structures et variables

This commit is contained in:
Hugo LAMY
2022-01-22 19:16:23 +01:00
parent 3ba76ccc4e
commit cb615cb6b3
7 changed files with 173 additions and 28 deletions

114
:w Normal file
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@@ -0,0 +1,114 @@
#include "philo.h"
/*
t_params *params;
t_params *global;
int p_nbr;
t_mtx m_fork;
long int t_last_meal_s;
long int t_last_meal_u;
*/
t_philo *lst_add_philo(t_params *params, t_mtx *m_print, t_mtx *m_dead, int i)
{
t_philo *new;
new = malloc(sizeof(t_philo) * 1);
if (new == NULL)
return (NULL);
new->params = params;
new->global = global;
new->p_nbr = i + 1;
if (pthread_mutex_init(&(new->m_fork), NULL) != 0)
return (NULL);
new->next = NULL;
return (new);
}
// looping chained list
t_philo *init_chain_philo(t_params *params, t_global *global)
{
t_philo *philo;
t_philo *tmp;
t_philo *start;
int i;
i = 0;
philo = NULL;
while (i < params->n_phi)
{
tmp = lst_add_philo(params, global, i);
if (philo)
philo->next = tmp;
else
start = tmp;
philo = tmp;
i++;
}
philo->next = start;
return (philo);
}
t_params *init_params(int ac, char **av)
{
t_params *params;
if (ac == 5 || ac == 6)
{
params = malloc(sizeof(t_params));
if (!params)
return (NULL);
params->n_phi = ft_atoi(av[1]);
params->t_die = ft_atoi(av[2]);
params->t_eat = ft_atoi(av[3]);
params->t_slp = ft_atoi(av[4]);
if (ac == 6)
params->n_eat = ft_atoi(av[5]);
}
else
return (NULL);
return (params);
}
t_global *init_global(t_mtx *m_print, t_mtx *m_dead)
{
t_global *global;
global = malloc(sizeof(t_global));
if (!global)
return (NULL);
global->dead = 0;
global->t_start_s = 0;
global->t_start_u = 0;
global->m_print = m_print;
global->m_dead = m_dead;
return (global);
}
t_philo *init(int ac, char **av, pthread_t **id)
{
t_philo *philo;
t_params *params;
t_global *global;
t_mtx *m_print;
t_mtx *m_dead;
m_print = malloc(sizeof(t_mtx));
if (pthread_mutex_init(m_print, NULL) != 0)
return (NULL);
m_dead = malloc(sizeof(t_mtx));
if (pthread_mutex_init(m_dead, NULL) != 0)
return (NULL);
params = init_params(ac, av);
if (params == NULL)
return (NULL);
global = init_global(m_print, m_dead);
if (params == NULL)
return (NULL);
*id = malloc(sizeof(pthread_t) * params->n_phi);
if (*id == NULL)
return (NULL);
philo = init_chain_philo(params, global);
if (philo == NULL)
return (NULL);
return (philo);
}

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@@ -10,17 +10,23 @@ typedef struct s_params
int t_eat; // time_to_eat
int t_slp; // time_to_sleep
int n_eat; // [number_of_times_each_philosopher_must_eat]
} t_params;
typedef struct s_global
{
int dead;
long int t_start_s;
long int t_start_u;
} t_params;
t_mtx m_print;
t_mtx m_dead;
} t_global;
typedef struct s_philo
{
t_params *params;
t_global *global;
int p_nbr;
t_mtx m_fork;
t_mtx *m_print;
long int t_last_meal_s;
long int t_last_meal_u;
struct s_philo *next;

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@@ -19,14 +19,15 @@ int ret_unlock(t_mtx *mutex_1, t_mtx *mutex_2, int ret)
int take_forks(t_philo *philo)
{
pthread_mutex_lock(&(philo->m_fork));
if (philo->params->dead != 0)
if (philo->global->dead != 0)
return (ret_unlock(&(philo->m_fork), NULL, 1));
print_message(philo, "has taken a fork");
pthread_mutex_lock(&(philo->next->m_fork));
if (philo->params->dead != 0)
if (philo->global->dead != 0)
return (ret_unlock(&(philo->m_fork), &(philo->next->m_fork), 1));
print_message(philo, "has taken a fork");
update_time(philo);
print_message(philo, "is eating");
go_sleep(philo, philo->params->t_eat);
@@ -35,11 +36,6 @@ int take_forks(t_philo *philo)
return (0);
}
// int n_phi; // number_of_philosophers
// int t_die; // time_to_die
// int t_eat; // time_to_eat
// int t_slp; // time_to_sleep
// int n_eat; // [number_of_times_each_philosopher_must_eat]
void *philo_exec(void *arg)
{
t_philo *philo;

View File

@@ -1,6 +1,6 @@
#include "philo.h"
t_philo *lst_add_philo(t_params *params, t_mtx *m_print, int i)
t_philo *lst_add_philo(t_params *params, t_global *global, int i)
{
t_philo *new;
@@ -8,16 +8,18 @@ t_philo *lst_add_philo(t_params *params, t_mtx *m_print, int i)
if (new == NULL)
return (NULL);
new->params = params;
new->global = global;
new->p_nbr = i + 1;
if (pthread_mutex_init(&(new->m_fork), NULL) != 0)
return (NULL);
new->m_print = m_print;
new->t_last_meal_s = 0;
new->t_last_meal_u = 0;
new->next = NULL;
return (new);
}
// looping chained list
t_philo *init_chain_philo(t_params *params, t_mtx *m_print)
t_philo *init_chain_philo(t_params *params, t_global *global)
{
t_philo *philo;
t_philo *tmp;
@@ -28,7 +30,7 @@ t_philo *init_chain_philo(t_params *params, t_mtx *m_print)
philo = NULL;
while (i < params->n_phi)
{
tmp = lst_add_philo(params, m_print, i);
tmp = lst_add_philo(params, global, i);
if (philo)
philo->next = tmp;
else
@@ -47,37 +49,53 @@ t_params *init_params(int ac, char **av)
if (ac == 5 || ac == 6)
{
params = malloc(sizeof(t_params));
if (!params)
return (NULL);
params->n_phi = ft_atoi(av[1]);
params->t_die = ft_atoi(av[2]);
params->t_eat = ft_atoi(av[3]);
params->t_slp = ft_atoi(av[4]);
if (ac == 6)
params->n_eat = ft_atoi(av[5]);
params->dead = 0;
params->t_start_s = 0;
params->t_start_u = 0;
}
else
return (NULL);
return (params);
}
t_global *init_global(void)
{
t_global *global;
global = malloc(sizeof(t_global));
if (!global)
return (NULL);
global->dead = 0;
global->t_start_s = 0;
global->t_start_u = 0;
if (pthread_mutex_init(&(global->m_print), NULL) != 0)
return (NULL);
if (pthread_mutex_init(&(global->m_dead), NULL) != 0)
return (NULL);
return (global);
}
t_philo *init(int ac, char **av, pthread_t **id)
{
t_philo *philo;
t_params *params;
t_mtx *m_print;
t_global *global;
params = init_params(ac, av);
if (params == NULL)
return (NULL);
global = init_global();
if (params == NULL)
return (NULL);
*id = malloc(sizeof(pthread_t) * params->n_phi);
if (*id == NULL)
return (NULL);
m_print = malloc(sizeof(t_mtx));
if (pthread_mutex_init(m_print, NULL) != 0)
return (NULL);
philo = init_chain_philo(params, m_print);
philo = init_chain_philo(params, global);
if (philo == NULL)
return (NULL);
return (philo);

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@@ -13,11 +13,22 @@ void launch_threads(t_philo *philo, pthread_t *id)
}
}
int is_dead(t_philo *philo)
{
(void)philo;
return (0);
}
void watch_threads(t_philo *philo, pthread_t *id)
{
int i;
i = 0;
while (1)
{
if (is_dead(philo) == 1)
break ;
}
while (i < philo->params->n_phi)
{
pthread_join(id[i], NULL);

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@@ -7,8 +7,8 @@ void print_message(t_philo *philo, char *msg)
char *color;
gettimeofday(&stime, NULL);
time_stamp = (stime.tv_sec - philo->params->t_start_s) * 1000;
time_stamp += (stime.tv_usec - philo->params->t_start_u) / 1000;
time_stamp = (stime.tv_sec - philo->global->t_start_s) * 1000;
time_stamp += (stime.tv_usec - philo->global->t_start_u) / 1000;
color = WHITE;
if (ft_strnstr(msg, "eating", ft_strlen(msg)))
color = B_YELLOW;
@@ -16,7 +16,7 @@ void print_message(t_philo *philo, char *msg)
color = B_BLUE;
else if (ft_strnstr(msg, "thinking", ft_strlen(msg)))
color = B_GREEN;
pthread_mutex_lock(philo->m_print);
pthread_mutex_lock(&(philo->global->m_print));
ft_printf("%s%i %i %s%s\n", color, time_stamp, philo->p_nbr, msg, RESET);
pthread_mutex_unlock(philo->m_print);
pthread_mutex_unlock(&(philo->global->m_print));
}

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@@ -4,11 +4,11 @@ void init_time(t_philo *philo)
{
struct timeval stime;
if (philo->params->t_start_s == 0)
if (philo->global->t_start_s == 0)
{
gettimeofday(&stime, NULL);
philo->params->t_start_s = stime.tv_sec;
philo->params->t_start_u = stime.tv_usec;
philo->global->t_start_s = stime.tv_sec;
philo->global->t_start_u = stime.tv_usec;
}
}