81 lines
1.5 KiB
C
81 lines
1.5 KiB
C
#include "philo.h"
|
|
|
|
t_philo *lst_add_philo(t_philo *philo, t_params *params, t_mtx *m_print, int i)
|
|
{
|
|
t_philo *new;
|
|
|
|
new = malloc(sizeof(t_philo) * 1);
|
|
if (new == NULL)
|
|
return (NULL);
|
|
new->params = params;
|
|
new->philo_nbr = i + 1;
|
|
new->fork = 1;
|
|
new->m_print = m_print;
|
|
if (philo)
|
|
philo->next = new;
|
|
new->prev = philo;
|
|
return (new);
|
|
}
|
|
|
|
// looping chained list
|
|
t_philo *init_chain_philo(t_params *params, t_mtx *m_print)
|
|
{
|
|
t_philo *end;
|
|
t_philo *philo;
|
|
int i;
|
|
|
|
i = 0;
|
|
philo = NULL;
|
|
while (i < params->n_phi)
|
|
{
|
|
philo = lst_add_philo(philo, params, m_print, i);
|
|
i++;
|
|
}
|
|
end = philo;
|
|
while (philo->prev != NULL)
|
|
philo = philo->prev;
|
|
philo->prev = end;
|
|
end->next = philo;
|
|
return (philo);
|
|
}
|
|
|
|
t_params *init_params(int ac, char **av)
|
|
{
|
|
t_params *params;
|
|
|
|
if (ac == 5 || ac == 6)
|
|
{
|
|
params = malloc(sizeof(t_params));
|
|
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_philo *init(int ac, char **av, pthread_t **id)
|
|
{
|
|
t_philo *philo;
|
|
t_params *params;
|
|
t_mtx *m_print;
|
|
|
|
params = init_params(ac, av);
|
|
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);
|
|
if (philo == NULL)
|
|
return (NULL);
|
|
return (philo);
|
|
}
|