85 lines
1.6 KiB
C
85 lines
1.6 KiB
C
#include "philo.h"
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t_philo *lst_add_philo(t_params *params, t_mtx *m_print, int *death, int i)
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{
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t_philo *new;
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new = malloc(sizeof(t_philo) * 1);
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if (new == NULL)
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return (NULL);
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new->params = params;
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new->p_nbr = i + 1;
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if (pthread_mutex_init(&(new->m_fork), NULL) != 0)
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return (NULL);
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new->m_print = m_print;
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new->death = death;
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new->next = NULL;
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return (new);
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}
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// looping chained list
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t_philo *init_chain_philo(t_params *params, t_mtx *m_print, int *death)
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{
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t_philo *philo;
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t_philo *tmp;
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t_philo *start;
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int i;
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i = 0;
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philo = NULL;
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while (i < params->n_phi)
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{
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tmp = lst_add_philo(params, m_print, death, i);
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if (philo)
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philo->next = tmp;
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else
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start = tmp;
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philo = tmp;
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i++;
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}
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philo->next = start;
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return (philo);
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}
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t_params *init_params(int ac, char **av)
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{
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t_params *params;
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if (ac == 5 || ac == 6)
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{
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params = malloc(sizeof(t_params));
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params->n_phi = ft_atoi(av[1]);
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params->t_die = ft_atoi(av[2]);
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params->t_eat = ft_atoi(av[3]);
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params->t_slp = ft_atoi(av[4]);
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if (ac == 6)
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params->n_eat = ft_atoi(av[5]);
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}
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else
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return (NULL);
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return (params);
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}
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t_philo *init(int ac, char **av, pthread_t **id)
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{
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t_philo *philo;
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t_params *params;
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t_mtx *m_print;
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int death;
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params = init_params(ac, av);
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if (params == NULL)
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return (NULL);
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*id = malloc(sizeof(pthread_t) * params->n_phi);
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if (*id == NULL)
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return (NULL);
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m_print = malloc(sizeof(t_mtx));
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if (pthread_mutex_init(m_print, NULL) != 0)
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return (NULL);
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death = 0;
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philo = init_chain_philo(params, m_print, &death);
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if (philo == NULL)
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return (NULL);
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return (philo);
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}
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