79 lines
1.4 KiB
C
79 lines
1.4 KiB
C
#include "philo.h"
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t_philo *create_each_philo(t_philo *philo, t_params *params, t_mtx *mtx, 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->philo_nbr = i + 1;
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new->fork = 1;
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new->msg_mtx = mtx;
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if (philo)
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philo->next = new;
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new->prev = philo;
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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 *mutex)
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{
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t_philo *end;
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t_philo *philo;
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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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philo = create_each_philo(philo, params, mutex, i);
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i++;
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}
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end = philo;
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while (philo->prev != NULL)
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philo = philo->prev;
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philo->prev = end;
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end->next = philo;
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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 msg_mtx;
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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(int) * params->n_phi);
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if (*id == NULL)
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return (NULL);
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pthread_mutex_init(&msg_mtx, NULL);
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philo = init_chain_philo(params, &msg_mtx);
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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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