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Raphaël 2024-06-25 17:04:47 +02:00 • committed by GitHub
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philo/sources/parsing_args.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* parsing_args.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rparodi <rparodi@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/06/04 11:42:37 by rparodi #+# #+# */
/* Updated: 2024/06/18 15:09:06 by rparodi ### ########.fr */
/* */
/* ************************************************************************** */
#include "../includes/philo.h"
t_error ft_parsing_args(t_i32 argc, t_str *argv, t_philo *philo)
{
t_usize tmp;
tmp = 0;
if (argc == 6)
{
ft_atou(argv[5], &tmp);
philo->nb_eat = tmp;
}
else
philo->t_eat = -1;
ft_atou(argv[1], &tmp);
philo->nb_philo = tmp;
ft_atou(argv[2], &tmp);
philo->t_death = tmp;
ft_atou(argv[3], &tmp);
philo->t_eat = tmp;
ft_atou(argv[4], &tmp);
philo->t_sleep = tmp;
return (NO_ERROR);
}
t_error ft_init_fork(t_philo *philo, t_mutex *fork)
{
t_usize i;
i = 0;
while (i < philo->nb_philo)
{
pthread_mutex_init(&fork[i], NULL);
i++;
}
return (NO_ERROR);
}
t_usize ft_time(void)
{
struct timeval time;
if (gettimeofday(&time, NULL) == -1)
ft_exit("Error of during ft_time !\n", 1);
return (time.tv_sec * 1000 + time.tv_usec / 1000);
}
void ft_pause(size_t milliseconds)
{
const t_usize start = ft_time();
while ((ft_time() - start) < milliseconds)
usleep(500);
}
t_error ft_init_philo(t_i32 argc, t_str *argv, t_program *prog, t_mutex *forks)
{
t_usize i;
i = 0;
while (i < ft_atou_return(argv[1]))
{
prog->philos[i].id = i + 1;
prog->philos[i].eating = 0;
ft_parsing_args(argc, argv, &prog->philos[i]);
prog->philos[i].start_time = ft_time();
prog->philos[i].t_last_eat = ft_time();
prog->philos[i].print_lock = &prog->print_lock;
prog->philos[i].dead_lock = &prog->dead_lock;
prog->philos[i].meal_lock = &prog->meal_lock;
prog->philos[i].dead_check = &prog->dead_flag;
prog->philos[i].l_fork = &forks[i];
if (i == 0)
prog->philos[i].r_fork = &forks[prog->philos[i].nb_philo - 1];
else
prog->philos[i].r_fork = &forks[i - 1];
i++;
}
if (ft_parsing_args(argc, argv, prog->philos))
return (ERROR);
return (NO_ERROR);
}
t_error ft_init(t_i32 argc, t_str *argv, t_program *prog, t_philo *philo)
{
static t_mutex forks[MAXSUPPORT] = { 0 };
pthread_mutex_init(&prog->print_lock, NULL);
pthread_mutex_init(&prog->dead_lock, NULL);
pthread_mutex_init(&prog->meal_lock, NULL);
prog->philos = philo;
prog->dead_flag = 0;
if (ft_init_philo(argc, argv, prog, forks))
return (ERROR);
if (philo->nb_philo != 0 && philo->nb_philo > MAXSUPPORT)
return (ERROR);
ft_init_thread(prog, forks);
return (NO_ERROR);
}