112 lines
2.1 KiB
C
112 lines
2.1 KiB
C
#include <pthread.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "./philos.h"
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#include "./data.h"
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#include "./parsing.h"
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#include "./threads.h"
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#include "./time.h"
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#include "./print.h"
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#include "./struct.h"
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size_t get_min_meal(t_data *data)
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{
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size_t i;
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size_t min;
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size_t value;
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t_philo *philo;
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philo = data->philos[0];
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pthread_mutex_lock(&philo->nb_meal_mutex);
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min = philo->nb_meal;
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pthread_mutex_unlock(&philo->nb_meal_mutex);
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i = 1;
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while (i < data->nb_philos)
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{
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philo = data->philos[i];
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pthread_mutex_lock(&philo->nb_meal_mutex);
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value = philo->nb_meal;
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pthread_mutex_unlock(&philo->nb_meal_mutex);
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if (min > value)
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min = value;
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i++;
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}
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return (min);
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}
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void stop(t_data *data)
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{
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pthread_mutex_lock(&data->stop_mutex);
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data->stop = 1;
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pthread_mutex_unlock(&data->stop_mutex);
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}
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void *check_routine(t_data *data)
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{
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size_t i;
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bool ok;
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t_philo *philo;
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while (true)
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{
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if ((ssize_t) get_min_meal(data) == data->nb_meals)
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{
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stop(data);
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printf("g pu faim\n");
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return (NULL);
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}
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i = 0;
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while (i < data->nb_philos)
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{
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philo = data->philos[i];
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pthread_mutex_lock(&philo->last_eat_mutex);
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ok = !(philo->last_eat + data->life_expectency > get_time());
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pthread_mutex_unlock(&philo->last_eat_mutex);
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if (ok == 1)
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{
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print_died(philo);
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stop(data);
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return (NULL);
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}
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pthread_mutex_lock(&philo->last_sleep_mutex);
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// printf("time=%zu, last_sleep=%zu, life_expectency=%zu\n", get_time(), philo->last_sleep, data->life_expectency);
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ok = !(philo->last_sleep + data->life_expectency > get_time());
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pthread_mutex_unlock(&philo->last_sleep_mutex);
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if (ok == 1)
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{
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print_died(philo);
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stop(data);
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return (NULL);
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}
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i++;
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}
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usleep(100);
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}
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}
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int main(int ac, char **av)
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{
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t_data data;
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get_time();
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if (parsing(&data, av + 1, ac - 1))
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return (1);
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if (data_init(&data))
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return (1);
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if (philos_init(&data))
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{
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data_destroyer(&data);
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return (1);
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}
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if (threads_init(&data))
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{
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data_destroyer(&data);
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return (1);
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}
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check_routine(&data);
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data_destroyer(&data);
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}
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