83 lines
1.9 KiB
C
83 lines
1.9 KiB
C
#include "philo.h"
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void print_message(t_philo *philo, char *msg)
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{
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long int time_stamp;
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struct timeval stime;
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char *color;
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gettimeofday(&stime, NULL);
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time_stamp = (stime.tv_sec - philo->t_start_s) * 1000;
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time_stamp += (stime.tv_usec - philo->t_start_u) / 1000;
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color = WHITE;
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if (ft_strnstr(msg, "eating", ft_strlen(msg)))
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color = B_YELLOW;
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if (ft_strnstr(msg, "sleeping", ft_strlen(msg)))
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color = B_BLUE;
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if (ft_strnstr(msg, "thinking", ft_strlen(msg)))
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color = B_GREEN;
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pthread_mutex_lock(philo->m_print);
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ft_printf("%s%i %i %s%s\n", color, time_stamp, philo->p_nbr, msg, RESET);
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pthread_mutex_unlock(philo->m_print);
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}
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// long int t_start_s;
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// long int t_start_u;
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// long int t_last_meal_s;
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// long int t_last_meal_u;
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void init_time(t_philo *philo)
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{
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struct timeval stime;
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gettimeofday(&stime, NULL);
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philo->t_start_s = stime.tv_sec;
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philo->t_start_u = stime.tv_usec;
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}
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void update_time(t_philo *philo)
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{
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struct timeval stime;
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gettimeofday(&stime, NULL);
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philo->t_last_meal_s = stime.tv_sec;
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philo->t_last_meal_u = stime.tv_usec;
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}
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void take_forks(t_philo *philo)
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{
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pthread_mutex_lock(&(philo->m_fork));
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print_message(philo, "has taken a fork");
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pthread_mutex_lock(&(philo->next->m_fork));
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print_message(philo, "has taken a fork");
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print_message(philo, "is eating");
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usleep(philo->params->t_eat * 1000);
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pthread_mutex_unlock(&(philo->next->m_fork));
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pthread_mutex_unlock(&(philo->m_fork));
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}
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// int n_phi; // number_of_philosophers
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// int t_die; // time_to_die
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// int t_eat; // time_to_eat
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// int t_slp; // time_to_sleep
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// int n_eat; // [number_of_times_each_philosopher_must_eat]
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void *philo_exec(void *arg)
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{
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t_philo *philo;
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philo = (t_philo*)arg;
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init_time(philo);
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if (philo->p_nbr % 2 == 0)
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usleep(10 * 1000);
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while (1)
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{
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take_forks(philo);
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print_message(philo, "is sleeping");
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usleep(philo->params->t_slp * 1000);
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print_message(philo, "is thinking");
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}
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return (NULL);
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}
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