Philosophers/srcs/utils_2.c

44 lines
1.7 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* utils_2.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lfirmin <lfirmin@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/11/22 14:20:46 by lfirmin #+# #+# */
/* Updated: 2025/03/17 04:00:06 by lfirmin ### ########.fr */
/* */
/* ************************************************************************** */
#include "../include/philo.h"
long long get_time(void)
{
struct timeval time;
if (gettimeofday(&time, NULL) == -1)
return (write(2, "gettimeofday() error\n", 22), 0);
return ((time.tv_sec * 1000) + (time.tv_usec / 1000));
}
int print_message(t_philo *philo, char *message)
{
int is_dead;
pthread_mutex_lock(&philo->data->dead_mutex);
is_dead = philo->data->dead_flag;
pthread_mutex_unlock(&philo->data->dead_mutex);
if (is_dead)
return (1);
if (pthread_mutex_lock(&philo->data->print) != 0)
return (1);
pthread_mutex_lock(&philo->data->dead_mutex);
is_dead = philo->data->dead_flag;
pthread_mutex_unlock(&philo->data->dead_mutex);
if (is_dead)
return (pthread_mutex_unlock(&philo->data->print), 1);
printf("%lld %lld %s\n", get_time()
- philo->data->start_time, philo->id, message);
pthread_mutex_unlock(&philo->data->print);
return (0);
}