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philosopher/philo/sleep.c
2024-08-06 17:42:36 +02:00

52 lines
1.7 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* sleep.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: adjoly <adjoly@student.42angouleme.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/07/23 17:15:24 by adjoly #+# #+# */
/* Updated: 2024/07/30 02:48:34 by adjoly ### ########.fr */
/* */
/* ************************************************************************** */
#include "philo.h"
#define SLEEP_SLICE_MS 10
bool sleep_phil(t_philo philo)
{
struct timeval t1;
uint32_t sleep_time;
sleep_time = 0;
if (philo.state == EAT)
sleep_time = philo.data.eat_time;
else if (philo.state == SLEEP)
sleep_time = philo.data.sleep_time;
while (sleep_time)
{
pthread_mutex_lock(philo.check);
if (get_death(false, true) == true)
{
pthread_mutex_unlock(philo.check);
return (true);
}
pthread_mutex_unlock(philo.check);
gettimeofday(&t1, NULL);
if (get_time_in_ms(philo.eat, t1) > philo.data.die_time)
{
pthread_mutex_lock(philo.check);
get_death(true, false);
pthread_mutex_unlock(philo.check);
pthread_mutex_unlock(&philo.fork.left);
pthread_mutex_unlock(philo.fork.right);
philo.state = DEAD;
log_philo(philo);
return (true);
}
usleep(SLEEP_SLICE_MS * 1000);
sleep_time -= SLEEP_SLICE_MS;
}
return (false);
}