1 files changed, 81 insertions, 0 deletions
diff --git a/src/utils_routine.c b/src/utils_routine.c
new file mode 100644
index 0000000..37e3f3d
--- /dev/null
+++ b/src/utils_routine.c
@@ -0,0 +1,81 @@
+#include "codexion.h"
+# include <stdio.h>    // for printf()
+# include <unistd.h>   // for usleep()
+
+void	eat(t_philo *philo)
+{
+	t_sim	*sim;
+
+	(void)pthread_mutex_lock(&philo->mutex_sim);
+	sim = philo->sim;
+	(void)pthread_mutex_unlock(&philo->mutex_sim);
+	(void)pthread_mutex_lock(&philo->mutex_beginning_last_eat_time);
+	philo->beginning_last_eat_time = get_rel_time(sim);
+	(void)pthread_mutex_unlock(&philo->mutex_beginning_last_eat_time);
+	print_log(philo, "is eating", 0);
+	usleep(philo->sim->time_to_eat * 1000);
+	(void)pthread_mutex_lock(&philo->mutex_number_of_eats_done);
+	philo->number_of_eats_done++;
+	(void)pthread_mutex_unlock(&philo->mutex_number_of_eats_done);
+}
+
+void	reflect_and_think(t_philo *philo)
+{
+	print_log(philo, "is reflecting", 0);
+	usleep(philo->sim->time_to_reflect * 1000);
+	print_log(philo, "is thinking", 0);
+	usleep(philo->sim->time_to_think * 1000);
+}
+
+int	wait_for_fork(t_philo *philo, t_fork *fork)
+{
+	int		cooldown;
+	int		wait;
+	int		last_released;
+	t_sim	*sim;
+
+	(void)pthread_mutex_lock(&philo->mutex_sim);
+	sim = philo->sim;
+	(void)pthread_mutex_unlock(&philo->mutex_sim);
+	(void)pthread_mutex_lock(&philo->sim->mutex_cooldown);
+	cooldown = philo->sim->fork_cooldown;
+	(void)pthread_mutex_unlock(&philo->sim->mutex_cooldown);
+	(void)pthread_mutex_lock(&fork->mutex_last_released);
+	last_released = fork->last_released;
+	(void)pthread_mutex_unlock(&fork->mutex_last_released);
+	wait = cooldown - (get_rel_time(sim) - last_released);
+	return (wait);
+}
+
+void	wait_for_longest_cooldown(t_philo *philo, t_fork *f1, t_fork *f2)
+{
+	int	w1;
+	int	w2;
+	int	wait;
+
+	wait = 0;
+	if (get_id(philo) % 2 != 0 && philo->number_of_eats_done < 1)
+		usleep(50);
+	w1 = wait_for_fork(philo, f1);
+	w2 = wait_for_fork(philo, f2);
+	if (w1 >= w2 && w1 > 0)
+		wait = w1;
+	else if (w2 >= w1 && w2 > 0)
+		wait = w2;
+	usleep(wait * 1000);
+}
+
+void	update_last_released(t_sim *sim, t_fork *f1, t_fork *f2)
+{
+	int	time_to_eat;
+
+	(void)pthread_mutex_lock(&sim->mutex_time_to_eat);
+	time_to_eat = sim->time_to_eat;
+	(void)pthread_mutex_unlock(&sim->mutex_time_to_eat);
+	(void)pthread_mutex_lock(&f1->mutex_last_released);
+	f1->last_released = get_rel_time(sim) + time_to_eat;
+	(void)pthread_mutex_unlock(&f1->mutex_last_released);
+	(void)pthread_mutex_lock(&f2->mutex_last_released);
+	f2->last_released = get_rel_time(sim) + time_to_eat;
+	(void)pthread_mutex_unlock(&f2->mutex_last_released);
+}