aboutsummaryrefslogtreecommitdiff
path: root/philo_one/src/event.c
blob: ab8da0b3d6a8ef082b7f7e1b4a4c19a2e5e4f249 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   event.c                                            :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/02/14 21:37:50 by cacharle          #+#    #+#             */
/*   Updated: 2021/01/01 13:46:50 by charles          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "philo_one.h"

void	event_take_fork(t_philo *arg, pthread_mutex_t *fork)
{
	if (philo_finished(arg->conf))
		return ;
	pthread_mutex_lock(fork);
	pthread_mutex_lock(&arg->conf->mutex_stdout);
	if (philo_finished(arg->conf))
		return ;
	philo_put(arg->id, EVENT_FORK);
	pthread_mutex_unlock(&arg->conf->mutex_stdout);
}

void	event_eat(t_philo *arg)
{
	if (philo_finished(arg->conf))
		return ;
	pthread_mutex_lock(&arg->conf->mutex_stdout);
	if (philo_finished(arg->conf))
		return ;
	philo_put(arg->id, EVENT_EAT);
	pthread_mutex_unlock(&arg->conf->mutex_stdout);
	usleep(arg->conf->timeout_eat * 1000);
}

void	event_think(t_philo *arg)
{
	if (philo_finished(arg->conf))
		return ;
	pthread_mutex_lock(&arg->conf->mutex_stdout);
	if (philo_finished(arg->conf))
		return ;
	philo_put(arg->id, EVENT_THINK);
	pthread_mutex_unlock(&arg->conf->mutex_stdout);
}

void	event_sleep(t_philo *arg, pthread_mutex_t *fork_right, pthread_mutex_t *fork_left)
{
	if (philo_finished(arg->conf))
		return ;
	pthread_mutex_lock(&arg->conf->mutex_stdout);
	if (philo_finished(arg->conf))
		return ;
	philo_put(arg->id, EVENT_SLEEP);
	pthread_mutex_unlock(&arg->conf->mutex_stdout);
	pthread_mutex_unlock(fork_right);
	pthread_mutex_unlock(fork_left);
	usleep(arg->conf->timeout_sleep * 1000);
}

void	event_die(t_philo *arg)
{
	if (philo_finished(arg->conf))
		return ;
	pthread_mutex_lock(&arg->conf->mutex_stdout);
	if (philo_finished(arg->conf))
		return ;
	arg->conf->all_alive = false;
	philo_put(arg->id, EVENT_DIE);
	pthread_mutex_unlock(&arg->conf->mutex_stdout);
}