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
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: dkaiser <dkaiser@student.42heilbronn.de +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/01/14 17:13:30 by dkaiser #+# #+# */
/* Updated: 2025/01/26 12:05:55 by dkaiser ### ########.fr */
/* */
/* ************************************************************************** */
#include "philo.h"
int load_data(t_phdata *data, int argc, char *argv[])
{
data->nbr_of_philos = ft_atoi(argv[1]);
data->time_to_die = ft_atoi(argv[2]);
data->time_to_eat = ft_atoi(argv[3]);
data->time_to_sleep = ft_atoi(argv[4]);
if (argc == 6)
data->times_must_eat = ft_atoi(argv[5]);
else
data->times_must_eat = -1;
if (data->nbr_of_philos <= 0)
return (ft_err("Must have at least one philosopher"));
if (data->time_to_die < 0)
return (ft_err("ttd can't be negative"));
if (data->time_to_eat < 0)
return (ft_err("tte can't be negative"));
if (data->time_to_sleep < 0)
return (ft_err("tts can't be negative"));
data->philos_must_eat = data->nbr_of_philos;
return (EXIT_SUCCESS);
}
void init_philo(t_philo *philo, t_phdata *data, int id)
{
philo->id = id;
philo->is_alive = 1;
philo->times_must_eat = data->times_must_eat;
philo->data = data;
philo->last_time_eaten = ft_cur_time_in_ms();
}
int init_philos(t_philo **philos, t_phdata *data)
{
int i;
int result;
i = 0;
while (i < data->nbr_of_philos)
{
init_philo(&(*philos)[i], data, i + 1);
data->forks[i].owner = 0;
result = pthread_mutex_init(&(data->forks[i].mutex), NULL);
if (result != 0)
{
free(*philos);
free(data->forks);
return (result);
}
i++;
}
return (EXIT_SUCCESS);
}
int init(t_philo **philos, t_phdata *data)
{
int result;
*philos = (t_philo *)malloc(sizeof(t_philo) * data->nbr_of_philos);
if (*philos == NULL)
return (ft_err(ERR_MALLOC));
data->forks = (t_fork *)malloc(sizeof(t_fork) * data->nbr_of_philos);
if (data->forks == NULL)
{
free(*philos);
return (ft_err(ERR_MALLOC));
}
result = pthread_mutex_init(&(data->pme_mutex), NULL);
if (result != 0)
{
free(*philos);
free(data->forks);
return (result);
}
result = init_philos(philos, data);
return (result);
}
int main(int argc, char *argv[])
{
t_phdata data;
t_philo *philos;
int result;
if (argc != 5 && argc != 6)
return (ft_err(ERR_USAGE));
result = load_data(&data, argc, argv);
if (result != EXIT_SUCCESS)
return (result);
result = init(&philos, &data);
if (result != EXIT_SUCCESS)
return (result);
data.simulation_running = 1;
result = run_simulation(data.nbr_of_philos, philos, &data);
free(philos);
free(data.forks);
return (result);
}
|
