blob: a6c637091eb2e81fe48a01a863713eb40d9444d5 (
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
|
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/15 00:45:24 by cacharle #+# #+# */
/* Updated: 2020/10/01 09:34:55 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include "philo_three.h"
sem_t *philo_sem_create(char *name, int value)
{
sem_t *sem;
sem_unlink(name);
sem = sem_open(name, O_CREAT | O_EXCL, 0700, value);
if (sem == SEM_FAILED)
return (NULL);
return (sem);
}
int main(int argc, char **argv)
{
t_philo_args args;
t_philo philo;
sem_t *forks;
sem_t *sem_stdout;
sem_t *sem_dead;
if (!parse_args(&args, argc, argv))
return (1);
if ((forks = philo_sem_create(PHILO_SEM_NAME, args.philo_num)) == NULL ||
(sem_stdout = philo_sem_create(PHILO_SEM_STDOUT_NAME, 1)) == NULL ||
(sem_dead = philo_sem_create(PHILO_SEM_DEAD_NAME, 1)) == NULL)
return (1);
pid_t *pids;
pids = malloc(sizeof(pid_t) * args.philo_num);
int i = -1;
while (++i < args.philo_num)
{
philo.conf = &args;
philo.id = i + 1;
if ((pids[i] = child_start(&philo)) == -1)
{
free(pids);
return (1);
}
}
sem_wait(sem_dead);
sem_wait(sem_dead);
i = -1;
while (++i < args.philo_num)
kill(pids[i], SIGKILL);
free(pids);
sem_close(forks);
sem_close(sem_stdout);
sem_close(sem_dead);
sem_unlink(PHILO_SEM_NAME);
sem_unlink(PHILO_SEM_STDOUT_NAME);
sem_unlink(PHILO_SEM_DEAD_NAME);
return (0);
}
|
