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
|
/*
* Copyright (c) 2010 Wang Lei
* Author(s): Wang Lei (wang840925@gmail.com). All Rights Reserved.
*
* Internal DNS Rsolver stuff
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/compiler.h>
#include <linux/kernel.h>
#include <linux/sched.h>
/*
* dns_key.c
*/
extern const struct cred *dns_resolver_cache;
/*
* debug tracing
*/
extern unsigned int dns_resolver_debug;
#define kdebug(FMT, ...) \
do { \
if (unlikely(dns_resolver_debug)) \
printk(KERN_DEBUG "[%-6.6s] "FMT"\n", \
current->comm, ##__VA_ARGS__); \
} while (0)
#define kenter(FMT, ...) kdebug("==> %s("FMT")", __func__, ##__VA_ARGS__)
#define kleave(FMT, ...) kdebug("<== %s()"FMT"", __func__, ##__VA_ARGS__)
|
