45 lines
		
	
	
	
		
			1.4 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			45 lines
		
	
	
	
		
			1.4 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  *   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, write to the Free Software | ||
|  |  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
|  |  */ | ||
|  | 
 | ||
|  | #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 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__)
 |