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net/dns_resolver/internal.h
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/* * 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" ", \ current->comm, ##__VA_ARGS__); \ } while (0) #define kenter(FMT, ...) kdebug("==> %s("FMT")", __func__, ##__VA_ARGS__) #define kleave(FMT, ...) kdebug("<== %s()"FMT"", __func__, ##__VA_ARGS__) |