kernel - Handle spinlock indefinite wait edge case
[dragonfly.git] / include / res_update.h
blobdfcadcd0dc26b20aa7281d86ab6f6b508f622938
1 /*
2 * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (c) 1999 by Internet Software Consortium, Inc.
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
15 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 * $Id: res_update.h,v 1.2.18.1 2005/04/27 05:00:49 sra Exp $
20 * $FreeBSD: src/include/res_update.h,v 1.3 2007/06/03 17:20:25 ume Exp $
23 #ifndef __RES_UPDATE_H
24 #define __RES_UPDATE_H
26 /*! \file */
28 #include <sys/types.h>
29 #include <arpa/nameser.h>
30 #include <resolv.h>
32 /*%
33 * This RR-like structure is particular to UPDATE.
35 struct ns_updrec {
36 struct {
37 struct ns_updrec *prev;
38 struct ns_updrec *next;
39 } r_link, r_glink;
40 ns_sect r_section; /*%< ZONE/PREREQUISITE/UPDATE */
41 char * r_dname; /*%< owner of the RR */
42 ns_class r_class; /*%< class number */
43 ns_type r_type; /*%< type number */
44 u_int32_t r_ttl; /*%< time to live */
45 u_char * r_data; /*%< rdata fields as text string */
46 u_int r_size; /*%< size of r_data field */
47 int r_opcode; /*%< type of operation */
48 /* following fields for private use by the resolver/server routines */
49 struct databuf *r_dp; /*%< databuf to process */
50 struct databuf *r_deldp; /*%< databuf's deleted/overwritten */
51 u_int r_zone; /*%< zone number on server */
53 typedef struct ns_updrec ns_updrec;
54 typedef struct {
55 ns_updrec *head;
56 ns_updrec *tail;
57 } ns_updque;
59 #define res_mkupdate __res_mkupdate
60 #define res_update __res_update
61 #define res_mkupdrec __res_mkupdrec
62 #define res_freeupdrec __res_freeupdrec
63 #define res_nmkupdate __res_nmkupdate
64 #define res_nupdate __res_nupdate
66 int res_mkupdate(ns_updrec *, u_char *, int);
67 int res_update(ns_updrec *);
68 ns_updrec * res_mkupdrec(int, const char *, u_int, u_int, u_long);
69 void res_freeupdrec(ns_updrec *);
70 int res_nmkupdate(res_state, ns_updrec *, u_char *, int);
71 int res_nupdate(res_state, ns_updrec *, ns_tsig_key *);
73 #endif /*__RES_UPDATE_H*/