129 lines
5 KiB
C
129 lines
5 KiB
C
/*
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* Copyright (c) 2000-2010 Apple Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
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/*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Rick Macklem at The University of Guelph.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)nfsrvcache.h 8.3 (Berkeley) 3/30/95
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* FreeBSD-Id: nfsrvcache.h,v 1.9 1997/06/03 17:22:47 dfr Exp $
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*/
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#ifndef _NFS_NFSRVCACHE_H_
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#define _NFS_NFSRVCACHE_H_
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#include <sys/appleapiopts.h>
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#ifdef __APPLE_API_PRIVATE
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/*
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* Definitions for the server recent request cache
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*/
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/* Network address hash list element */
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union nethostaddr {
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in_addr_t had_inetaddr;
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struct in6_addr had_inet6addr;
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mbuf_t had_nam;
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};
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#define NFSRVCACHESIZ 64
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struct nfsrvcache {
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TAILQ_ENTRY(nfsrvcache) rc_lru; /* LRU chain */
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LIST_ENTRY(nfsrvcache) rc_hash; /* Hash chain */
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u_int32_t rc_xid; /* rpc id number */
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union {
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mbuf_t ru_repmb; /* Reply mbuf list OR */
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int ru_repstat; /* Reply status */
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} rc_un;
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sa_family_t rc_family; /* address family */
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union nethostaddr rc_haddr; /* Host address */
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u_int32_t rc_proc; /* rpc proc number */
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u_char rc_state; /* Current state of request */
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u_char rc_flag; /* Flag bits */
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};
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#define rc_reply rc_un.ru_repmb
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#define rc_status rc_un.ru_repstat
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#define rc_inetaddr rc_haddr.had_inetaddr
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#define rc_inet6addr rc_haddr.had_inet6addr
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#define rc_nam rc_haddr.had_nam
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/* Cache entry states */
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#define RC_UNUSED 0
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#define RC_INPROG 1
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#define RC_DONE 2
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/* Return values */
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#define RC_DROPIT 0
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#define RC_REPLY 1
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#define RC_DOIT 2
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#define RC_CHECKIT 3
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/* Flag bits */
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#define RC_LOCKED 0x01
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#define RC_WANTED 0x02
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#define RC_REPSTATUS 0x04
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#define RC_REPMBUF 0x08
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#define RC_INETADDR 0x20
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#define RC_NAM 0x40
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#endif /* __APPLE_API_PRIVATE */
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#endif /* _NFS_NFSRVCACHE_H_ */
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