e0724fd324
objects used to provide per-thread storage in the RPC code. Almost all of these used double-checking with a dedicated mutex (tsd_lock) to do this before. However, that is not always safe with more relaxed memory orders. There were also other bugs, such as one in __rpc_createrr() that caused a new key to be allocated each time __rpc_createrr() was invoked. PR: threads/144558 Reported by: Sam Robb samrobb of averesystems com (key leak) MFC after: 1 week
66 lines
2.6 KiB
C
66 lines
2.6 KiB
C
/*
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* Copyright (C) 2006 The FreeBSD Project. All rights reserved.
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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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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR 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 AUTHOR 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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* $FreeBSD$
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*/
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#ifndef _MT_MISC_H
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#define _MT_MISC_H
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/* Take these locks out of the application namespace. */
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#define svc_lock __svc_lock
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#define svc_fd_lock __svc_fd_lock
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#define rpcbaddr_cache_lock __rpcbaddr_cache_lock
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#define authdes_ops_lock __authdes_ops_lock
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#define authnone_lock __authnone_lock
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#define authsvc_lock __authsvc_lock
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#define clnt_fd_lock __clnt_fd_lock
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#define clntraw_lock __clntraw_lock
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#define dupreq_lock __dupreq_lock
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#define loopnconf_lock __loopnconf_lock
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#define ops_lock __ops_lock
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#define proglst_lock __proglst_lock
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#define rpcsoc_lock __rpcsoc_lock
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#define svcraw_lock __svcraw_lock
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#define xprtlist_lock __xprtlist_lock
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extern pthread_rwlock_t svc_lock;
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extern pthread_rwlock_t svc_fd_lock;
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extern pthread_rwlock_t rpcbaddr_cache_lock;
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extern pthread_mutex_t authdes_ops_lock;
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extern pthread_mutex_t svcauthdesstats_lock;
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extern pthread_mutex_t authnone_lock;
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extern pthread_mutex_t authsvc_lock;
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extern pthread_mutex_t clnt_fd_lock;
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extern pthread_mutex_t clntraw_lock;
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extern pthread_mutex_t dupreq_lock;
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extern pthread_mutex_t loopnconf_lock;
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extern pthread_mutex_t ops_lock;
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extern pthread_mutex_t proglst_lock;
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extern pthread_mutex_t rpcsoc_lock;
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extern pthread_mutex_t svcraw_lock;
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extern pthread_mutex_t tsd_lock;
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extern pthread_mutex_t xprtlist_lock;
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#endif
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