mirror of
https://github.com/FirebirdSQL/firebird.git
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119 lines
2.5 KiB
C++
119 lines
2.5 KiB
C++
/*
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* PROGRAM: JRD Access Method
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* MODULE: ThreadData.cpp
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* DESCRIPTION: Thread support routines
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*
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* The contents of this file are subject to the Interbase Public
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* License Version 1.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy
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* of the License at http://www.Inprise.com/IPL.html
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*
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* Software distributed under the License is distributed on an
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* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
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* or implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code was created by Inprise Corporation
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* and its predecessors. Portions created by Inprise Corporation are
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* Copyright (C) Inprise Corporation.
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*
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* All Rights Reserved.
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* Contributor(s): ______________________________________.
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*
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* 2002.10.28 Sean Leyne - Completed removal of obsolete "DGUX" port
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*
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* 2002.10.29 Sean Leyne - Removed obsolete "Netware" port
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*
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* Alex Peshkov
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*/
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#include "firebird.h"
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#include <stdio.h>
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#include <errno.h>
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#include "../jrd/common.h"
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#include "../jrd/ThreadData.h"
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#include "../jrd/gds_proto.h"
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#include "../jrd/isc_s_proto.h"
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#include "../jrd/gdsassert.h"
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#include "../common/classes/fb_tls.h"
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#ifdef WIN_NT
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#include <process.h>
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#include <windows.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#if defined SOLARIS || defined AIX
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#include <sched.h>
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#endif
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#ifdef SOLARIS
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#include <thread.h>
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#include <signal.h>
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#endif
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#include "../common/classes/locks.h"
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#include "../common/classes/rwlock.h"
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namespace {
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TLS_DECLARE (ThreadData*, tData);
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}
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ThreadData* ThreadData::getSpecific()
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{
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/**************************************
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*
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* T H D _ g e t _ s p e c i f i c
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*
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**************************************
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*
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* Functional description
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* Gets thread specific data and returns
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* a pointer to it.
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*
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**************************************/
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return TLS_GET(tData);
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}
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void ThreadData::putSpecific()
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{
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/**************************************
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*
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* T H D _ p u t _ s p e c i f i c
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*
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**************************************
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*
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* Functional description
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*
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**************************************/
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threadDataPriorContext = TLS_GET(tData);
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TLS_SET(tData, this);
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}
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void ThreadData::restoreSpecific()
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{
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/**************************************
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*
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* T H D _ r e s t o r e _ s p e c i f i c
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*
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**************************************
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*
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* Functional description
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*
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**************************************/
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ThreadData* current_context = getSpecific();
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TLS_SET(tData, current_context->threadDataPriorContext);
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}
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