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https://github.com/FirebirdSQL/firebird.git
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99 lines
2.7 KiB
C++
99 lines
2.7 KiB
C++
/*
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* PROGRAM: JRD access method
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* MODULE: ThreadData.h
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* DESCRIPTION: Thread support definitions
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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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#ifndef JRD_THREADDATA_H
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#define JRD_THREADDATA_H
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#include "firebird.h"
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#include "../common/classes/locks.h"
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#include "../common/classes/rwlock.h"
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#include "../common/classes/alloc.h"
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/* Thread specific data */
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class ThreadData
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{
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public:
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enum ThreadDataType {
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tddGBL = 1, // used by backup/restore
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tddSQL = 2, // used by DSQL
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tddDBB = 3, // used in engine
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tddRDB = 4, // used in remote interface
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tddDBA = 5, // used in DBA utility
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tddIDB = 6, // used by interprocess server // ??
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tddALICE = 7, // used by gfix
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tddSEC = 8 // used by gsec
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};
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private:
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ThreadData* threadDataPriorContext;
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ThreadDataType threadDataType; // what kind of thread context this is
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public:
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explicit ThreadData(ThreadDataType t)
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: threadDataPriorContext(0), threadDataType(t)
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{}
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ThreadDataType getType() const
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{
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return threadDataType;
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}
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static ThreadData* getSpecific();
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void putSpecific();
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static void restoreSpecific();
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};
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// Thread entry point definitions might much better look in ThreadStart.h,
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// but due to need to have them in utilities declarations, and no need in
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// gds__thread_start() there, placed here. AP 2007.
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#if defined(WIN_NT)
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#define THREAD_ENTRY_PARAM void*
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#define THREAD_ENTRY_RETURN unsigned int
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#define THREAD_ENTRY_CALL __stdcall
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#elif defined(USE_POSIX_THREADS)
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#define THREAD_ENTRY_PARAM void*
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#define THREAD_ENTRY_RETURN void*
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#define THREAD_ENTRY_CALL
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#elif defined(SOLARIS_MT)
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#define THREAD_ENTRY_PARAM void*
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#define THREAD_ENTRY_RETURN void *
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#define THREAD_ENTRY_CALL
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#else
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// Define correct types for other platforms
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#define THREAD_ENTRY_PARAM void*
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#define THREAD_ENTRY_RETURN int
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#define THREAD_ENTRY_CALL
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#endif
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#define THREAD_ENTRY_DECLARE THREAD_ENTRY_RETURN THREAD_ENTRY_CALL
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#endif // JRD_THREADDATA_H
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