mirror of
https://github.com/FirebirdSQL/firebird.git
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107 lines
2.5 KiB
C++
107 lines
2.5 KiB
C++
/*
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* PROGRAM: JRD Access Method
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* MODULE: sch.cpp
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* DESCRIPTION: Voluntary thread scheduler
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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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* 2002.10.29 Sean Leyne - Removed obsolete "Netware" port
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*
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*/
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#include "firebird.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include "../jrd/common.h"
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#include "../jrd/ThreadStart.h"
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#include "../jrd/isc.h"
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#include "../jrd/ibase.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/sch_proto.h"
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#include "../jrd/thread_proto.h"
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#include "../jrd/err_proto.h"
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#include "../jrd/iberr_proto.h"
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#include "../jrd/gdsassert.h"
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#include "../jrd/os/thd_priority.h"
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#include "../common/classes/locks.h"
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#include "../common/classes/init.h"
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#ifdef WIN_NT
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#include <windows.h>
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#endif
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static FB_THREAD_ID thread_id = 0;
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static Firebird::GlobalPtr<Firebird::Mutex> thread_mutex;
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int API_ROUTINE gds__thread_enable(int enable_flag)
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{
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/**************************************
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*
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* g d s _ $ t h r e a d _ e n a b l e
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*
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**************************************
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*
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* Functional description
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* Check-in with thread traffic cop.
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*
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**************************************/
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return true;
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}
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void API_ROUTINE gds__thread_enter()
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{
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/**************************************
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*
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* g d s _ $ t h r e a d _ e n t e r
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*
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**************************************
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*
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* Functional description
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* Check-in with thread traffic cop.
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*
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**************************************/
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thread_mutex->enter();
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fb_assert(!thread_id);
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thread_id = getThreadId();
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}
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void API_ROUTINE gds__thread_exit()
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{
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/**************************************
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*
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* g d s _ $ t h r e a d _ e x i t
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*
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**************************************
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*
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* Functional description
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* Check-out with thread traffic cop.
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*
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**************************************/
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fb_assert(thread_id == getThreadId());
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thread_id = 0;
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thread_mutex->leave();
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}
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