persistentstorage/sqlite3api/OsLayer/os_symbian_hrdw.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 31 Aug 2010 16:57:14 +0300
branchRCL_3
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permissions -rw-r--r--
Revision: 201035 Kit: 201035
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// Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// The Symbian OS porting layer - multi-threaded implementation. 
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// Platform dependend implementation of the static mutexes and the file session API.
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// 
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//
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/**
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 @file
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*/
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#include "os_symbian.h"
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#include "SqliteUtil.h"
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#include "OstTraceDefinitions.h"
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#ifdef OST_TRACE_COMPILER_IN_USE
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#include "os_symbian_hrdwTraces.h"
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#endif
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#include "SqliteTraceDef.h"
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#ifdef SQLITE_OS_SYMBIAN
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//////////////////////////  TStaticFs  /////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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Single global RFs instance
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@see TStaticFs
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@internalComponent
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*/
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static TStaticFs TheFs;
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/**
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Connects the RFs.
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If the operation fails, the program will be terminated.
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@see TStaticFs
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*/
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TStaticFs::TStaticFs()
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	{
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	TInt err = Connect();
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	if(err != KErrNone)
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		{
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		SQLITE_TRACE_OS(OstTraceExt2(TRACE_INTERNALS, TSTATICFS_TSTATICFS, "OS;0x%X;TStaticFs::TStaticFs;err=%d", (TUint)this, err));
0
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		User::Exit(err);	
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		}
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	}
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/**
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Returns a reference to the already created global RFs object.
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@return RFs reference
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@panic SqliteMt 3 Invalid RFs handle
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@see TStaticFs
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*/
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RFs& TStaticFs::Fs()
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	{
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	__ASSERT_DEBUG(TheFs.iFs.Handle() != KNullHandle, __SQLITEPANIC2(ESqliteOsPanicInvalidFs));
0
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	return TheFs.iFs;
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	}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//////////////////////////  TStaticMutex  //////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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Global array of static mutexes.
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@see TStaticMutex
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@internalComponent
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*/
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static TStaticMutex	TheStaticMutex[KStaticMutexCount];
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/**
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Creates the static mutexes.
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If the creation fails, the program will be terminated.
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@see TStaticMutex
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*/
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TStaticMutex::TStaticMutex()
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	{
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	TInt err = Create();
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	if(err != KErrNone)
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		{
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		SQLITE_TRACE_OS(OstTraceExt2(TRACE_INTERNALS, TSTATICMUTEX_TSTATICMUTEX, "OS;0x%X;TStaticMutex::TStaticMutex;err=%d", (TUint)this, err));
0
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		User::Exit(err);	
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		}
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	}
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sqlite3_mutex* StaticMutex(TInt aType)
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	{
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	__ASSERT_ALWAYS((TUint)aType < (sizeof(TheStaticMutex)/sizeof(TheStaticMutex[0])), __SQLITEPANIC2(ESqliteOsPanicInvalidMutexType));
0
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	return &TheStaticMutex[aType];
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	}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//////////////////////////  sqlite3_vfs     ///////////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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Global sqlite3_vfs object.
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@see VfsApi
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@see TVfs
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@internalComponent
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*/
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static sqlite3_vfs TheVfsApi = 
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	{
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	/*iVersion =*/		1,
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	/*szOsFile =*/ 		sizeof(TDbFile),
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	/*mxPathname =*/ 	KMaxFileName,
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	/*pNext =*/ 		NULL,
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	/*zName =*/ 		"SymbianSqliteMt",
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	/*pAppData =*/ 		NULL,
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	/*xOpen =*/ 		&TVfs::Open,
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	/*xDelete =*/ 		&TVfs::Delete,
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	/*xAccess =*/ 		&TVfs::Access,
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	/*xFullPathname =*/ &TVfs::FullPathName,
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	/*xDlOpen =*/ 		NULL,
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	/*xDlError =*/ 		NULL,
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	/*xDlSym =*/ 		NULL,
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	/*xDlClose =*/ 		NULL,
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	/*xRandomness =*/ 	&TVfs::Randomness,
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	/*xSleep =*/ 		&TVfs::Sleep,
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	/*xCurrentTime =*/ 	&TVfs::CurrentTime,
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	/*xGetLastError =*/ &TVfs::GetLastError
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	};
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sqlite3_vfs* VfsApi()
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	{
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	return &TheVfsApi;		
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	}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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#endif//SQLITE_OS_SYMBIAN