// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

// The Symbian OS porting layer - multi-threaded implementation. 

// Platform dependend implementation of the static mutexes and the file session API.

// 

//

/**

 @file

*/

#include "os_symbian.h"

#ifdef SQLITE_OS_SYMBIAN

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

//////////////////////////  TStaticFs  /////////////////////////////////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

/**

Single global RFs instance

@see TStaticFs

@internalComponent

*/

static TStaticFs TheFs;

/**

Connects the RFs.

If the operation fails, the program will be terminated.

@see TStaticFs

*/

TStaticFs::TStaticFs()

	{

	TInt err = Connect();

	if(err != KErrNone)

		{

		RDebug::Print(_L("===SQLITE OS porting layer, file session creation has failed with err=%d.\r\n"), err);

		User::Exit(err);	

		}

	}

/**

Returns a reference to the already created global RFs object.

@return RFs reference

@panic SqliteMt 3 Invalid RFs handle

@see TStaticFs

*/

RFs& TStaticFs::Fs()

	{

	__ASSERT_DEBUG(TheFs.iFs.Handle() != KNullHandle, User::Panic(KPanicCategory, EPanicInvalidFs));

	return TheFs.iFs;

	}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

//////////////////////////  TStaticMutex  //////////////////////////////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

/**

Global array of static mutexes.

@see TStaticMutex

@internalComponent

*/

static TStaticMutex	TheStaticMutex[KStaticMutexCount];

/**

Creates the static mutexes.

If the creation fails, the program will be terminated.

@see TStaticMutex

*/

TStaticMutex::TStaticMutex()

	{

	TInt err = Create();

	if(err != KErrNone)

		{

		RDebug::Print(_L("===SQLITE OS porting layer, static mutex creation has failed with err=%d.\r\n"), err);

		User::Exit(err);	

		}

	}

sqlite3_mutex* StaticMutex(TInt aType)

	{

	__ASSERT_ALWAYS((TUint)aType < (sizeof(TheStaticMutex)/sizeof(TheStaticMutex[0])), User::Panic(KPanicCategory, EPanicInvalidMutexType));

	return &TheStaticMutex[aType];

	}

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

//////////////////////////  sqlite3_vfs     ///////////////////////////////////////////////////////////////////////////////////

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

/**

Global sqlite3_vfs object.

@see VfsApi

@see TVfs

@internalComponent

*/

static sqlite3_vfs TheVfsApi = 

	{

	/*iVersion =*/		1,

	/*szOsFile =*/ 		sizeof(TDbFile),

	/*mxPathname =*/ 	KMaxFileName,

	/*pNext =*/ 		NULL,

	/*zName =*/ 		"SymbianSqliteMt",

	/*pAppData =*/ 		NULL,

	/*xOpen =*/ 		&TVfs::Open,

	/*xDelete =*/ 		&TVfs::Delete,

	/*xAccess =*/ 		&TVfs::Access,

	/*xFullPathname =*/ &TVfs::FullPathName,

	/*xDlOpen =*/ 		NULL,

	/*xDlError =*/ 		NULL,

	/*xDlSym =*/ 		NULL,

	/*xDlClose =*/ 		NULL,

	/*xRandomness =*/ 	&TVfs::Randomness,

	/*xSleep =*/ 		&TVfs::Sleep,

	/*xCurrentTime =*/ 	&TVfs::CurrentTime,

	/*xGetLastError =*/ &TVfs::GetLastError

	};

sqlite3_vfs* VfsApi()

	{

	return &TheVfsApi;		

	}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

#endif//SQLITE_OS_SYMBIAN