Symaptic: os/persistentdata/persistentstorage/sqlite3api/OsLayer/os_symbian

     1 // Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

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

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

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

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

    16 //

    17 //

    19 /**

    20  @file

    21 */

    22 #include "os_symbian.h"

    23 #include "SqliteUtil.h"

    24 #include "OstTraceDefinitions.h"

    25 #ifdef OST_TRACE_COMPILER_IN_USE

    26 #include "os_symbian_hrdwTraces.h"

    27 #endif

    28 #include "SqliteTraceDef.h"

    30 #ifdef SQLITE_OS_SYMBIAN

    32 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    33 //////////////////////////  TStaticFs  /////////////////////////////////////////////////////////////////////////////////////////

    34 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    36 /**

    37 Single global RFs instance

    39 @see TStaticFs

    41 @internalComponent

    42 */

    43 static TStaticFs TheFs;

    45 /**

    46 Connects the RFs.

    47 If the operation fails, the program will be terminated.

    49 @see TStaticFs

    50 */

    51 TStaticFs::TStaticFs()

    52 	{

    53 	TInt err = Connect();

    54 	if(err != KErrNone)

    55 		{

    56 		SQLITE_TRACE_OS(OstTraceExt2(TRACE_INTERNALS, TSTATICFS_TSTATICFS, "OS;0x%X;TStaticFs::TStaticFs;err=%d", (TUint)this, err));

    57 		User::Exit(err);

    58 		}

    59 	}

    61 /**

    62 Returns a reference to the already created global RFs object.

    64 @return RFs reference

    66 @panic SqliteMt 3 Invalid RFs handle

    68 @see TStaticFs

    69 */

    70 RFs& TStaticFs::Fs()

    71 	{

    72 	__ASSERT_DEBUG(TheFs.iFs.Handle() != KNullHandle, __SQLITEPANIC2(ESqliteOsPanicInvalidFs));

    73 	return TheFs.iFs;

    74 	}

    76 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    77 //////////////////////////  TStaticMutex  //////////////////////////////////////////////////////////////////////////////////////

    78 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    80 /**

    81 Global array of static mutexes.

    83 @see TStaticMutex

    85 @internalComponent

    86 */

    87 static TStaticMutex	TheStaticMutex[KStaticMutexCount];

    89 /**

    90 Creates the static mutexes.

    91 If the creation fails, the program will be terminated.

    93 @see TStaticMutex

    94 */

    95 TStaticMutex::TStaticMutex()

    96 	{

    97 	TInt err = Create();

    98 	if(err != KErrNone)

    99 		{

   100 		SQLITE_TRACE_OS(OstTraceExt2(TRACE_INTERNALS, TSTATICMUTEX_TSTATICMUTEX, "OS;0x%X;TStaticMutex::TStaticMutex;err=%d", (TUint)this, err));

   101 		User::Exit(err);

   102 		}

   103 	}

   105 sqlite3_mutex* StaticMutex(TInt aType)

   106 	{

   107 	__ASSERT_ALWAYS((TUint)aType < (sizeof(TheStaticMutex)/sizeof(TheStaticMutex[0])), __SQLITEPANIC2(ESqliteOsPanicInvalidMutexType));

   108 	return &TheStaticMutex[aType];

   109 	}

   111 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

   112 //////////////////////////  sqlite3_vfs     ///////////////////////////////////////////////////////////////////////////////////

   113 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

   115 /**

   116 Global sqlite3_vfs object.

   118 @see VfsApi

   119 @see TVfs

   121 @internalComponent

   122 */

   123 static sqlite3_vfs TheVfsApi =

   124 	{

   125 	/*iVersion =*/		1,

   126 	/*szOsFile =*/ 		sizeof(TDbFile),

   127 	/*mxPathname =*/ 	KMaxFileName,

   128 	/*pNext =*/ 		NULL,

   129 	/*zName =*/ 		"SymbianSqliteMt",

   130 	/*pAppData =*/ 		NULL,

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

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

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

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

   135 	/*xDlOpen =*/ 		NULL,

   136 	/*xDlError =*/ 		NULL,

   137 	/*xDlSym =*/ 		NULL,

   138 	/*xDlClose =*/ 		NULL,

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

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

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

   142 	/*xGetLastError =*/ &TVfs::GetLastError

   143 	};

   145 sqlite3_vfs* VfsApi()

   146 	{

   147 	return &TheVfsApi;

   148 	}

   150 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

   151 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

   153 #endif//SQLITE_OS_SYMBIAN

author	sl
	Tue, 10 Jun 2014 14:32:02 +0200
changeset 1	260cb5ec6c19
permissions	-rw-r--r--