1 /*

     2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  

    15 *

    16 */

    17 

    18 #ifndef __OOM_H__

    19 #define __OOM_H__

    20 

    21 #ifdef __OOM__

    22 

    23 #include "MemoryManager.h"

    24 

    25 /*

    26 #include "ObjectBase.h"

    27 

    28 // base class with overloaded new/delete operator

    29 #define OOM_NEW_DELETE  public: \

    30             static TAny* operator new( TUint size )   { return CObjectBase::operator new(size); }\

    31             static void operator delete( TAny* ptr )  { CObjectBase::operator delete(ptr); }

    32 

    33 #define OOM_NEW_DELETE_WITH_ARRAY public: \

    34             static TAny* operator new( TUint size )   { return CObjectBase::operator new(size); }\

    35             static void  operator delete( TAny* ptr ) { CObjectBase::operator delete(ptr); } \

    36             static TAny* operator new[]( TUint size ) { return CObjectBase::operator new[](size); }\

    37             static void  operator delete[]( TAny* ptr ) { CObjectBase::operator delete[](ptr); }

    38 */

    39 

    40 #ifdef OOM_LOGGING

    41 

    42 // logging the function memory usage, the function shouldn't return between the pair

    43 #define OOM_CRITICAL_PATH_BEGIN(func, sz) FunctionLoggerWrapper* __oom_function_logger_wrapper = new FunctionLoggerWrapper(TPtrC8( (const TUint8*)func, strlen(func) ), TPtrC8( (const TUint8*)__FILE__, strlen(__FILE__) ), __LINE__, sz ); {  

    44 #define OOM_CRITICAL_PATH_END         } delete __oom_function_logger_wrapper;

    45 

    46 #else // OOM_LOGGING

    47 

    48 #define OOM_CRITICAL_PATH_BEGIN(func, sz)

    49 #define OOM_CRITICAL_PATH_END

    50 

    51 #endif

    52 

    53 // precheck and postcheck macros, the function shouldn't return between precheck and postcheck pair.

    54 // usage:

    55 //      OOM_PRE_CHECK( 100000, "MemoryConsumer::consume" )

    56 //      .... your code without return.

    57 //      OOM_POST_CHECK_FAILED { return_with_oom; }

    58 //      .... your normal return.

    59 #define OOM_PRE_CHECK(s, m, c)  { _LIT8(__temp, c); if( MemoryManager::PreCheck( s, m, __temp ) ) { 

    60 #define OOM_POST_CHECK_FAILED(__r)    } } if( MemoryManager::PostCheck() != ENoOOM ) { __r;}

    61 

    62 #else // __OOM__

    63 

    64 // empty macros

    65 #define OOM_NEW_DELETE

    66 #define OOM_NEW_DELETE_WITH_ARRAY

    67 #define OOM_CRITICAL_PATH_BEGIN(func, sz)

    68 #define OOM_CRITICAL_PATH_END

    69 #define OOM_PRE_CHECK( s, m, c )

    70 #define OOM_POST_CHECK_FAILED(__r)

    71 

    72 #endif

    73 

    74 #endif  //__OOM_H__