1 // Copyright (c) 1994-2009 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 the License "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 // e32\klib\kheap.cpp

    15 // 

    16 //

    17 

    18 #include <kernel/kern_priv.h>

    19 

    20 _LIT(KLitKernHeap,"KernHeap");

    21 

    22 RHeapK::RHeapK(TInt aInitialSize)

    23 	: RHeap(aInitialSize, 0, EFalse)

    24 	{

    25 	}

    26 

    27 TInt RHeapK::Compress()

    28 	{

    29 	return 0;

    30 	}

    31 

    32 void RHeapK::Reset()

    33 	{

    34 	Fault(KErrNotSupported);

    35 	}

    36 

    37 TInt RHeapK::AllocSize(TInt& aTotalAllocSize) const

    38 	{

    39 	(void)aTotalAllocSize;

    40 	Fault(KErrNotSupported);

    41 	return 0;

    42 	}

    43 

    44 TInt RHeapK::Available(TInt& aBiggestBlock) const

    45 	{

    46 	(void)aBiggestBlock;

    47 	Fault(KErrNotSupported);

    48 	return 0;

    49 	}

    50 

    51 TInt RHeapK::CreateMutex()

    52 	{

    53 	DMutex*& m = *(DMutex**)&iLock;

    54 	return K::MutexCreate(m, KLitKernHeap, NULL, EFalse, KMutexOrdKernelHeap);

    55 	}

    56 

    57 RHeapK* RHeapK::FixedHeap(TAny* aBase, TInt aInitialSize)

    58 //

    59 // Create a kernel fixed heap.

    60 //

    61 	{

    62 

    63 	__ASSERT_ALWAYS(aInitialSize>KMinHeapSize, K::Fault(K::ETHeapMaxLengthNegative));

    64 	return new(aBase) RHeapK(aInitialSize);

    65 	}

    66 

    67 void RHeapK::CheckThreadState()

    68 //

    69 // Check that the kernel is not locked and the thread is unkillable

    70 //

    71 	{

    72 	if (K::Initialising)

    73 		return;

    74 	__NK_ASSERT_UNLOCKED;

    75 	__ASSERT_NO_FAST_MUTEX;

    76 	__ASSERT_CRITICAL;

    77 	}

    78 

    79 void RHeapK::Fault(TInt aFault)

    80 	{

    81 	Kern::Fault("KERN-HEAP", aFault);

    82 	}

    83 

    84 #if defined(__HEAP_MACHINE_CODED__) && !defined(_DEBUG)

    85 GLDEF_C void RHeapK_PanicBadAllocatedCellSize()

    86 	{

    87 	K::Fault(K::EKHeapBadAllocatedCellSize);

    88 	}

    89 

    90 GLDEF_C void RHeapK_PanicBadNextCell()

    91 	{

    92 	K::Fault(K::EKHeapFreeBadNextCell);

    93 	}

    94 

    95 GLDEF_C void RHeapK_PanicBadPrevCell()

    96 	{

    97 	K::Fault(K::EKHeapFreeBadPrevCell);

    98 	}

    99 

   100 GLDEF_C void RHeapK_PanicBadCellAddress()

   101 	{

   102 	K::Fault(K::EKHeapBadCellAddress);

   103 	}

   104 #endif

   105