1 // Copyright (c) 2008-2009 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\nkern\nk_old.cpp

    15 // 

    16 //

    17 

    18 #include <e32atomics.h>

    19 

    20 extern "C" {

    21 

    22 EXPORT_C TInt __old_LockedInc(TInt& aCount)

    23 	{ return __e32_atomic_add_ord32(&aCount,1); }

    24 

    25 EXPORT_C TInt __old_LockedDec(TInt& aCount)

    26 	{ return __e32_atomic_add_ord32(&aCount,0xffffffff); }

    27 

    28 EXPORT_C TInt __old_LockedAdd(TInt& aDest, TInt aSrc)

    29 	{ return __e32_atomic_add_ord32(&aDest,aSrc); }

    30 

    31 EXPORT_C TInt64 __old_LockedInc64(TInt64& aCount)

    32 	{ return __e32_atomic_add_ord64(&aCount,1); }

    33 

    34 EXPORT_C TInt64 __old_LockedDec64(TInt64& aCount)

    35 	{ return __e32_atomic_add_ord64(&aCount,TUint64(TInt64(-1))); }

    36 

    37 EXPORT_C TInt64 __old_LockedAdd64(TInt64& aDest, TInt64 aSrc)

    38 	{ return __e32_atomic_add_ord64(&aDest,aSrc); }

    39 

    40 EXPORT_C TUint32 __old_LockedSetClear(TUint32& aDest, TUint32 aClearMask, TUint32 aSetMask)

    41 	{ return __e32_atomic_axo_ord32(&aDest,~(aClearMask|aSetMask),aSetMask); }

    42 

    43 EXPORT_C TUint16 __old_LockedSetClear16(TUint16& aDest, TUint16 aClearMask, TUint16 aSetMask)

    44 	{ return __e32_atomic_axo_ord16(&aDest,TUint16(~(aClearMask|aSetMask)),aSetMask); }

    45 

    46 EXPORT_C TUint8 __old_LockedSetClear8(TUint8& aDest, TUint8 aClearMask, TUint8 aSetMask)

    47 	{ return __e32_atomic_axo_ord8(&aDest,TUint8(~(aClearMask|aSetMask)),aSetMask); }

    48 

    49 EXPORT_C TInt __old_SafeInc(TInt& aCount)

    50 	{ return __e32_atomic_tas_ord32(&aCount,1,1,0); }

    51 

    52 EXPORT_C TInt __old_SafeDec(TInt& aCount)

    53 	{ return __e32_atomic_tas_ord32(&aCount,1,-1,0); }

    54 

    55 EXPORT_C TInt __old_AddIfGe(TInt& aCount, TInt aLimit, TInt aInc)

    56 	{ return __e32_atomic_tas_ord32(&aCount,aLimit,aInc,0); }

    57 

    58 EXPORT_C TInt __old_AddIfLt(TInt& aCount, TInt aLimit, TInt aInc)

    59 	{ return __e32_atomic_tas_ord32(&aCount,aLimit,0,aInc); }

    60 

    61 EXPORT_C TAny* __old_SafeSwap(TAny* aNewValue, TAny*& aPtr)

    62 	{ return __e32_atomic_swp_ord_ptr(&aPtr, aNewValue); }

    63 

    64 EXPORT_C TUint8 __old_SafeSwap8(TUint8 aNewValue, TUint8& aPtr)

    65 	{ return __e32_atomic_swp_ord8(&aPtr, aNewValue); }

    66 

    67 EXPORT_C TUint16 __old_SafeSwap16(TUint16 aNewValue, TUint16& aPtr)

    68 	{ return __e32_atomic_swp_ord16(&aPtr, aNewValue); }

    69 

    70 EXPORT_C TBool __old_CompareAndSwap(TAny*& aPtr, TAny* aExpected, TAny* aNew)

    71 	{ return __e32_atomic_cas_ord_ptr(&aPtr, &aExpected, aNew); }

    72 

    73 EXPORT_C TBool __old_CompareAndSwap8(TUint8& aPtr, TUint8 aExpected, TUint8 aNew)

    74 	{ return __e32_atomic_cas_ord8(&aPtr, (TUint8*)&aExpected, (TUint8)aNew); }

    75 

    76 EXPORT_C TBool __old_CompareAndSwap16(TUint16& aPtr, TUint16 aExpected, TUint16 aNew)

    77 	{ return __e32_atomic_cas_ord16(&aPtr, (TUint16*)&aExpected, (TUint16)aNew); }

    78 

    79 }