os/kernelhwsrv/kernel/eka/nkern/nk_old.cpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
     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 }