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| ///////////////////////////////////////////////////////////////////////////
// //
// Copyright (c) 2015 by Charta Software B.V. //
// All rights reserved //
// //
// Version: 1.7.0.83525 //
// Web site: https://pascal.chartasoftware.com/ //
// //
// This code and information are provided "as is" without warranty of //
// any kind. Dissemination of this information or reproduction of //
// this material is strictly forbidden unless prior written permission //
// is obtained from Charta Software B.V.. //
// //
///////////////////////////////////////////////////////////////////////////
unit Integer._32;
interface
type
TInteger32 = LongInt;
PInteger32 = ^TInteger32;
function InterlockedIncrement(var Addend: TInteger32): TInteger32;
function InterlockedDecrement(var Addend: TInteger32): TInteger32;
implementation
{$IF Defined(CHARTA_PASCAL)}
function InterlockedIncrement(var Addend: TInteger32): TInteger32; external runtime;
function InterlockedDecrement(var Addend: TInteger32): TInteger32; external runtime;
{$ELSE}
{$IF Defined(CPUX86)}
function InterlockedIncrement(var Addend: TInteger32): TInteger32;
asm
MOV ECX,EAX
MOV EAX,1
LOCK XADD [ECX],EAX
INC EAX
end;
function InterlockedDecrement(var Addend: TInteger32): TInteger32;
asm
MOV ECX,EAX
MOV EAX,-1
LOCK XADD [ECX],EAX
DEC EAX
end;
{$ELSEIF Defined(CPUX64)}
function InterlockedDecrement(var Addend: TInteger32): TInteger32;
asm
.NOFRAME
MOV EAX,-1
LOCK XADD [RCX].Integer,EAX
DEC EAX
end;
function InterlockedIncrement(var Addend: TInteger32): TInteger32;
asm
MOV EAX,1
LOCK XADD [RCX].Integer,EAX
INC EAX
end;
{$ELSEIF Defined(NEXTGEN)}
function InterlockedDecrement(var Addend: TInteger32): TInteger32;
begin
Result := AtomicDecrement(Addend);
end;
function InterlockedIncrement(var Addend: TInteger32): TInteger32;
begin
Result := AtomicIncrement(Addend);
end;
{$ENDIF}
{$ENDIF}
end.
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