mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-04-07 02:31:12 +02:00
51 lines
1.8 KiB
PHP
51 lines
1.8 KiB
PHP
{
|
|
Basic heap handling for windows platforms
|
|
|
|
This file is part of the Free Pascal run time library.
|
|
Copyright (c) 2001-2005 by Free Pascal development team
|
|
|
|
See the file COPYING.FPC, included in this distribution,
|
|
for details about the copyright.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
**********************************************************************}
|
|
|
|
|
|
{*****************************************************************************
|
|
OS Memory allocation / deallocation
|
|
****************************************************************************}
|
|
|
|
{ memory functions }
|
|
function GetProcessHeap : THandle;
|
|
{$ifdef wince}cdecl{$else}stdcall{$endif};external KernelDLL name 'GetProcessHeap';
|
|
function HeapAlloc(hHeap : DWord; dwFlags : DWord; dwBytes : SIZE_T) : pointer;
|
|
{$ifdef wince}cdecl{$else}stdcall{$endif};external KernelDLL name 'HeapAlloc';
|
|
function HeapFree(hHeap : THandle; dwFlags : dword; lpMem: pointer) : boolean;
|
|
{$ifdef wince}cdecl{$else}stdcall{$endif};external KernelDLL name 'HeapFree';
|
|
{$IFDEF SYSTEMDEBUG}
|
|
function WinAPIHeapSize(hHeap : THandle; dwFlags : DWord; ptr : Pointer) : DWord;
|
|
{$ifdef wince}cdecl{$else}stdcall{$endif};external 'kernel32' name 'HeapSize';
|
|
{$ENDIF}
|
|
|
|
|
|
function SysOSAlloc(size: ptruint): pointer;
|
|
var
|
|
p : pointer;
|
|
begin
|
|
p := HeapAlloc(GetProcessHeap, 0, size);
|
|
{$ifdef DUMPGROW}
|
|
Writeln('new heap part at $',hexstr(p), ' size = ',WinAPIHeapSize(GetProcessHeap()));
|
|
{$endif}
|
|
SysOSAlloc := p;
|
|
end;
|
|
|
|
{$define HAS_SYSOSFREE}
|
|
|
|
procedure SysOSFree(p: pointer; size: ptruint);
|
|
begin
|
|
HeapFree(GetProcessHeap, 0, p);
|
|
end;
|