fpc/rtl/inc/heaph.inc
1998-10-01 14:55:17 +00:00

84 lines
2.3 KiB
PHP

{
$Id$
This file is part of the Free Pascal run time library.
Copyright (c) 1993,97 by the Free Pascal development team
Heap manager interface section
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.
**********************************************************************}
{ Memorymanager }
type
PMemoryManager = ^TMemoryManager;
TMemoryManager = record
Getmem : procedure(Var p:pointer;Size:Longint);
Freemem : procedure(Var p:pointer;Size:Longint);
end;
procedure GetMemoryManager(var MemMgr: TMemoryManager);
procedure SetMemoryManager(const MemMgr: TMemoryManager);
function IsMemoryManagerSet: Boolean;
Procedure SysGetmem(Var p:pointer;Size:Longint);
Procedure SysFreemem(Var p:pointer;Size:Longint);
{ Variables }
const
heapblocks : boolean=true;
growheapsize : longint=$100000;
var
heaporg,heapptr,heapend,heaperror,freelist : pointer;
{ Basic (TP7) functions }
Procedure getmem(Var p:pointer;Size:Longint);
Procedure freemem(Var p:pointer;Size:Longint);
Function memavail:Longint;
Function maxavail:Longint;
Procedure mark(var p : pointer);
Procedure release(var p : pointer);
{ Fpc Functions }
Function heapsize : longint;
Procedure markheap(var oldfreelist,oldheapptr : pointer);
Procedure releaseheap(oldfreelist,oldheapptr : pointer);
{$ifdef TEMPHEAP}
{ Temp Heap Functions }
const
allow_special : boolean =true;
Procedure split_heap;
Procedure switch_to_base_heap;
Procedure switch_to_temp_heap;
Procedure switch_heap;
Procedure releasetempheap;
Procedure gettempmem(var p : pointer;size : longint);
{$endif TEMPHEAP}
{
$Log$
Revision 1.7 1998-10-01 14:55:18 peter
+ memorymanager like delphi
Revision 1.6 1998/09/08 15:03:27 peter
* moved getmem/freemem/memavail/maxavail to heaph.inc
Revision 1.5 1998/07/02 14:11:30 michael
Reinstated the heapsize function.
Revision 1.3 1998/05/12 10:42:45 peter
* moved getopts to inc/, all supported OS's need argc,argv exported
+ strpas, strlen are now exported in the systemunit
* removed logs
* removed $ifdef ver_above
Revision 1.2 1998/04/21 10:23:15 peter
+ heapblocks
}