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* changed formatting to conform to the rest of the compiler/rtl
* fixed SysMaxAvail so it also looks at the free fixed size blocks
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75680eaa31
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@ -502,6 +502,7 @@ end;
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function SysMaxavail: ptrint;
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var
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pmc : pmemchunk_var;
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i: longint;
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begin
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pmc := freelist_var;
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sysmaxavail := 0;
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@ -511,6 +512,15 @@ begin
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sysmaxavail := pmc^.size;
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pmc := pmc^.next_var;
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end;
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if sysmaxavail = 0 then
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begin
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for i := maxblockindex downto 1 do
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if assigned(freelists_fixed[i]) then
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begin
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sysmaxavail := i shl blockshr;
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exit;
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end;
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end;
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end;
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@ -619,7 +629,9 @@ begin
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dec(internal_heapsize, poc^.size);
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dec(internal_memavail, poc^.size);
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SysOSFree(poc, poc^.size);
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end else begin
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end
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else
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begin
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{$endif}
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poc^.prev := nil;
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poc^.next := freeoslist;
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@ -711,7 +723,9 @@ begin
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if (mc_right^.size and lastblockflag) <> 0 then
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begin
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mc_left^.size := mc_left^.size or lastblockflag;
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end else begin
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end
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else
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begin
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// there is a block to the right of the right-block, adjust it's prevsize
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mc_tmp := pmemchunk_var(pointer(mc_right)+size_right);
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mc_tmp^.prevsize := mc_left^.size and sizemask;
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@ -796,16 +810,16 @@ begin
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result := SysOSAlloc(GrowHeapSizeSmall);
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if result<>nil then
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size := GrowHeapSizeSmall;
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end else
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end
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{ first try 256K (default) }
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if size<=GrowHeapSize1 then
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else if size<=GrowHeapSize1 then
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begin
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result := SysOSAlloc(GrowHeapSize1);
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if result<>nil then
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size := GrowHeapSize1;
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end else
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end
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{ second try 1024K (default) }
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if size<=GrowHeapSize2 then
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else if size<=GrowHeapSize2 then
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begin
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result := SysOSAlloc(GrowHeapSize2);
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if result<>nil then
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@ -850,14 +864,18 @@ begin
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begin
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pmc := pmemchunk_fixed(pointer(pmc)+chunksize);
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pmc^.prev_fixed := pointer(pmc)-chunksize;
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end else begin
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end
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else
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begin
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break;
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end;
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until false;
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append_to_list_fixed(blockindex, pmc);
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pmc^.prev_fixed := pointer(pmc)-chunksize;
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freelists_fixed[blockindex] := pmemchunk_fixed(result);
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end else begin
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end
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else
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begin
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pmcv := pmemchunk_var(result);
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append_to_list_var(pmcv);
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pmcv^.size := ((size-sizeof(toschunk)) and sizemask) or (firstblockflag or lastblockflag);
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@ -923,7 +941,9 @@ begin
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if pcurr^.size=size then
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begin
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break;
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end else begin
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end
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else
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begin
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if (pcurr^.size>size) then
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begin
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if (not assigned(pbest)) or
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@ -982,7 +1002,9 @@ begin
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begin
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size := (size+sizeof(tmemchunk_fixed_hdr)+(blocksize-1)) and fixedsizemask;
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sysgetmem := sysgetmem_fixed(size);
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end else begin
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end
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else
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begin
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size := (size+sizeof(tmemchunk_var_hdr)+(blocksize-1)) and sizemask;
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sysgetmem := sysgetmem_var(size);
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end;
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@ -1059,7 +1081,9 @@ begin
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if (pcurrsize and fixedsizeflag) = 0 then
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begin
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result := sysfreemem_var(pmemchunk_var(p-sizeof(tmemchunk_var_hdr)), pcurrsize and sizemask);
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end else begin
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end
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else
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begin
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result := sysfreemem_fixed(pmemchunk_fixed(p-sizeof(tmemchunk_fixed_hdr)), pcurrsize and fixedsizemask);
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end;
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end;
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@ -1088,7 +1112,9 @@ begin
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begin
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size := (size+sizeof(tmemchunk_var_hdr)+(blocksize-1)) and sizemask;
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result := sysfreemem_var(pmemchunk_var(p-sizeof(tmemchunk_var_hdr)), size);
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end else begin
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end
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else
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begin
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size := (size+sizeof(tmemchunk_fixed_hdr)+(blocksize-1)) and fixedsizemask;
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result := sysfreemem_fixed(pmemchunk_fixed(p-sizeof(tmemchunk_fixed_hdr)), size);
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end;
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@ -1106,7 +1132,9 @@ begin
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begin
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SysMemSize := SysMemSize and sizemask;
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dec(SysMemSize, sizeof(tmemchunk_var_hdr));
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end else begin
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end
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else
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begin
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SysMemSize := SysMemSize and fixedsizemask;
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dec(SysMemSize, sizeof(tmemchunk_fixed_hdr));
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end;
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@ -1142,7 +1170,9 @@ begin
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if size <= (maxblocksize - sizeof(tmemchunk_fixed_hdr)) then
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begin
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size := (size+sizeof(tmemchunk_fixed_hdr)+(blocksize-1)) and fixedsizemask;
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end else begin
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end
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else
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begin
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size := (size+sizeof(tmemchunk_var_hdr)+(blocksize-1)) and sizemask;
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end;
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@ -1151,7 +1181,9 @@ begin
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if (pcurrsize and fixedsizeflag) = 0 then
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begin
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currsize := pcurrsize and sizemask;
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end else begin
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end
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else
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begin
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currsize := pcurrsize and fixedsizemask;
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end;
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oldsize := currsize;
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@ -1303,7 +1335,11 @@ end;
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{
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$Log$
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Revision 1.35 2004-06-29 20:50:32 peter
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Revision 1.36 2004-08-10 18:58:36 jonas
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* changed formatting to conform to the rest of the compiler/rtl
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* fixed SysMaxAvail so it also looks at the free fixed size blocks
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Revision 1.35 2004/06/29 20:50:32 peter
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* readded support for ReturnIfGrowHeapFails
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Revision 1.34 2004/06/27 19:47:27 florian
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