* changed formatting to conform to the rest of the compiler/rtl

* fixed SysMaxAvail so it also looks at the free fixed size blocks
This commit is contained in:
Jonas Maebe 2004-08-10 18:58:36 +00:00
parent 75680eaa31
commit 6840bd8ece

View File

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