restemplate/indy/SuperCore/IdFiberWeaverThreaded.pas

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{
$Project$
$Workfile$
$Revision$
$DateUTC$
$Id$
This file is part of the Indy (Internet Direct) project, and is offered
under the dual-licensing agreement described on the Indy website.
(http://www.indyproject.org/)
Copyright:
(c) 1993-2005, Chad Z. Hower and the Indy Pit Crew. All rights reserved.
}
{
$Log$
}
{
Rev 1.4 6/11/2004 8:39:56 AM DSiders
Added "Do not Localize" comments.
Rev 1.3 2004-04-23 19:46:52 Mattias
TTempThread now uses WaitForFibers instead of sleep
Rev 1.2 2004.04.22 11:45:18 PM czhower
Bug fixes
Rev 1.1 2004.02.09 9:16:40 PM czhower
Updated to compile and match lib changes.
Rev 1.0 2004.02.03 12:38:54 AM czhower
Move
Rev 1.2 2003.10.21 12:19:22 AM czhower
TIdTask support and fiber bug fixes.
Rev 1.1 2003.10.19 4:38:32 PM czhower
Updates
}
unit IdFiberWeaverThreaded;
interface
uses
Classes,
IdFiberWeaverInline,
IdThread, IdSchedulerOfThread, IdFiberWeaver, IdFiber;
type
TTempThread = class(TIdThread)
protected
FFiberWeaver: TIdFiberWeaverInline;
//
procedure AfterRun; override;
procedure BeforeRun; override;
procedure Run; override;
end;
TIdFiberWeaverThreaded = class(TIdFiberWeaver)
protected
FThreadScheduler: TIdSchedulerOfThread;
FTempThread: TTempThread;
//
procedure InitComponent; override;
public
procedure Add(
AFiber: TIdFiber
); override;
destructor Destroy;
override;
published
property ThreadScheduler: TIdSchedulerOfThread read FThreadScheduler
write FThreadScheduler;
end;
implementation
uses
SysUtils;
{ TTempThread }
procedure TTempThread.AfterRun;
begin
inherited;
FreeAndNil(FFiberWeaver);
end;
procedure TTempThread.BeforeRun;
begin
inherited;
//TODO: Make this pluggable at run time? depends where threads come
//from - merge to scheduler? Base is in IdFiber though....
FFiberWeaver := TIdFiberWeaverInline.Create(nil);
FFiberWeaver.FreeFibersOnCompletion := True;
end;
procedure TTempThread.Run;
begin
//TODO: Temp hack
if FFiberWeaver.HasFibers then begin
FFiberWeaver.ProcessInThisThread;
end else begin
//Sleep(50);
FFiberWeaver.WaitForFibers(50);
end;
end;
{ TIdFiberWeaverThreaded }
procedure TIdFiberWeaverThreaded.Add(AFiber: TIdFiber);
begin
FTempThread.FFiberWeaver.Add(AFiber);
end;
destructor TIdFiberWeaverThreaded.Destroy;
begin
// is only created at run time
if FTempThread <> nil then begin
FTempThread.TerminateAndWaitFor;
FreeAndNil(FTempThread);
end;
inherited;
end;
procedure TIdFiberWeaverThreaded.InitComponent;
begin
inherited;
if not (csDesigning in ComponentState) then begin
FTempThread := TTempThread.Create(False, True, 'TIdSchedulerOfFiber Temp'); {do not localize}
end;
end;
end.