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9.8

for rllibby - Thread and FreeOnTerminate

Asked by geobul in Delphi Programming

Tags: freeonterminate, delphi

Hi,

In the question about thread termination
http://www.experts-exchange.com/Programming/Programming_Languages/Delphi/Q_21251495.html

which wasn't asked by me, during the discussion I put a new question:
'Is it correct to set FreeOnTerminate property of a thread in its Execute method?' Like the following:

procedure TMyThread.Execute;
begin
  try
     // do something here
  finally
    FreeOnTerminate := true;
  end;
end;

and rllibby answered:
<Quote>
Geo,

Setting it there should be fine, as the base ThreadProc function does not evaluate it until after the Execute(...) procedure is finished.

function ThreadProc(Thread: TThread): Integer;
var
  FreeThread: Boolean;
begin
  try
    Thread.Execute;
  finally
    FreeThread := Thread.FFreeOnTerminate;
    Result := Thread.FReturnValue;
    Thread.FFinished := True;
    Thread.DoTerminate;
    if FreeThread then Thread.Free;
    EndThread(Result);
  end;
end;

Regards,
Russell
<Quote>

Regards, Geo
 
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Zone: Delphi Programming
Tags: freeonterminate, delphi
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Solution Provided By: rllibby
Participating Experts: 1
Solution Grade: A
 
 
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