Re: [ROOT] Another bug in TTimer on windows

From: Valeri Fine (fine@bnl.gov)
Date: Mon Mar 18 2002 - 21:56:19 MET


----- Original Message ----- 
From: "Anton Fokin" <anton.fokin@smartquant.com>
To: "Valeri Fine" <fine@bnl.gov>; "roottalk" <roottalk@pcroot.cern.ch>
Sent: Monday, March 18, 2002 1:06 PM
Subject: Re: [ROOT] Another bug in TTimer on windows


> Valery,
> 
> >   Anton,  why each time one has to ask you one and the same thing
> >   to be provided ?
> >
> >   - A simple test or example to reproduce the problem.
> >   - If you have found a problem reason and fix it  then the correction
> >     and test are appreciated.
> >
> >    Can you memorize that ;-)
> 
> 
> NOT AT ALL AND I AM NOT GOING TO SIMPLY BACAUSE THIS IS NOT MY PROJECT!
> (check out ROOT copyrights)
> 
> can you memorize this :)
> 
> PS. Although if I can find a bug quickly, etc. I have no probs to
> help/report.
> 
> I have asked a number of times : If you DO NOT SUPPORT ROOT ON WINDOWS tell
> me and others please, because people rely (read: depend) on you.

I believe you know the answer and I think ROOT Web site does provide a clear answer. 
"(check out ROOT copyrights)"

What you are saying I must shut up and do not communicate ROOTTALK for free ?

Ok, I agree I will not reply your questions for free anymore.

                               Good luck, Valeri



> 
> We are talking about BACKGROUNDS of ROOT framework. A single shot timer. XXI
> century. Whatta f@#$.
> 
> Cheers,
> Anton
> 
> http://www.smartquant.com
> 
> 
> ----- Original Message -----
> From: "Valeri Fine" <fine@bnl.gov>
> To: "Anton Fokin" <anton.fokin@smartquant.com>; "roottalk"
> <roottalk@pcroot.cern.ch>
> Sent: Monday, March 18, 2002 6:41 PM
> Subject: Re: [ROOT] Another bug in TTimer on windows
> 
> 
> >
> > ----- Original Message -----
> > From: "Anton Fokin" <anton.fokin@smartquant.com>
> > To: "roottalk" <roottalk@pcroot.cern.ch>
> > Sent: Monday, March 18, 2002 6:31 AM
> > Subject: [ROOT] Another bug in TTimer on windows
> >
> >
> > > Hello,
> > >
> > > single shot async mode doesn't work under windows (dont know about
> Linux)
> > >
> > > This below doesn't trigger timer (HandleTimer) at all
> > >
> > >   fTimer = new TTimer(this, 1000, kFALSE);
> > >   fTimer->Start(1000, kTRUE);
> > >
> > > Although this
> > >
> > >   fTimer = new TTimer(this, 1000, kFALSE);
> > >   fTimer->Start(1000);
> > >
> > > does (constantly).
> >
> >   Anton,  why each time one has to ask you one and the same thing
> >   to be provided ?
> >
> >   - A simple test or example to reproduce the problem.
> >   - If you have found a problem reason and fix it  then the correction
> >     and test are appreciated.
> >
> >    Can you memorize that ;-)
> >
> > Coming back to the problem you reported:
> >
> > I did not know about Start method.
> > I've looked it up. From the first glance it is NOT correct.
> > http://root.cern.ch/root/html/src/TTimer.cxx.html#TTimer:Start
> >
> >  void TTimer::Start(Int_t milliSec, Bool_t singleShot)
> > {
> >    if (milliSec >= 0)
> >       SetTime(milliSec);
> >    Reset();
> >    TurnOn();
> >    if (singleShot)
> >       Connect(this, "Timeout()", "TTimer", this, "TurnOff()");
> >    else
> >       Disconnect(this, "Timeout()", this, "TurnOff()");
> > }
> >
> >   My guess the methods Connect/Disconnect may have been called too late.
> >   To avoid the problem I would recommend to change the order of the
> methods above, namely:
> >
> >  void TTimer::Start(Int_t milliSec, Bool_t singleShot)
> > {
> >    if (milliSec >= 0)
> >       SetTime(milliSec);
> >    Reset();
> >  //    TurnOn();  // move this statement
> >    if (singleShot)
> >       Connect(this, "Timeout()", "TTimer", this, "TurnOff()");
> >    else
> >       Disconnect(this, "Timeout()", this, "TurnOff()");
> >    TurnOn(); // New position of the method
> > }
> >
> > I mean FIRST the signal/slot connection must be established and THEN the
> timer
> > should be fired but ... TurnOn
> > http://root.cern.ch/root/html/src/TTimer.cxx.html#TTimer:TurnOn
> > calls
> >
> >    Disconnect(this, "Timeout()", this, "TurnOff()");
> >
> > ??? That is NOT what we want for the single shot case.
> >
> > I wonder if one can provide the timeout that is long enough to get
> Signal/Slot
> > connection made established then everything should (?)  work properly with
> no change.
> >
> >   Can one check this ?
> >                Thank you
> >                           Best regards, Valeri
> >
> > >
> > > /Anton
> > >
> > > http://www.smartquant.com
> > >
> > >
> > >
> >
> >
> >
> 



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