[Lazarus] debug windows (docking) layout

[Leslie Kaye]

Am Sonntag, 28. Februar 2010 04:35 schrieb SteveG:
> On 28/02/10 13:18, SteveG wrote:
> > On 28/02/10 13:08, Andrew Brunner wrote:
> >> I would never Process Application Messages from a timer thread.
> >>
> >> I suspect a threadlock going on. Does it work OK without the
> >> application.processmessages?
> >>
> >> On Sat, Feb 27, 2010 at 9:02 PM, SteveG<steveg at nevets.com.au> 
wrote:
> >>> I have just updated Laz (svn) and Fpc(2.4.0) and have hit a
> >>> problem with my
> >>> program. (worked ok with Laz 0.98 / fpc 2.?.?)
> >>>
> >>> I use a dyn loaded lib with my app, which seems to be relevant.
> >>>
> >>> If I call Application.ProcessMessages from within a
> >>> TTimer.OnTimer event, my
> >>> app now locks solid showing 'futex_wait_queue_me' in the process
> >>> listing.
> >>>
> >>> I havent yet been able to narrow down an exact cause, as a simple
> >>> app/lib
> >>> test works ok.
> >>>
> >>> Would anybody know what would cause the above state (futex), as a
> >>> clue to
> >>> the change in Laz/Fpc affecting my app ?
> >
> > It does seem to work without the App.proc call. The problem I have
> > seems to be caused by calling App.proc once my lib is loaded. This
> > was the closest I have been able to get in narrowing down to a
> > small test case. I call App.procMsgs from within my lib which is
> > where the actual problem seems to be.
> >
> > Is there any other way to create a 'pause' from within a
> > library/function call (not sleep, as it 'stops' the program).
> > My 'pause' function is works as :>
> > StTm := NOW;
> > while NOW < (StTm + TmOut) do begin
> > Sleep(1);
> > Application.ProcessMessages;
> > end;
> >
> > This worked ok before the Laz/fpc update, but seems to be broken
> > now ? This is just my 'guess' so far as where my problem lies ?
>
> After more study (read as: more google) - it may be related to the
> kernel changes in Ubuntu 10.04 - seems to be many unrelated programs
> suffering similar problems - will continue this story as I find more
> :)

Could you please post some of those links? Is this an Ubuntu specific 
kernel change?

Thanks, 
 Burkhard