I had this exact problem, make sure the system event handler has a chance to
un allocate memory on its own. I fixed mine by changing the frmCloseEvent
handler to return a False so that the system event handler could release the
memory.
Jason
----- Original Message -----
From: "D. DeVecchio" <[EMAIL PROTECTED]>
To: "Palm Developer Forum" <[EMAIL PROTECTED]>
Sent: Wednesday, April 26, 2000 5:20 PM
Subject: Re: read from unallocated chunk during the EvtGetEvent call
> Bob Ebert,
>
>
> Well thank God, someone got back to me. I was beginning to feel very
> lonely. I have had this problem off and on for months now and I just
> don't get it.
>
>
>
>
> On Wed, 26 Apr 2000 21:06:15 +0200, you said:
>
> >
> > 1) are you sure it's the event pointer that's causing the problem?
> No, but if it isn't something that /I/ am passing, what causes PalmOS
> crash on me (and only me)?
>
> > You
> > should look carefully at the stack trace and the address that's being
> > followed when the bus error occurs.
>
> I have stared at the stack trace for hours. In the end though it is
> just a bunch of numbers. I have no idea what the numbers are supposd to
> be. Do you know of something I can compare them to in order to check
> for validity?
>
>
>
> >
> > 2) It's possible for stack-based variables to be in invalid ranges.
This
> > happens when you overflow the stack!
> I was getting stack overflow errors for a while due to creating local
> variables without allocating memory like so...
>
> Char displayStr[300];
>
> Having realized the error of my ways, I went through and cleaned up
> about 1 kB of variable space. Is there any way to determine the amount
> of space on the stack? How much space should I allow for the PalmOS
> routines to run smoothly?
>
>
>
> I have noticed that the problems are 10times worse after an alarm is
> displayed, but I don't know of any method for my program's alarm display
> function to leave material on the the stack - presumably all variables
> are de-allocated when the program's AlarmDisplayTriggeredAlarm routine
> exits to the OS. Is there something I am missing?
>
>
>
>
> derik
>
> email: [EMAIL PROTECTED]
>
> WWW: http://www.pobox.com/~derik
>
>
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