Re: [Pyobjc-dev] autorelease pool page corrupted

[Ronald O. <ron...@ma...>]

On 22 Oct, 2013, at 15:49, Jake Wang <del...@gm...> wrote:

> Hi,
> 
> I used PyObjc in a python application for monitoring some global events:
> 
> class MacOSXEventMonitor():
>     def init(self):
>         log.debug("Initializing events monitor for Mac OS X...")
> 
>         self._observer = NSEvent.addGlobalMonitorForEventsMatchingMask_handler_(
>             NSLeftMouseDownMask
>             | NSLeftMouseUpMask
>             | NSRightMouseDownMask
>             | NSRightMouseUpMask
>             | NSMouseMovedMask
>             | NSLeftMouseDraggedMask
>             | NSRightMouseDraggedMask
>             | NSMouseEnteredMask
>             | NSMouseExitedMask
>             | NSScrollWheelMask
>             | NSKeyDownMask
>             | NSKeyUpMask
>             | NSAlphaShiftKeyMask
>             | NSShiftKeyMask
>             | NSControlKeyMask
>             | NSAlternateKeyMask
>             | NSCommandKeyMask
>             | NSNumericPadKeyMask
>             | NSHelpKeyMask
>             | NSFunctionKeyMask
>             | NSFlagsChangedMask, self.handleEvent)
> 
>     def handleEvent(self, event):
>         # NSLog(u"%@", event)
> 
>     def stop(self):
>         NSEvent.removeMonitor_(self._observer)
> 
> It is strange that each time when I exit the application, the following error printed in console:
> 
> objc[8775]: autorelease pool page 0x1009e0000 corrupted
>   magic 0x1009ff00 0xc0000000 0x00000000 0x60000000
>   pthread 0x7fff7e917180
> 
> Also a system dialog shown (please see the screenshot attached).
> 
> Anyone encountered this before? Much appreciate for any suggestions/help.

(I'm sorry if this arrives twice, I just noticed that an earlier attempt at replying seems to be dropped to the floor by mail.app...)

Do you have a self-contained program that demonstrates the problem? I can get callbacks to handleEvent by embedding the code above
in a small app, but the app doesn't crash in the way you mention.

Ronald

> 
> Thanks,
> Jake
> 
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