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[wxhaskell-devel] [ wxhaskell-Bugs-2818573 ] taskBarIconDelete segfaults when you use it twice
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From: SourceForge.net <no...@so...> - 2009-07-08 14:28:23
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Bugs item #2818573, was opened at 2009-07-08 14:28 Message generated for change (Tracker Item Submitted) made by nobody You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=536845&aid=2818573&group_id=73133 Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: None Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: Nobody/Anonymous (nobody) Assigned to: Nobody/Anonymous (nobody) Summary: taskBarIconDelete segfaults when you use it twice Initial Comment: Sorry for the unconventional bug report, but I posted this to the mailing list wxhaskell-user before I discovered this bug-tracker: I've discovered that taskBarIconDelete crashes when you use it twice. I first encountered this on Windows when I used it in the "on close" attribute for removing the icon when I close the program. I then tried to reproduce this on Linux and it first seemed to be a Windows-only problem. But when I removed the "propagateEvent" on Linux I couldn't close my program the first time, only the icon was deleted. The second time I tried to close the program it segfaulted. I first thought it correlated with the use of evtHandlerOnTaskBarIconEvent, because removing this seemed to fix everything. (maybe this is an uncorrelated, second, bug?) But then I thought by myself: It doesn't make sense that the program crashes on Linux on the second close attempt. So wrote a minimal example to try out what happens when I delete the taskbar-icon more than one time. And it segfaulted, like I expected. On both, Linux and Windows. When I delete it once, I can close my application afterwards successfully. When I delete it twice, it segfaults. Here are the environments I tested my program in: * Windows XP using GHC 6.10.3 with wx-0.11.1.2 with wxWidgets-2.8.10 * Ubuntu 9.04 using GHC 6.10.3 with wx-0.11.1.2 with wxWidgets-2.8.9.1 ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=536845&aid=2818573&group_id=73133 |
