[Mono-dev] WaitAny does not consistently return when waiting on more than one WaitHandle

[Tom Philpot]

I¹ve finally gotten around to creating a Bugzilla case for this:
https://bugzilla.novell.com/show_bug.cgi?id=561792

Thanks,
Tom

On 11/25/09 3:59 PM, "Tom Philpot" <tom.philpot at logos.com> wrote:

> Zoltan,
> 
> Would it help if I created a Mac OS specific bugzilla? Is there someone else
> that can test this on Mac? (Geoff N, perhaps)?
> 
> This behavior is the same (i.e., consistently inconsistent) on 10.5 and 10.6
> for what it¹s worth.
> 
> Tom
> 
> On 11/25/09 3:55 PM, "Zoltan Varga" <vargaz at gmail.com> wrote:
> 
>> Hi,
>> 
>>   This seems to  work fine on linux.
>> 
>>                    Zoltan
>> 
>> On Thu, Nov 26, 2009 at 12:01 AM, Tom Philpot <tom.philpot at logos.com> wrote:
>>> We've written a small test case against Mono 2.7 (r146315) that confirms
>>> that WaitAny() does not return in a consistent amount of time, or sometimes
>>> at all when waiting on more than one WaitHandle. It also appears that there
>>> are no test cases in Mono for this case.
>>> 
>>> Our attached program takes 2 arguments. The first is the number of
>>> milliseconds to wait before the wait handles are set, the second is the
>>> number of milliseconds to wait in before exiting to give the thread pool
>>> time to notify.
>>> 
>>> We're running these tests on Mac OS X, if that helps.
>>> 
>>> 
>>> 
>>> Example of Failure case:
>>> 
>>> ws1048:Mono Patches tom.philpot$ /opt/mono/bin/mono WaitAnyTest.exe 35000
>>> 10000
>>> Setup wait handles, sleeping for 35s...
>>> Wait2: Calling WaitAny with 2 WaitHandles
>>> Wait1: Calling WaitAny with 1 WaitHandle
>>> done sleeping.
>>> Setting event 2.
>>> Sleeping for 10s to see if wait handles respond.
>>> Wait1: WaitAny(1) returned 0.
>>> 
>>> 
>>> Example of Successful case:
>>> 
>>> ws1048:Mono Patches tom.philpot$ /opt/mono/bin/mono WaitAnyTest.exe 5000
>>> 10000
>>> Setup wait handles, sleeping for 5s...
>>> Wait1: Calling WaitAny with 1 WaitHandle
>>> Wait2: Calling WaitAny with 2 WaitHandles
>>> done sleeping.
>>> Setting event 2.
>>> Sleeping for 10s to see if wait handles respond.
>>> Wait1: WaitAny(1) returned 0.
>>> Wait2: WaitAny(2) returned 1.
>>> RegisteredWaitForSingleObjectCallback called.
>>> 
>>> 
>>> _______________________________________________
>>> Mono-devel-list mailing list
>>> Mono-devel-list at lists.ximian.com
>>> http://lists.ximian.com/mailman/listinfo/mono-devel-list
>>> 
>> 
>> 
> 
> 
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