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

[Zoltan Varga]

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.
>
>
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>
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