On Fri, Apr 13, 2018 at 6:40 PM, Erich Steinböck <erich.steinbo...@gmail.com
> wrote:
>
>> - How do I wait for SysThreads to terminate? Or check if they're
>> still running?
>>
>> For the Windows version, I called terminate on the thread object that
>> will clean things up.
>>
>
> When terminate() returns, I know that dispatch() has finished?
> I believe I need to wait for dispatch() to finish, or how else do I know
> when the main thread can start to retrieve the data from the error thread
> (see next paragraph)
>
The easiest way would probably be to add a semaphore to the SysThread
subclass that dispatch can post when it finishes.
>
>
>>
>>> - Can I raise an exception from within the dispatch() method (if I
>>> have the appropriate exit context available, of course)? I'm asking,
>>> because your code delays raising the exception until after terminate()
>>>
>>> No, you can't. The context objects are tied to the thread making the
>> call to the handler. You also cannot call the ioContext methods from the
>> Error thread. It would have to hold any data read and then have the main
>> thread handle it at the end.
>>
>
> OK, I see, thanks
>
>
>>> - My (yet completely untested) code issues a message "terminate
>>> called after throwing an instance of 'NativeActivation*'" - haven't ever
>>> seen that before (I of course assume this due to my own bugs
>>>
>>> You must have tried to raise an error on other than the main thread.
>> There's no backing ooRexx code there to handle the error. All callbacks to
>> the interpreter need to happen on the main thread.
>>
>
> Yes, that's what I did ..
>
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