Re: [Oorexx-devel] Problem with SysStemSort, but ...

[Rick M. <obj...@gm...>]

Note that you really have very limited ability to do anything in a
package unloader.  At this point, everything is shutting down.  All of
the instances have been cleaned up already and this is one of the very
last steps in the process of cleaning thiings up.  I doesn't surprise
me that you might be having problems calling things in that state.

Rick

On Tue, May 26, 2009 at 11:50 AM, Rony G. Flatscher
<Ron...@wu...> wrote:
>
> Rick McGuire wrote:
>> This is exactly the last scenario I described to you yesterday and you
>> adamantly declared that RexxCreateInterpreter was not getting called.
>> There is an association between a thread and the "top-most" thread
>> context that is created on that thread.  Once you call
>> RexxCreateInterpreter on a given thread, you've created a new thread
>> context and all legacy callbacks will map back to the the instance
>> that is at the top of the call stack.
>>
> Yes, I thought so. But after going through the code path I found that.
>
>> I see you have two choices for calls that involve this sort of nesting:
>>
>> 1)  Spin off a thread that creates an interpreter instance and holds
>> it active, then use AttachThread()/DetatchThread() on that instance
>> for all of your callbacks.
>>
> O.K. Currently I am Terminate()-ing that instance again before returning
> from the Java initialization.
>
> But then, when running the unloader I get a problem in that sending
> messages to a directory object causes an exception. That directory
> object is created in the loader, globally locked and should be cleaned,
> unlocked and freed in the unloader. Have to look yet further into this
> corner.
>
>> 2)  Since the first usage is initiated by Rexx code, just use the
>> interpreter instance from the initial call context as your active
>> instance.
>>
> Yes, that is what I do (will go through the code path once more, once I
> get a little bit more time).
>
> ---rony
>
>
>
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