Rick McGuire wrote:
> On Sun, Sep 27, 2009 at 6:18 AM, Rony G. Flatscher
> <rony.flatsc...@wu-wien.ac.at> wrote:
>
>> Just a question: if issuing AttachThread() multiple times for the same
>> thread, would the same thread context pointer be returned or a new one
>> constructed each time?
>>
>
> It creates a new thread context each time.
>
Thanks.
>> Is the Rexx instance maintaining any thread-related data as long as a
>> Rexx thread exists at all?
>>
>
> Not sure what you're asking here.
>
Is there a means to query some sort of an id which would be unique for
each Rexx thread at runtime? Such that the same id would be returned by
different Rexx thread contexts returned by AttachThread(), if it was the
same Rexx thread one attaches to?
Then, if a new Rexx thread gets created (and by chance using the same
operating system thread) that would have a different unique id that one
can query at runtime? If each Rexx thread had a unique id, that does not
get reused, then maybe it even becomes possible to learn whether a
particular Rexx thread exists or or not (e.g. has died in the meantime.)
If such a means (to uniquely identify each Rexx thread) was available,
it would become possible to create and maintain Rexx thread dependent
application data and as long as a Rexx thread keeps on running that
thread related app data could be maintained/used for thread management
(e.g. in the BSF4Rexx case the bridge between Rexx threads and Java
threads, allowing one to maintain established point-to-point
relationships).
---rony
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