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Re: Question about inter-thread stack references

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On Thu, 15 Jan 2015 23:54:57 -0800, Ivan Godard <ivan@ootbcomp.com>
wrote:

>If a process has two or more threads running in it, what are the rules
>regarding one thread referencing memory in a different thread's stack?
> ...

>Is anyone aware of language/thread package/hardware rules about required
>semantics for such usage? Is it explicitly permitted, explicitly banned,
>stated to be implementation defined, stated to be undefined, or simply
>not mentioned?

This sounds a bit like what was once known as Burroughs Large Systems
(then Unisys A-Series and now Clearpath or something) architecture. It
had processes, not threads, but processes can be related and can share
data.  Every process has a stack, one stack can have a reference into
another stack, and unfortunately, that's about all I can remember at
the moment.

There are architecture reference manuals out there.  The data
reference I'm thinking of is called a Stuffed Indirect Reference Word,
which might give you some idea of what you're getting into.

Louis

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Question about inter-thread stack references Ivan Godard <ivan@ootbcomp.com> - 2015-01-15 23:54 -0800
  Re: Question about inter-thread stack references Louis Krupp <lkrupp@nospam.pssw.com.invalid> - 2015-01-16 22:28 -0700
    Re: Question about inter-thread stack references glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-01-17 18:46 +0000
  Re: Question about inter-thread stack references George Neuner <gneuner2@comcast.net> - 2015-01-18 01:58 -0500
    Re: Question about inter-thread stack references glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-01-18 21:47 +0000
      Re: Question about inter-thread stack references glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-01-18 23:24 +0000
  Re: Question about inter-thread stack references Stefan Monnier <monnier@iro.umontreal.ca> - 2015-01-18 08:35 -0500
  Re: Question about inter-thread stack references Kaz Kylheku <kaz@kylheku.com> - 2015-01-18 17:12 +0000
  Re: Question about inter-thread stack references Ivan Godard <ivan@ootbcomp.com> - 2015-01-18 12:49 -0800
  Re: Question about inter-thread stack references jgk@panix.com (Joe keane) - 2015-01-25 09:27 +0000
    Re: Question about inter-thread stack references Kaz Kylheku <kaz@kylheku.com> - 2015-01-25 18:46 +0000
      Re: Question about inter-thread stack references jgk@panix.com (Joe keane) - 2015-01-27 02:53 +0000

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