Re: language syntax for representing concurrency

Thomas Dejanovic <thomasd@cisco.com> writes:


> Anyway I'm having trouble comming up with a clear readable syntax
> to indicate concurrent processes. I do not want the system to
> start from a single main and spawn all the threads, I want it to
> start up with a number of treads executing concurrently and
> comunicating with each other. These threads need not even be on
> the same machine. however the code describing the threads or the
> calls which invoke them may in fact be in the same file.
>
> So does anyone have some neat ideas for representing such a
> concept _clearly_ in an OO way in a language ?


Check out uC++, a multithreaded extension to C++. Threads are
objects, and communicate via method calls. No messages and very
little need for explicit locks.


If you inherit from an object of type uTask (or something like that --
I haven't looked at it in years), whenever you instantiate an object
of your type it creates a new thread.


Their manual has a discussion of their design and the design space, as
they see it.


I think you can find info on it off
http://www.plg.uwaterloo.ca/


--
Blair MacIntyre (bm@cs.columbia.edu), Graduate Student (Graphics and UI Lab)


smail: Dept. of Computer Science, 1214 Amsterdam Ave, Mail Code 0401
              Columbia University, New York, NY 10027-7003
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