Re: Ada95 parallel and distributed processing

[pascal.obry@der.edfgdf.fr (Pascal Obry)]

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nasser@apldbio.com (Nasser Abbasi) wrote:


>This is not much different in this than say using C or C++ or
>any other language on top of a thread library usually part of the OS 
>to write threads-based code, except in Ada, tasks are 'build' into 
>the language, and this is much better way than having to call outside 
>libraries to create and interfaces between threads. Tasking in Ada 
>has been in it since Ada83, it is nothing new, but Ada95 added 
>improvemnts to the model like shared variables among others.

No shared variables were in Ada83. In this field the more important
change in Ada95 are the protected records that are an inexpansive
(not CPU consuming) way of synchronizing tasks that shares datas.

The other important change is the Distributed Annex that you point
out.

Pascal.


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