On 2018-02-01, at 19:11:07, Paul Raulerson wrote:
> 
> Huh - may not know what I am talking about here, but any C program on a *nix 
> variant, like AIX, can open and handle as many pipes as you want. 
> STDIN/STDOUT is
> just one set,
> 
Yes. 

> and you can reopen them as many times as you want. 
>  
I believe not.  Once a descriptor is closed it's gone.  But you can
dup() the descriptor (fork() does that automatically) before close
and open the duplicate.

You can use duplicate descriptors for the effect of FANINANY.

> Timing is usually done with signal and/or semaphores - or better yet with 
> message 
> queues. :) 

-- gil

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