any tricks to make SHELL non blocking?

Richard Gaskin ambassador at
Sat Feb 3 17:31:41 EST 2018

Paul Dupuis wrote:

 > FYI we found that interapp communication via sockets is more reliable
 > cross-platform that via interprocess communication, but at some real
 > world customer sites, security setting can prohibit socket
 > communication even to the same computer where as IPC still works, so
 > an app that need to be really really robust for real world installs
 > may wish to include code for both and swap from one to the other if
 > one means of communication fails.

If everyone would just get over themselves and start using Linux we 
could all enjoy named pipes. :)

But seriously, do you have a list of circumstances that prevent sockets 
on loopback?

Personally, I'm inclined to consider it a bug if any software prevents 
IPC via loopback sockets, but there may be a good reason worth learning. 
  And even if the reasoning turns out not to be good, it's useful to 
know about limitations imposed on otherwise-reliable mechanisms.

  Richard Gaskin
  Fourth World Systems
  Software Design and Development for the Desktop, Mobile, and the Web
  Ambassador at      

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