Async pipes under SYS3,SYS5

[Toby Harness]

You can also think of FIFOs as a poor-man`s IPC (Inter-Process Communication).
That is, if you have two (or more!) processes that you would like to have
talk to one another and yet are not parent-child related, FIFOs are an
easy way (the only way in sys iii?) to go.  If necessay, you can synchronize
the processes that are to talk and listen via signals, say SIGUSR1 and SIGUSR2.

Toby Harness		Ogburn/Stouffer Center, University of Chicago
			...ihnp4!gargoyle!toby