UNIX semantics do permit full support for asynchronous I/O

[merriman at ccavax.camb.com]

In article <1990Aug29.170931.10853 at terminator.cc.umich.edu>, 
	rsc at merit.edu (Richard Conto) writes:

> 
> Make it simpler. Have a routine that requests an I/O operation. Another
> routine that can check it's status. A way of specifying a routine to be
> called when the I/O operation completes might be yet another option.

Sure sounds like VMS QIO calls.