Path: utzoo!attcan!uunet!crdgw1!crdos1!davidsen
From: davidsen@crdos1.crd.ge.COM (Wm E Davidsen Jr)
Newsgroups: comp.arch
Subject: Re: Asynchronous I/O on micros
Message-ID: <3189@crdos1.crd.ge.COM>
Date: 11 Feb 91 16:53:32 GMT
References: <3175@crdos1.crd.ge.COM> <13632@lanl.gov> <63703@brunix.UUCP> <1991Feb7.004530.29359@alzabo.ocunix.on.ca> <1991Feb11.091551.22202@eecs.wsu.edu>
Reply-To: davidsen@crdos1.crd.ge.com (bill davidsen)
Organization: GE Corp R&D Center, Schenectady NY
Lines: 14

In article <1991Feb11.091551.22202@eecs.wsu.edu> pcooper@yoda.UUCP (Phil Cooper - CS495) writes:

|              I would guess that it would be fairly easy to implement such
| abilities on any micro which has true (preemptive) multi-tasking.  Just
| spawn a new task to do the disk I/O (while the parent continues running) and
| signal when it is done.  

  That's how the later versions of bundle and iobuf work, using shared
memory buffers and semiphores. Posted months ago to the moribund
comp.source.unix group.
-- 
bill davidsen	(davidsen@crdos1.crd.GE.COM -or- uunet!crdgw1!crdos1!davidsen)
  "I'll come home in one of two ways, the big parade or in a body bag.
   I prefer the former but I'll take the latter" -Sgt Marco Rodrigez


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