Re: Mailbox

allbery@kf8nh.apk.net
Mon, 5 Jul 1999 21:27:52 -0400 (EDT)

On 5 Jul, Albert D. Cahalan wrote:
+-----
| > Also findutils lists S_IFMPB and S_IFMPC as "V7" but you say "Coherent".
| > I'm also collecting a list -- could you tell me which is appropriate,
| > or is it both: "Coherent & V7".
|
| The Linux source code mentions them for the SysV filesystem driver.
| Coherent is like V7, so it makes sense that both would have these.
+--->8

They're the old V7 experimental multiplexed block and character
devices; not especially widely used, rather buggy by most reports, and
long since superseded by sockets and select(). I'm not sure we need to
care about them.

-- 
brandon s. allbery	[os/2][linux][solaris][japh]	 allbery@kf8nh.apk.net
system administrator	     [WAY too many hats]	   allbery@ece.cmu.edu
carnegie mellon / electrical and computer engineering			 KF8NH
     We are Linux. Resistance is an indication that you missed the point.




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