Path: utzoo!attcan!uunet!dino!ux1.cso.uiuc.edu!iuvax!maytag!gamiddle
From: gamiddle@maytag.waterloo.edu (Guy Middleton)
Newsgroups: comp.unix.wizards
Subject: how will BSD semaphores work withough atomic test-and-set?
Message-ID: <1990Jul11.154541.17682@maytag.waterloo.edu>
Date: 11 Jul 90 15:45:41 GMT
Organization: University of Waterloo Software Commando Squad
Lines: 4

I remember hearing about Berkeley's new semaphore scheme, which depends upon
shared memory, and using an atomic test-and-set instruction to avoid making
syscalls.  Does anybody know how (or if) this will be modified to work on
machines without such instructions?