Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10 5/3/83; site utcsrgv.UUCP
Path: utzoo!utcsrgv!mason
From: mason@utcsrgv.UUCP (Dave Mason)
Newsgroups: net.unix-wizards
Subject: re:pipes and atomic writes
Message-ID: <2942@utcsrgv.UUCP>
Date: Fri, 16-Dec-83 10:20:09 EST
Article-I.D.: utcsrgv.2942
Posted: Fri Dec 16 10:20:09 1983
Date-Received: Fri, 16-Dec-83 10:35:57 EST
References: <14541@sri-arpa.UUCP>
Organization: University of Toronto/Ryerson Polytechnic Institute
Lines: 8

>	According to pipe(2) 'writes with count <4097 are atomic..'...
What happens if they cross a page boundary and the new page is not currently
resident on 4.2?  Will it still be atomic?  Seems difficult to me unless they
specifically check & force pages resident before starting the copy.
-- 
 -- Dave Mason, U. Toronto CSRG,
	{utzoo,linus,cornell,watmath,ihnp4,allegra,floyd,decwrl,
	 decvax,uw-beaver,ubc-vision}!utcsrgv!mason