Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!apple!mips!zaphod.mps.ohio-state.edu!rpi!uupsi!rice!sun-spots-request
From: richard%aiai.edinburgh.ac.uk@nsfnet-relay.ac.uk (Richard Tobin)
Newsgroups: comp.sys.sun
Subject: mail locking
Keywords: Miscellaneous
Message-ID: <6496@brazos.Rice.edu>
Date: 6 Apr 90 13:50:12 GMT
Sender: news@rice.edu
Organization: Sun-Spots
Lines: 9
Approved: Sun-Spots@rice.edu
X-Sun-Spots-Digest: Volume 9, Issue 116, message 6

Can someone tell me what locking mechanisms are used by /bin/mail and
/usr/ucb/mail under SunOS 3.x and 4.0.x (e.g. flock(), lockf(), lockfile
in /usr/spool/mail) ?

-- Richard

Richard Tobin,                       JANET: R.Tobin@uk.ac.ed             
AI Applications Institute,           ARPA:  R.Tobin%uk.ac.ed@nsfnet-relay.ac.uk
Edinburgh University.                UUCP:  ...!ukc!ed.ac.uk!R.Tobin