Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!auspex!guy
From: guy@auspex.auspex.com (Guy Harris)
Newsgroups: comp.unix.programmer
Subject: Re: Determining if an existant file is open
Message-ID: <4454@auspex.auspex.com>
Date: 19 Nov 90 19:53:44 GMT
References: <1990Nov16.023110.1305@csun.edu> <1990Nov16.200945.14468@nusdecs.uucp>
Organization: Auspex Systems, Santa Clara
Lines: 5

>Use the exclusive flag when calling open(2) -- must be done every time.

You mean O_EXCL?  That flag isn't an exclusive-use open flag; it's an
"exclusive create" flag.  It only causes an error if O_CREAT is also set
and the file already exists.