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Date:      Thu, 3 Oct 1996 13:18:09 +0900 (JST)
From:      Michael Hancock <michaelh@cet.co.jp>
To:        Terry Lambert <terry@lambert.org>
Cc:        FreeBSD Hackers <hackers@FreeBSD.org>
Subject:   Re: flock/sendmail stuffup
Message-ID:  <Pine.SV4.3.93.961003131442.13332C-100000@parkplace.cet.co.jp>
In-Reply-To: <199610011800.LAA02000@phaeton.artisoft.com>

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On Tue, 1 Oct 1996, Terry Lambert wrote:

> > flock also has better semantics.  I think fcntl() still releases all locks
> > when any one process closes the file.

To be more precise, locks shouldn't be released until last close().  With
fcntl()/posix locking semantics it does it the bogus way.

> I will have to check it.  If it does, it is in error.  Locks must be
> explicitly released, or there is an implied release on decrement of
> reference count from 1->0.  In other words, it's in the close() code,
> not the exit code that calls the close code.

Regards,


Mike Hancock




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