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From:	Fred_Smith AT computrition DOT com
To:	cygwin AT cygwin DOT com
Message-ID:	<85256CA3.0051407B.00@cinote.computrition.com>
Date:	Fri, 3 Jan 2003 10:02:07 -0500
Subject:	Re: cygwin Digest 2 Jan 2003 23:32:57 -0000 Issue 2457
Mime-Version:	1.0

>

> Message-ID: <20030102165207 DOT 34622 DOT qmail AT web14708 DOT mail DOT yahoo DOT com>
> Date: Thu, 2 Jan 2003 08:52:07 -0800 (PST)
> From: Robert Bercik <robertjbercik AT yahoo DOT com>
> Subject: lockf() or flock() support?
> To: cygwin AT cygwin DOT com
> MIME-Version: 1.0
> Content-Type: text/plain; charset=us-ascii
>
>

> I'm porting an application that uses lockf() to cygwin
> and it doesn't appear that either are supported on
> cygwin. If so i can't seem to find which library they
> are contained in. Anybody have any luck with either of
> these?
>
> thanks,
> -Rob
You could implement your own lockf() as a wrapper around fcntl(), assuming
that enough of fcntl() functionality actually exists (I did it once upon a
time for a really old LInux that didn't have lockf, and it actually worked!
however I don't own the code so I can't send it to you--it wasn't hard,
less than 100 lines of code, including whitespace and comments.)

I have no personal knowledge of the completeness of cygwin's fcntl() so
YMMV.

Good luck!

Fred






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