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Re: Unreliable flock

From: Corinna Vinschen <corinna-cygwin at cygwin dot com>
To: cygwin at cygwin dot com
Date: Tue, 5 Apr 2016 10:32:58 +0200
Subject: Re: Unreliable flock
Authentication-results: sourceware.org; auth=none
References: <175808986 dot 20160403002257 at yandex dot ru> <20160404151644 dot GB29337 at calimero dot vinschen dot de> <59768064 dot 20160404195111 at yandex dot ru> <20160404190558 dot GB20943 at calimero dot vinschen dot de> <937095619 dot 20160405050847 at yandex dot ru>
Reply-to: cygwin at cygwin dot com

On Apr  5 05:08, Andrey Repin wrote:
> Greetings, Corinna Vinschen!
> 
> > I guess you read that
> > there's a way to use Windows mandatory locks, too.
> 
> Yes, if I compile my own program. But I'm not. I'm writing a shell script.
> And /usr/bin/flock fails to lock a file. Even though the man claims that it
> "uses an exclusive lock by default".

exclusive != mandatory

See, e.g, http://man7.org/linux/man-pages/man2/fcntl.2.html


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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References:
- Unreliable flock
  - From: Andrey Repin
- Re: Unreliable flock
  - From: Corinna Vinschen
- Re: Unreliable flock
  - From: Andrey Repin
- Re: Unreliable flock
  - From: Corinna Vinschen
- Re: Unreliable flock
  - From: Andrey Repin

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