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Subject:	Re: rename() cannot replace the file which is opened with writable access
To:	cygwin AT cygwin DOT com
References:	<20170112 DOT 234135 DOT 194683198576068158 DOT trueroad AT trueroad DOT jp> <0D835E9B9CD07F40A48423F80D3B5A704BBD9592 AT USA7109MB022 DOT na DOT xerox DOT net> <20170112153619 DOT GD12383 AT calimero DOT vinschen DOT de>
From:	cyg Simple <cygsimple AT gmail DOT com>
Message-ID:	<67bfbc05-82e8-4f35-67fa-9673d929490d@gmail.com>
Date:	Thu, 12 Jan 2017 11:38:08 -0500
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On 1/12/2017 10:36 AM, Corinna Vinschen wrote:
> On Jan 12 15:30, Nellis, Kenneth (Conduent) wrote:
>> From: Masamichi Hosoda
>>> If I understand correctly,
>>> POSIX behavior should be able to replace the writable opened file by
>>> rename().
>>> But, It does not work on my Cygwin environment.
>>>
>>> Is it no problem if Cygwin's behavior is different from POSIX behavior?
>>> If so, we need different application handling for Cygwin and POSIX.
>>
>> I thought it would be informative to respond by referring the OP
>> to a section of the Cygwin User's Guide or FAQ that mentioned the
>> limitations of Cygwin, but I could not find it.
> 
> Needs debugging.  Off the top of my head I have no clue why this
> doesn't work.  I'm just not near any Windows machine ATM...

Possibly BLODA.  In the sample code provided, the rename is trying to
rename the open file to an existing filename that was recently (within
microseconds) created.

-- 
cyg Simple

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