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Re: Windows XP "Access denied" svn_io_rename

From: Branko Čibej <brane_at_xbc.nu>
Date: 2003-10-27 22:49:11 CET

James Van Artsdalen wrote:

>>Date: Mon, 27 Oct 2003 18:53:25 +0100
>>From: =?UTF-8?B?QnJhbmtvIMSMaWJlag==?= <brane@xbc.nu>
>>>The issue isn't atomicity but rather the Win32 API guarantee that a
>>>file cannot be renamed or deleted while open.
>>Win32 makes no such guarantee. A file _can_ be renamed or deleted while
>>open, it just won't disappear from the directory listing until the last
>>handle is closed. It would be amazingly simple to implement this if only
>>Win32 offered a rename-through-handle function...
>I tried this using Win32 calls, and if one process has a file open
>a different process can neither rename nor delete it.
>The operation fails and is not deferred (under XP anyway).
FILE_SHARE_DELETE is your friend. By the way, I'm suggesting that the
_same_ proces opens and then renames the file before closing it. Should
be doable with Win32 calls, at least on NT-class systems. Win9x probably
wouldn't work.

Brane Čibej   <brane_at_xbc.nu>   http://www.xbc.nu/brane/
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Received on Mon Oct 27 22:52:44 2003

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