[Python-3000] Py3k_struni additional test failures under cygwin (original) (raw)

Guido van Rossum guido at python.org
Tue Jul 31 21:58:23 CEST 2007

On 7/31/07, "Martin v. Löwis" <martin at v.loewis.de> wrote:

>> Is this also a restriction on CYGWIN? I don't know >> anything about CYGWIN but I could imagine that they allow unlink() to >> succeed when there's still a file descriptor referencing it, and that >> they will delete the file when you close it. > > Exactly. That is exactly what they do.

Not exactly; it's not possible with Win32 to do that. What they do instead is 1. try to delete the file. If that fails for sharing violation, try 2. 2. move the file to the recycle bin, and set the "delete" disposition flag on the file, this will cause it to be removed from the recycle bin when the last handle is closed.

I don't understand how that approach would cause the permission error when trying to create the same file later again. Unless (a) I don't understand the phrase "move it to the recycle bin" (is this a rename() call?), or (b) you're describing the new version that was submitted 2 days ago (but not yet released).

-- --Guido van Rossum (home page: http://www.python.org/~guido/)

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