[tahoe-lafs-trac-stream] [Tahoe-LAFS] #2435: drop-upload on Windows: what is the default sharing mode of a file opened by _open/_wopen/fopen? (was: drop-uploader remote-filesystem sync windows compatiblity open for sharing test)

[Tahoe-LAFS]

#2435: drop-upload on Windows: what is the default sharing mode of a file opened
by _open/_wopen/fopen?
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     Reporter:  dawuud                      |      Owner:  daira
         Type:  defect                      |     Status:  new
     Priority:  normal                      |  Milestone:  undecided
    Component:  code-frontend-magic-folder  |    Version:  1.10.0
   Resolution:                              |   Keywords:  windows drop-
Launchpad Bug:                              |  upload
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Changes (by daira):

 * keywords:   => windows drop-upload
 * component:  unknown => code-frontend-magic-folder


Old description:

> on Windows, what is the default sharing of a file opened for
> writing by _open/_wopen?

New description:

 On Windows, what is the default sharing mode of a file opened by
 [https://msdn.microsoft.com/en-us/library/z0kc8e3z.aspx _open/_wopen], and
 how does it depend on the `oflag` argument? What is it for `fopen`?

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Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2435#comment:1>
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