STINNER Victor <victor.stin...@haypocalc.com> added the comment:
@pitrou: Yes, as I wrote: it's not possible to write an atomic function for all
OS. The documentation must give a list of the OS on which the function is
atomic. Would you prefer to not define the function instead of writing a
pseudo-atomic function?
--
Java bug opened in 1996, closed with "Will Not Fix", last comment ("i am facing
similar issue...") in 2008:
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4017593
"How to do atomic writes in a file" in a MSDN blog:
http://blogs.msdn.com/b/adioltean/archive/2005/12/28/507866.aspx
Extract: "Sometimes shell operations like Delete, Rename can fail for various
reasons. For example, it might just happen that an antivirus or content
indexing application randomly scans the whole file system once in a while. So,
potentially, the file Foo.Tmp.txt will be opened for a short period which will
cause ... failed delete. And, not only that, but also Rename can fail if the
old file already exists, and someone has an open handle on it."
To avoid that "antivirus or content indexing application" open the file, we may
need to use a lock on the files.
----------
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<http://bugs.python.org/issue8828>
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