On Mon, Jul 9, 2012 at 8:24 PM, John Nagle <na...@animats.com> wrote:
> On 7/8/2012 2:52 PM, Christian Heimes wrote: > >> You are contradicting yourself. Either the OS is providing a fully >> atomic rename or it doesn't. All POSIX compatible OS provide an atomic >> rename functionality that renames the file atomically or fails without >> loosing the target side. On POSIX OS it doesn't matter if the target >> exists. >> > > Rename on some file system types (particularly NFS) may not be atomic. > Actually, ISTR that rename() is one of the few things on NFS that is atomic. http://bugs.python.org/issue8828
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