[Pkg-octave-devel] Bug#550823: Updating load-path cache based on modification times probably a bad idea (was: Race condition between Octave 3.2.3 and unlink())

Judd Storrs storrsjm at email.uc.edu
Wed Oct 21 15:49:44 UTC 2009

I'm still looking to see if there's a generic way to determine the
file-system time resolution. I have seen stated multiple places that
FAT/FAT32 is limited to a time resolution of 2 seconds. For example
http://docs.python.org/library/os.html#os.stat says:


The exact meaning and resolution of the st_atime, st_mtime, and
st_ctimemembers depends on the operating system and the file system.
For example, on
Windows systems using the FAT or FAT32 file systems, st_mtime has 2-second
resolution, and st_atime has only 1-day resolution. See your operating
system documentation for details.

I'm not sure about the "on Windows" part--whether they mean that for example
linux provides 1sec emulation for FAT drives? I haven't found any support
for that yet. Because removable media often uses FAT, perhaps the default
should be 2 sec?

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