On 22Nov2010 20:33, Neal Becker <ndbeck...@gmail.com> wrote: | mmap.mmap (f.fileno(), 0, prot=mmap.PROT_READ) | error: [Errno 22] Invalid argument | | According to http://docs.python.org/library/mmap.html, mmap on _windows_ | doesn't accept 0-length file. But this was tested on linux. Is this a bug? | | I don't see anything in linux man-page about the underlying C mmap function | not accepting 0-length files.
On a local Gentoo Linux box mmap(2) says in the ERRORS section: EINVAL We don't like addr, length, or offset (e.g., they are too large, or not aligned on a page boundary). EINVAL (since Linux 2.6.12) length was 0. EINVAL flags contained neither MAP_PRIVATE or MAP_SHARED, or contained both of these values. Sure looks like a length of 0 is disliked. Cheers, -- Cameron Simpson <c...@zip.com.au> DoD#743 http://www.cskk.ezoshosting.com/cs/ Carpe Daemon - Seize the Background Process - Paul Tomblin <ab...@freenet2.carleton.ca> -- http://mail.python.org/mailman/listinfo/python-list