bug? mmap doesn't like 0-length files

[Neal Becker]

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.

 

[Nobody]

I don't see anything in linux man-page about the underlying C mmap function
not accepting 0-length files.

My mmap(2) manpage says:

ERRORS
...
EINVAL (since Linux 2.6.12) length was 0.