unable to resize mmap object

From: Fabiano Sidler <fabianosidler@xxxxxxxxx>
Date: Sun, 30 Apr 2006 14:02:17 +0200

Hi folks!

I created an mmap object like so:
--- snip ---
from mmap import mmap,MAP_ANONYMOUS,MAP_PRIVATE
fl = file('/dev/zero','rw')
mm = mmap(fl.fileno(), 1, MAP_PRIVATE|MAP_ANONYMOUS)
--- snap ---

Now, when I try to resize mm to 10 byte
--- snip ---
mm.resize(10)
--- snap ---
I get an EnvironmentError:[Errno 22] Invalid argument.

How can I implement a resizeable anonymous memory mapping?
Thanks for your reply!

F. Sidler
.

Follow-Ups:
- Re: unable to resize mmap object
  - From: Serge Orlov

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