[MPlayer-users] Problems playing .avi files
Arpi
arpi at thot.banki.hu
Mon Nov 5 19:44:40 CET 2001
Hi,
> > VirtualAlloc() does mmap() of /dev/zero. maybe permissions problem?
>
> Bingo! We have a winner! It never for one moment occurred to me to check
> for permissions on /dev/zero because I've never heard of anything writing
> to it. I'm guessing the mmap(/dev/zero) trick is to get a pre-zeroed
> chunk of memory?
afaik it's for allocating memory in physical memory address space.
(required, because win32 loader sets up segment descriptors to them...
emulating windows kernel not too easy :))
but i've seen many use of it, mainly in emulators (dosemu, lrmi).
A'rpi / Astral & ESP-team
--
mailto:arpi at thot.banki.hu
http://esp-team.scene.hu
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