Re: [Xen-devel] [PATCH] libxc portability fixes

[Vincent Hanquez <vincent@xxxxxxxxxxxxx>]

On Wed, Sep 19, 2007 at 05:04:35PM +0200, Christoph Egger wrote:
> > solaris has deprecated MAP_ANON as well.
> 
> Oh, SystemV Unix has MAP_ANONYMOUS?
> BSD-Unix only has MAP_ANON.

I've no idea, but I imagine this was deprecated for a reason on 2
very different systems. and looks like HP-UX only has MAP_ANONYMOUS.

some random google searching:
http://www.winehq.org/pipermail/wine-devel/2004-December/031636.html

classic unix mess i'ld say :(

> My linux mmap manpage says:
> ---------------------------
>        MAP_ANONYMOUS
>               The  mapping  is not backed by any file; the fd and offset argu-
>               ments are ignored.  The use of this  flag  in  conjunction  with
>               MAP_SHARED is only supported on Linux since kernel 2.4.
> 
>        MAP_ANON
>               Alias for MAP_ANONYMOUS.  Deprecated.
> ---------------------------

Yes, not good indeed.
The text i've pasted come from my linux debian manpage.
you could file a bug to your distro to upgrade the manpages ;)

Cheers,
-- 
Vincent Hanquez

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