Re: [RFC] SysV SHM on 64-bit platforms

From: Robert Watson <rwatson_at_FreeBSD.org>
Date: Sat, 19 Jan 2008 15:42:41 +0000 (GMT)
On Sat, 19 Jan 2008, Alfred Perlstein wrote:

>> FYI, fixing ipc_perm is a lot more complicated and very intrusive.
>
> Why does ipc_perm need fixing?

It is desparately broken due to using 16-bit types for uids and gids.  Fixing 
it really tears up the ABI, unfortunately, and requires quite a bit of compat 
code writing.  When there, there are some other types in ipc_perm that would 
also like to be fixed.

Robert N M Watson
Computer Laboratory
University of Cambridge
Received on Sat Jan 19 2008 - 14:42:42 UTC

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