Re: High UID support for Linux
david parsons (o.r.c@p.e.l.l.p.o.r.t.l.a.n.d.o.r.u.s)
24 Nov 1998 10:59:10 -0800
In article <linux.kernel.199811232048.PAA24888@dcl.mit.edu>,
Theodore Y. Ts'o <tytso@mit.edu> wrote:
>
> Your real problems will be system calls. There isn't enough space in
> some of the structs. Sign extension and trunctuation will cause great
> trouble.
>
>The system call problem is easy; we simply create new system calls that
>return new structures, and let glibc handle the problem of deciding
>whether or not the new system calls are present. The structure which
>glibc exports to the user applications fortunately already supports
>32-bit uid's.
>
>The only problem them would be for people using libc5 or a.out
>libraries. They would simply not be able to take advantage of > 16bit
>uids on their system.
Unless, of course, they rewrite libc to take advantage of these new
system calls.
____
david parsons \bi/ Though it won't be libc 4.8.0 when I do that...
\/
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