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From: Giorgos Keramidas <keramida@ceid.upatras.gr>
To: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
References: <75968.1221600374@critter.freebsd.dk>
Date: Wed, 17 Sep 2008 19:33:48 +0300
In-Reply-To: <75968.1221600374@critter.freebsd.dk> (Poul-Henning Kamp's
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Cc: arch@freebsd.org, Brooks Davis <brooks@freebsd.org>,
	John Hein <jhein@timing.com>
Subject: Re: 64 bit time_t
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On Tue, 16 Sep 2008 21:26:14 +0000, "Poul-Henning Kamp" <phk@phk.freebsd.dk> wrote:
>In message <20080916211646.GA35778@lor.one-eyed-alien.net>, Brooks Davis writes
>>On Tue, Sep 16, 2008 at 02:17:16PM -0600, John Hein wrote:
>>> Other than recompiling for -current users (and not being an MFC-able
>>> change and possibly breaking a gazillion unfortunately written ports),
>>> are their any other issues with switching to 64 bit time_t for i386?
>>> I suppose compat libs are a bit dicey.
>>
>> Off hand: every syscall that takes a time_t or a structure containing
>> a time_t would have to be reimplemented and a compatability
>> version[...]
>
> This is a pretty nasty piece of work because it also involves the
> timespec and timeval structures which appear in ioctls, socket
> options, socket messages and so on.

Wire-formats for network protocols are also going to be lots of fun too.
icmp4's and tcp4's timestamp options (and other wire-protocol formats)
use uint32_t.  Presumambly, by the time 32-bits are no longer enough
these wire-protools will be replaced by their more modern versions.