Date: Mon, 2 Sep 2002 14:31:48 -0700 (PDT) From: Matthew Dillon <dillon@apollo.backplane.com> To: Peter Wemm <peter@wemm.org> Cc: hackers@FreeBSD.ORG Subject: Re: 64 bit API/ABI changes proposal for -current Message-ID: <200209022131.g82LVm1Y033888@apollo.backplane.com> References: <20020902195229.87E272A88D@canning.wemm.org>
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My original proposal, before this one, was to create a separate
ABI for all the new calls, which also means creating a duplicate
set of libraries. I'm still game to do that -- it could be controlled
by a make.conf variable and selectable via a compiler option.
If we maintain timeval and timespec (except for the 64 bit time_t)
then we have full portability.
The only real work required inside the kernel is to make the kernel
internal time representation 64 bits unconditionally, which is not
a big deal, and to implement the syscall abstraction that was
proposed in the "stack gap" thread by Ian Dowse. Then the ABI
works becomes far easier. This work is mostly just rearranging
existing code a little, not implementing new algorithms, and I
don't see how it could possibly break -current.
-Matt
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