Andrew,
I'm working on the changes to timerfd(), but must admit I am struggling to
understand some of the kernel code for working with userspace timers (e.g.,
in kernel/posix-timers.c). Can you suggest anyone who could provide
assistance?
Cheers,
Michael
Andrew Morton wrote:
> On Wed, 25 Jul 2007 20:18:51 +0200
> Michael Kerrisk <[email protected]> wrote:
>
>> Andrew,
>>
>> Andrew Morton wrote:
>>> On Mon, 23 Jul 2007 08:32:29 +0200 Michael Kerrisk <[email protected]> wrote:
>>>
>>>> Andrew,
>>>>
>>>> The timerfd() syscall went into 2.6.22. While writing the man page for
>>>> this syscall I've found some notable limitations of the interface, and I am
>>>> wondering whether you and Linus would consider having this interface fixed
>>>> for 2.6.23.
>>>>
>>>> On the one hand, these fixes would be an ABI change, which is of course
>>>> bad. (However, as noted below, you have already accepted one of the ABI
>>>> changes that I suggested into -mm, after Davide submitted a patch.)
>>>>
>>>> On the other hand, the interface has not yet made its way into a glibc
>>>> release, and the change will not break applications. (The 2.6.22 version
>>>> of the interface would just be "broken".)
>>> I think if the need is sufficient we can do this: fix it in 2.6.23 and in
>>> 2.6.22.x. That means that there will be a few broken-on-new-glibc kernels
>>> out in the wild, but very few I suspect.
>> So I'm still not quite clear. Can I take it from your statement above that
>> the proposed ABI changes would be admissible, as long as Davide is okay
>> with them?
>>
>
> yup, I'll send that diff into Linus and -stable and see what happens.
>
--
Michael Kerrisk
maintainer of Linux man pages Sections 2, 3, 4, 5, and 7
Want to help with man page maintenance? Grab the latest tarball at
http://www.kernel.org/pub/linux/docs/manpages/
read the HOWTOHELP file and grep the source files for 'FIXME'.
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