David Härdeman wrote:
> On Tue, September 18, 2007 13:30, Thomas Gleixner wrote:
>>>> timer_gettime(fd | POSIX_TIMER_FD, .....);
>> If we use the most significant bit for POSIX_TIMER_FD, we should be
>> fine.
>
> I think alternative b) - three new syscalls, sounds better.
>
> The only negatives so far are that it adds more syscalls and that it might
> require code duplication with posix timers. The syscall numbers argument
> seemed not to be very important and the code duplication should be fixable
> by refactoring the code so that more is shared between the two systems (I
> assume).
Yes, I'm inclined to agree with you on both points.
> Overloading file descriptors with flags looks ugly, is there any other
> syscall which does that?
AFAIK there is no other syscall that does that. I agree that it's not very
pretty.
Cheers,
Michael
--
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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