> > 1. timer_settime() and setitimer() both permit the caller to obtain
> > the old value of the timer when modifying an existing timer. Why
> > doesn't timerfd() provide this functionality?
>
> I don't know ;) Would it be any useful?
Well given that the two older APIs both provide this
functionality, it seems that it is desired in applications. It
is a shame that the new API doesn't have this. It could be
added (I'm inclined to say, it should be): the only problem
is that the syscall is now out in the wild, so a change at
this point would not be ABI compatible. However, it only just
got into the wild (and hasn't made it into glibc yet), so now
would be a good time to fix it, if you are agreeable, and the
kernel gatekeepers are prepared to tolerate the ABI change.
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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