| Date | Wed, 2 Feb 2011 10:19:00 +0100 | From | Richard Cochran <> | Subject | Re: [patch 27/28] posix-timers: Add support for fd based clocks |
| |
On Tue, Feb 01, 2011 at 01:52:32PM -0000, Thomas Gleixner wrote: > --- linux-2.6-tip.orig/include/linux/posix-timers.h > +++ linux-2.6-tip/include/linux/posix-timers.h
> +/* > + * Bit fields within a clockid: > + * > + * The most significant 29 bits hold either a pid or a file descriptor. > + * > + * Bit 2 indicates whether a cpu clock refers to a thread or a process. > + * > + * Bits 1 and 0 give the type: PROF=0, VIRT=1, SCHED=2, or FD=3. > + * > + * A clockid is invalid if bits 2, 1, and 0 all set.
I should have said, "if bits 2, 1, and 0 *are* all set."
Thanks, Richard
|