tags + upstream
thanks

Hi,

On Mon, Aug 10, 2009 at 11:30:34AM -0700, Josh Triplett wrote:
> Package: manpages
> Version: 3.22-1
> Severity: wishlist
> 
> Developers of real-time programs (programs using real-time scheduling
> and/or expecting low latency) sometimes see CLOCK_REALTIME and think
> they want to use that, when they almost certainly don't.  Please
> consider adding some clarification that the "real-time" of
> CLOCK_REALTIME refers to wall-clock time (as opposed to CPU or process
> time, for instance) and that developers of real-time applications want
> to use CLOCK_MONOTONIC.

Michael Kerrisk improved clock_getres.2 in manpages 3.40: 

 .B CLOCK_MONOTONIC
 Clock that cannot be set and represents monotonic time since
 some unspecified starting point.
+This clock is not affected by discontinuous jumps in the system time
+(e.g., if the system administrator manually changes the clock),
+but is affected by the incremental adjustments performed by
+.BR adjtime (2)
+and NTP.

Maybe one can add (please proofread my english):
"This clock allow to precisely measuring time elapsed, for use in real-time 
programs."

http://pubs.opengroup.org/onlinepubs/009604599/functions/clock_getres.html

-- 
Simon Paillard



-- 
To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org
with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org

Reply via email to