cvs commit: src/usr.bin/vmstat vmstat.c src/usr.bin/w w.c

Poul-Henning Kamp phk at phk.freebsd.dk
Wed Oct 19 23:44:00 PDT 2005


In message <20051020131450.T99502 at delplex.bde.org>, Bruce Evans writes:
>On Tue, 18 Oct 2005, Poul-Henning Kamp wrote:

>Using CLOCK_MONOTONIC doesn't work because it it gives the system's idea
>of the time and doesn't try hard to keep in sync with the real time.
>In particular, it doesn't jump when the real time is stepped by
>settimeofday(2) or clock_settime(2).

Uhm, Bruce,

That is the exact reason why we have CLOCK_MONOTONIC: it doesn't jump.

With respect to leapseconds:  Whoever was responsible for POSIX's
decision should be forced to work as quality assurance inspector
in a factory which makes cuu-cuu clocks for the rest of their lives.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.


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