[LEAPSECS] Coding this week, and a trick for timeouts over leap seconds.

Zefram zefram at fysh.org
Sun Oct 2 08:54:36 EDT 2011

Hal Murray wrote:

> run a program to tell the kernel leap-tonight

$ /sbin/adjtimex -S 17 # STA_PLL|STA_INS

> run a program to tell the kernel no-leap

$ /sbin/adjtimex -S 65 # STA_PLL|STA_UNSYNC

This, together with some clock stepping so that I didn't need to wait
for actual midnight, was how I tested my clock display program for
leap seconds. The STA_ constants come from /usr/include/sys/timex.h.


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