[LEAPSECS] An example

Poul-Henning Kamp phk at phk.freebsd.dk
Tue Nov 2 18:58:40 EDT 2010

In message <4CD07CB5.5090401 at bsdimp.com>, Warner Losh writes:

>A standards compliant system could also be off by 12us. The

>application programmer has no way of knowing that error and shouldn't

>rely on it being smaller than any specific amount.

Well, POSIX doesn't tell you a bound, any contemporary OS has
a way to communicate those statistics if they are known (typically
via Dave Mills' system call)

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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