Luca Olivetti schrieb:
Al 02/11/11 09:31, En/na Mark Morgan Lloyd ha escrit:

But even in this case, what should happen if the user (or NTP) explicitly 
changes the system clock? Ultimately, what matters for relative timing is 
ticks-since-boot.

From the link posted before:

http://www.kernel.org/doc/man-pages/online/pages/man2/clock_gettime.2.html


CLOCK_MONOTONIC_RAW (since Linux 2.6.28; Linux-specific)
     Similar to CLOCK_MONOTONIC, but provides access to a raw hardware-based
     time that is not subject to NTP adjustments.

Did you also notice this:
>>
More clocks may be implemented. The interpretation of the corresponding time values and the effect on timers is unspecified.
<<

DoDi

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