tor/cbt_hi_res at 5d147d8527da3c8cff7f5ab5f0d0185d51fff79b - tor - Git with a cup of Datura seeds

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Nick Mathewson aa950e6c48 Use timevals, not time_t, when expiring circuits.

We've got millisecond timers now, we might as well use them.

This change won't actually make circuits get expiered with microsecond
precision, since we only call the expiry functions once per second.
Still, it should avoid the situation where we have a circuit get
expired too early because of rounding.

A couple of the expiry functions now call tor_gettimeofday: this
should be cheap since we're only doing it once per second.  If it gets
to be called more often, though, we should onsider having the current
time be an argument again.

2011-03-30 14:41:41 -04:00

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   o Minor features
     - When expiring circuits, use microsecond timers rather than one-second
       timers.  This can avoid an unpleasant situation where a circuit is
       launched near the end of one second and expired right near the
       beginning of the next, and prevent fluctuations in circuit timeout
       values.