| Commit message (Collapse) | Author | Age |
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Sleep() on Win32 rounds *down*, leading to truncated timeouts.
What we do is change our sleep routing to start incrementally
sleeping by 1ms until the tick count is reached. This ensures
we don't wake early.
This problem affects condition variables too, which means that some
timeouts may occur up to one clock tick early (15ish ms). This should
not be a problem for most users, who should really only be setting
timeouts in quantities of a second or greater.
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Test code needs to use the static libraries so that they can get access
to the entire set of symbols, including private ones that are not exported.
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Since we use the tick counter to sleep, we should use the same clock
for validation. The problem is that the high performance tick counter
on the CPU may be slightly out of agreement with the windows clock.
Furthermore, the tick counter is probably lots faster to retrieve since
it is already updated, and needn't be recalculated each time.
(We should consider just switching to millisecond clock resolution
internally as well. It turns out that I don't think that timers that
are shorter than 1ms are very useful.)
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