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From: Alexander Terekhov (terekhov_at_[hidden])
Date: 2004-08-09 16:30:03

Howard Hinnant wrote:
> The alternative in this link looks very familiar. I'm currently using
> two condition variables, ...

POSIX condition variables strive for "wait-morphing". So you'll end up
with "serial wakes" (quite a waste on, say, 32-way box). The problem
is that waiters must reacquire the mutex. tail_* stuff is supposed to
NOT have this requirement (it's meant to use the associated mutex for
waiters queue "protection"... a la Java monitors, in a way). Well,
take also a look at:


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