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Last modification

• Rev 2310 – 6402 d 13 h
• Author: jermar

• Log message:

  Cleanup the waitq_wakeup() interface.
  Replace numeric constants (i.e. 0)
  and boolean constants (i.e. false) with
  more readable WAKEUP_FIRST. Also change the
  type of the second argument of waitq_wakeup()
  to a newly introduced type wakeup_mode_t.
  
  Fix behaviour of waitq_wakeup() in case
  that WAKEUP_ALL semantics is required
  but no threads are sleeping in the wait
  queue. This is a similar fix to that of
  Jan Hudecek committed in the RCU branch,
  but, IMHO, is more straightforward and
  also doesn't eat up previous missed
  wakeups.