Locks, applies a setup function, calls condition-variable-signal and unlocks.
The function
lock-and-condition-variable-signal
locks the lock
lock
, applies the
setup-function
, calls condition-variable-signal and unlocks.
lock-and-condition-variable-signal
makes it easier to avoid mistakes in using a condition variable.
lock-and-condition-variable-signal
performs the equivalent of:
(mp:with-lock (lock nil lock-timeout )
(apply setup-function args )
(mp:condition-variable-signal condvar ))
It returns the result of the call to condition-variable-signal.
See condition-variable-signal and with-lock for more details.
setup-function is called with the lock held, so it should do the minimum amount of work and avoid locking other locks. Normally setup-function should only set the cell that the process(es) that wait(s) on the condition variable condvar check with the predicate in lock-and-condition-variable-wait.
lock-and-condition-variable-waitsimple-lock-and-condition-variable-wait
lock-and-condition-variable-broadcast
condition-variable-wait
condition-variable-signal
condition-variable-broadcast
LispWorks User Guide and Reference Manual - 21 Dec 2011