Makes a condition-variable.
The function make-condition-variable
makes a condition-variable for use with condition-variable-wait, condition-variable-signal and condition-variable-broadcast.
name is used when printing the condition-variable, and is useful for debugging. If name is omitted, then a default name is generated that is unique among all such default names.
condition-variable
condition-variable-wait
condition-variable-signal
condition-variable-broadcast
Condition variables
LispWorks User Guide and Reference Manual - 20 Sep 2017