lib/celluloid/internals/signals.rb
module Celluloid
module Internals
# Event signaling between methods of the same object
class Signals
def initialize
@conditions = {}
end
# Wait for the given signal and return the associated value
def wait(name)
raise "cannot wait for signals while exclusive" if Celluloid.exclusive?
@conditions[name] ||= Condition.new
@conditions[name].wait
end
# Send a signal to all method calls waiting for the given name
def broadcast(name, value = nil)
condition = @conditions.delete(name)
condition.broadcast(value) if condition
end
end
end
end