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Contents
require 'concurrent/synchronization'
module Concurrent
# @!macro count_down_latch
# @!visibility private
# @!macro internal_implementation_note
class MutexCountDownLatch < Synchronization::LockableObject
# @!macro count_down_latch_method_initialize
def initialize(count = 1)
unless count.is_a?(Fixnum) && count >= 0
raise ArgumentError.new('count must be in integer greater than or equal zero')
end
super()
synchronize { ns_initialize count }
end
# @!macro count_down_latch_method_wait
def wait(timeout = nil)
synchronize { ns_wait_until(timeout) { @count == 0 } }
end
# @!macro count_down_latch_method_count_down
def count_down
synchronize do
@count -= 1 if @count > 0
ns_broadcast if @count == 0
end
end
# @!macro count_down_latch_method_count
def count
synchronize { @count }
end
protected
def ns_initialize(count)
@count = count
end
end
end
Version data entries
46 entries across 44 versions & 15 rubygems