class Concurrent::MutexCountDownLatch

@!macro internal_implementation_note
@!visibility private
@!macro count_down_latch

def count

@!macro count_down_latch_method_count 
def count
  synchronize { @count }
end

def count_down

@!macro count_down_latch_method_count_down 
def count_down
  synchronize do
    @count -= 1 if @count > 0
    ns_broadcast if @count == 0
  end
end

def initialize(count = 1)

@!macro count_down_latch_method_initialize 
def initialize(count = 1)
  Utility::NativeInteger.ensure_integer_and_bounds count
  Utility::NativeInteger.ensure_positive count
  super()
  synchronize { ns_initialize count }
end

def ns_initialize(count) 

def ns_initialize(count)
  @count = count
end

def wait(timeout = nil)

@!macro count_down_latch_method_wait 
def wait(timeout = nil)
  synchronize { ns_wait_until(timeout) { @count == 0 } }
end