class ActiveRecord::ConnectionAdapters::ConnectionPool::Queue
def initialize(lock = Monitor.new)
def initialize(lock = Monitor.new) @lock = lock @cond = @lock.new_cond @num_waiting = 0 @queue = [] end
def initialize(lock = Monitor.new) @lock = lock @cond = @lock.new_cond @num_waiting = 0 @queue = [] end