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|
#-- vim:sw=2:et
#++
#
# :title: ruby 1.9 compatibility (monkey)patches
require 'timeout'
require "thread"
class ConditionVariable
def wait(mutex, timeout=nil)
begin
# TODO: mutex should not be used
@waiters_mutex.synchronize do
@waiters.push(Thread.current)
end
if timeout
elapsed = mutex.sleep timeout if timeout > 0.0
unless timeout > 0.0 and elapsed < timeout
t = @waiters_mutex.synchronize { @waiters.delete Thread.current }
signal unless t # if we got notified, pass it along
raise TimeoutError, "wait timed out"
end
else
mutex.sleep
end
end
nil
end
end
require 'monitor'
module MonitorMixin
class ConditionVariable
def wait(timeout = nil)
#if timeout
# raise NotImplementedError, "timeout is not implemented yet"
#end
@monitor.__send__(:mon_check_owner)
count = @monitor.__send__(:mon_exit_for_cond)
begin
@cond.wait(@monitor.instance_variable_get("@mon_mutex"), timeout)
return true
rescue TimeoutError
return false
ensure
@monitor.__send__(:mon_enter_for_cond, count)
end
end
def signal
@monitor.__send__(:mon_check_owner)
@cond.signal
end
def broadcast
@monitor.__send__(:mon_check_owner)
@cond.broadcast
end
end # ConditionVariable
def self.extend_object(obj)
super(obj)
obj.__send__(:mon_initialize)
end
end # MonitorMixin
|
