# # mutex_m.rb - # $Release Version: 3.0$ # $Revision: 1.7 $ # Original from mutex.rb # by Keiju ISHITSUKA(keiju@ishitsuka.com) # modified by matz # patched by akira yamada # # -- # Usage: # require "mutex_m.rb" # obj = Object.new # obj.extend Mutex_m # ... # extended object can be handled like Mutex # or # class Foo # include Mutex_m # ... # end # obj = Foo.new # this obj can be handled like Mutex # require 'thread' module Mutex_m def Mutex_m.define_aliases(cl) cl.module_eval %q{ alias locked? mu_locked? alias lock mu_lock alias unlock mu_unlock alias try_lock mu_try_lock alias synchronize mu_synchronize } end def Mutex_m.append_features(cl) super define_aliases(cl) unless cl.instance_of?(Module) end def Mutex_m.extend_object(obj) super obj.mu_extended end def mu_extended unless (defined? locked? and defined? lock and defined? unlock and defined? try_lock and defined? synchronize) Mutex_m.define_aliases(singleton_class) end mu_initialize end # locking def mu_synchronize(&block) @_mutex.synchronize(&block) end def mu_locked? @_mutex.locked? end def mu_try_lock @_mutex.try_lock end def mu_lock @_mutex.lock end def mu_unlock @_mutex.unlock end def sleep(timeout = nil) @_mutex.sleep(timeout) end private def mu_initialize @_mutex = Mutex.new end def initialize(*args) mu_initialize super end end