diff options
author | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-08-15 20:57:30 +0000 |
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committer | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-08-15 20:57:30 +0000 |
commit | 54ec1c4fe81672ca66f327ef6ae170f458cd79e5 (patch) | |
tree | 45a752c60a9a08d681a792b70f43c89903b638a2 /ruby_1_8_5/lib/mutex_m.rb | |
parent | d464704f111d211c1f1ff9ef23ef1d755054be00 (diff) |
sorry. I made wrong tags.v1_8_5_54
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_5_54@13009 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ruby_1_8_5/lib/mutex_m.rb')
-rw-r--r-- | ruby_1_8_5/lib/mutex_m.rb | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/ruby_1_8_5/lib/mutex_m.rb b/ruby_1_8_5/lib/mutex_m.rb deleted file mode 100644 index 8e0d42bc8d..0000000000 --- a/ruby_1_8_5/lib/mutex_m.rb +++ /dev/null @@ -1,122 +0,0 @@ -#-- -# mutex_m.rb - -# $Release Version: 3.0$ -# $Revision: 1.7 $ -# $Date: 1998/02/27 04:28:57 $ -# Original from mutex.rb -# by Keiju ISHITSUKA(keiju@ishitsuka.com) -# modified by matz -# patched by akira yamada -#++ -# -# == Usage -# -# Extend an object and use it like a Mutex object: -# -# require "mutex_m.rb" -# obj = Object.new -# obj.extend Mutex_m -# # ... -# -# Or, include Mutex_m in a class to have its instances behave like a Mutex -# object: -# -# class Foo -# include Mutex_m -# # ... -# end -# -# obj = Foo.new - -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(class<<self;self;end) - end - mu_initialize - end - - # locking - def mu_synchronize - begin - mu_lock - yield - ensure - mu_unlock - end - end - - def mu_locked? - @mu_locked - end - - def mu_try_lock - result = false - Thread.critical = true - unless @mu_locked - @mu_locked = true - result = true - end - Thread.critical = false - result - end - - def mu_lock - while (Thread.critical = true; @mu_locked) - @mu_waiting.push Thread.current - Thread.stop - end - @mu_locked = true - Thread.critical = false - self - end - - def mu_unlock - return unless @mu_locked - Thread.critical = true - wait = @mu_waiting - @mu_waiting = [] - @mu_locked = false - Thread.critical = false - for w in wait - w.run - end - self - end - - private - - def mu_initialize - @mu_waiting = [] - @mu_locked = false; - end - - def initialize(*args) - mu_initialize - super - end -end |