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* lib/delegate.rb: catch up with class local variable (@_v) spec.

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* lib/singleton.rb: ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@11742 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ko1 2007-02-14 16:50:16 +00:00
parent fdf4aa982f
commit 970df0d138
4 changed files with 29 additions and 23 deletions
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24
lib/singleton.rb
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@ -39,7 +39,7 @@
# method body is a simple:
#
# def Klass.instance()
# return @__instance__
# return @singleton__instance__
# end
#
# * Klass._load(str) - calling Klass.instance()
@ -101,16 +101,16 @@ module Singleton
class << Singleton
def __init__(klass)
klass.instance_eval {
@__instance__ = nil
@__mutex__ = Mutex.new
@singleton__instance__ = nil
@singleton__mutex__ = Mutex.new
}
def klass.instance
return @__instance__ if @__instance__
@__mutex__.synchronize {
return @__instance__ if @__instance__
@__instance__ = new()
return @singleton__instance__ if @singleton__instance__
@singleton__mutex__.synchronize {
return @singleton__instance__ if @singleton__instance__
@singleton__instance__ = new()
}
@__instance__
@singleton__instance__
end
klass
end
@ -177,13 +177,13 @@ end
class << Ups
def _instantiate?
@enter.push Thread.current[:i]
while false.equal?(@__instance__)
@__mutex__.unlock
while false.equal?(@singleton__instance__)
@singleton__mutex__.unlock
sleep 0.08
@__mutex__.lock
@singleton__mutex__.lock
end
@leave.push Thread.current[:i]
@__instance__
@singleton__instance__
end
def __sleep