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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/v1_1r@24 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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matz 1998-01-19 05:09:38 +00:00
parent 5c47ddf9e7
commit 4da995929d
1 changed files with 23 additions and 20 deletions
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43
lib/finalize.rb
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@ -1,8 +1,8 @@
# #
# finalizer.rb - # finalizer.rb -
# $Release Version: 0.2$ # $Release Version: 0.2$
# $Revision: 1.1.1.2.2.1 $ # $Revision: 1.1.1.2.2.2 $
# $Date: 1998/01/16 12:36:04 $ # $Date: 1998/01/19 05:08:24 $
# by Keiju ISHITSUKA # by Keiju ISHITSUKA
# #
# -- # --
@ -44,11 +44,11 @@
# #
module Finalizer module Finalizer
RCS_ID='-$Header: /home/cvsroot/ruby/lib/finalize.rb,v 1.1.1.2.2.1 1998/01/16 12:36:04 matz Exp $-' RCS_ID='-$Header: /home/cvsroot/ruby/lib/finalize.rb,v 1.1.1.2.2.2 1998/01/19 05:08:24 matz Exp $-'
# Dependency: {id => [[dependant, method, opt], ...], ...} # Dependency: {id => [[dependant, method, opt], ...], ...}
Dependency = {} Dependency = {}
# 依存関係 R_method(obj, dependant) の追加 # 依存関係 R_method(obj, dependant) の追加
def add_dependency(obj, dependant, method = :finalize, *opt) def add_dependency(obj, dependant, method = :finalize, *opt)
ObjectSpace.call_finalizer(obj) ObjectSpace.call_finalizer(obj)
@ -60,7 +60,7 @@ module Finalizer
end end
end end
alias add add_dependency alias add add_dependency
# 依存関係 R_method(obj, dependant) の削除 # 依存関係 R_method(obj, dependant) の削除
def delete_dependency(obj, dependant, method = :finalize) def delete_dependency(obj, dependant, method = :finalize)
id = obj.id id = obj.id
@ -72,7 +72,7 @@ module Finalizer
end end
end end
alias delete delete_dependency alias delete delete_dependency
# 依存関係 R_*(obj, dependant) の削除 # 依存関係 R_*(obj, dependant) の削除
def delete_all_dependency(obj, dependant) def delete_all_dependency(obj, dependant)
id = obj.id id = obj.id
@ -115,7 +115,7 @@ module Finalizer
end end
end end
alias finalize finalize_dependency alias finalize finalize_dependency
# 依存関連 R_*(id, dependtant) で結ばれるdependantをfinalizeする. # 依存関連 R_*(id, dependtant) で結ばれるdependantをfinalizeする.
def finalize_all_dependency(id, dependant) def finalize_all_dependency(id, dependant)
for assoc in Dependency[id] for assoc in Dependency[id]
@ -130,21 +130,21 @@ module Finalizer
Dependency.delete(id) if assoc.empty? Dependency.delete(id) if assoc.empty?
end end
end end
# 依存関連 R_method(*, dependtant) で結ばれるdependantをfinalizeする. # 依存関連 R_method(*, dependtant) で結ばれるdependantをfinalizeする.
def finalize_by_dependant(dependant, method = :finalize) def finalize_by_dependant(dependant, method = :finalize)
for id in Dependency.keys for id in Dependency.keys
finalize(id, dependant, method) finalize(id, dependant, method)
end end
end end
# 依存関連 R_*(*, dependtant) で結ばれるdependantをfinalizeする. # 依存関連 R_*(*, dependtant) で結ばれるdependantをfinalizeする.
def fainalize_all_by_dependant(dependant) def fainalize_all_by_dependant(dependant)
for id in Dependency.keys for id in Dependency.keys
finalize_all_dependency(id, dependant) finalize_all_dependency(id, dependant)
end end
end end
# Finalizerに登録されている全てのdependantをfinalizeする # Finalizerに登録されている全てのdependantをfinalizeする
def finalize_all def finalize_all
for id, assocs in Dependency for id, assocs in Dependency
@ -154,16 +154,19 @@ module Finalizer
assocs.clear assocs.clear
end end
end end
# finalize_* を安全に呼び出すためのイテレータ # finalize_* を安全に呼び出すためのイテレータ
def safe def safe
old_status, Thread.critical = Thread.critical, true old_status, Thread.critical = Thread.critical, true
ObjectSpace.remove_finalizer(Proc) ObjectSpace.remove_finalizer(Proc)
yield begin
ObjectSpace.add_finalizer(Proc) yield
Thread.critical = old_status ensure
ObjectSpace.add_finalizer(Proc)
Thread.critical = old_status
end
end end
# ObjectSpace#add_finalizerへの登録関数 # ObjectSpace#add_finalizerへの登録関数
def final_of(id) def final_of(id)
if assocs = Dependency.delete(id) if assocs = Dependency.delete(id)
@ -172,19 +175,19 @@ module Finalizer
end end
end end
end end
Proc = proc{|id| final_of(id)} Proc = proc{|id| final_of(id)}
ObjectSpace.add_finalizer(Proc) ObjectSpace.add_finalizer(Proc)
module_function :add module_function :add
module_function :add_dependency module_function :add_dependency
module_function :delete module_function :delete
module_function :delete_dependency module_function :delete_dependency
module_function :delete_all_dependency module_function :delete_all_dependency
module_function :delete_by_dependant module_function :delete_by_dependant
module_function :delete_all_by_dependant module_function :delete_all_by_dependant
module_function :finalize module_function :finalize
module_function :finalize_dependency module_function :finalize_dependency
module_function :finalize_all_dependency module_function :finalize_all_dependency
@ -193,8 +196,8 @@ module Finalizer
module_function :finalize_all module_function :finalize_all
module_function :safe module_function :safe
module_function :final_of module_function :final_of
private_class_method :final_of private_class_method :final_of
end end