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* lib/weakref.rb (WeakRef::__setobj__): should support

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marshaling.  [ruby-talk:228508]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@11365 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 2006-12-07 15:17:14 +00:00
parent e03d9621a6
commit dc859c017d
3 changed files with 19 additions and 15 deletions
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27
lib/weakref.rb
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@ -24,7 +24,6 @@ class WeakRef<Delegator
@@id_map = {} # obj -> [ref,...]
@@id_rev_map = {} # ref -> obj
@@final = lambda {|id|
printf "final: %p\n", id
__old_status = Thread.critical
Thread.critical = true
begin
@ -48,19 +47,7 @@ class WeakRef<Delegator
# Create a new WeakRef from +orig+.
def initialize(orig)
@__id = orig.object_id
printf "orig: %p\n", @__id
ObjectSpace.define_finalizer orig, @@final
ObjectSpace.define_finalizer self, @@final
__old_status = Thread.critical
begin
Thread.critical = true
@@id_map[@__id] = [] unless @@id_map[@__id]
ensure
Thread.critical = __old_status
end
@@id_map[@__id].push self.object_id
@@id_rev_map[self.object_id] = @__id
__setobj__(orig)
super
end
@ -79,6 +66,18 @@ class WeakRef<Delegator
end
def __setobj__(obj)
@__id = obj.object_id
ObjectSpace.define_finalizer obj, @@final
ObjectSpace.define_finalizer self, @@final
__old_status = Thread.critical
begin
Thread.critical = true
@@id_map[@__id] = [] unless @@id_map[@__id]
ensure
Thread.critical = __old_status
end
@@id_map[@__id].push self.object_id
@@id_rev_map[self.object_id] = @__id
end
# Returns true if the referenced object still exists, and false if it has