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Fix Ractor.make_shareable for recursive structures with unfreezable components

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Followup to #3823
This commit is contained in:
Marc-Andre Lafortune 2020-11-30 15:51:30 -05:00 committed by Marc-André Lafortune
parent 750e2d9e5e
commit e25165b3fc
Notes: git 2020-12-01 09:34:07 +09:00 
Merged: https://github.com/ruby/ruby/pull/3827
2 changed files with 12 additions and 1 deletions
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11
bootstraptest/test_ractor.rb
View File

@ -984,6 +984,17 @@ assert_equal '[false, false]', %q{
[Ractor.shareable?(x), Ractor.shareable?(y)]
}
# Ractor.make_shareable(recursive_objects)
assert_equal '[:ok, false, false]', %q{
o = Object.new
def o.freeze; raise; end
y = []
x = [y, o].freeze
y << x
y.freeze
[(Ractor.make_shareable(x) rescue :ok), Ractor.shareable?(x), Ractor.shareable?(y)]
}
# define_method() can invoke different Ractor's proc if the proc is shareable.
assert_equal '1', %q{
class C

2
ractor.c
View File

@ -2089,7 +2089,7 @@ rb_ractor_make_shareable(VALUE obj)
{
rb_obj_traverse(obj,
make_shareable_check_shareable,
mark_shareable, mark_shareable);
null_leave, mark_shareable);
return obj;
}