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thread.c: deadlock in backtrace

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* thread.c (unblock_function_set): check interrupts just once
  during raising exceptions, as they are deferred since r16651.
  [ruby-core:85939] [Bug #14577]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62673 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2018-03-06 05:15:57 +00:00
parent e667897b46
commit ec826b3f93
2 changed files with 23 additions and 1 deletions
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22
test/ruby/test_exception.rb
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@ -1200,6 +1200,28 @@ $stderr = $stdout; raise "\x82\xa0"') do |outs, errs, status|
end;
end
def test_blocking_backtrace
assert_separately([], "#{<<~"begin;"}\n#{<<~'end;'}")
begin;
class Bug < RuntimeError
def backtrace
IO.readlines(IO::NULL)
end
end
bug = Bug.new '[ruby-core:85939] [Bug #14577]'
n = 10000
i = 0
n.times do
begin
raise bug
rescue Bug
i += 1
end
end
assert_equal(n, i)
end;
end
def test_wrong_backtrace
assert_separately([], "#{<<-"begin;"}\n#{<<-"end;"}")
begin;