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signal.c: get rid of deadlock by discarded signals

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* signal.c (rb_f_kill): get rid of deadlock as unhandled and
  discarded signals do not make interrupt_cond signaled.
  based on the patch by Kazuki Tsujimoto at [ruby-dev:48606].
  [Bug #9820]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47832 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-10-07 14:40:16 +00:00
parent 1bb2721e4b
commit 2ebafed88a
3 changed files with 14 additions and 1 deletions
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5
test/ruby/test_signal.rb
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@ -286,5 +286,10 @@ EOS
assert_predicate(status, :signaled?, bug9820)
assert_equal(trap, status.termsig, bug9820)
end
if Signal.list['CONT']
bug9820 = '[ruby-dev:48606] [Bug #9820]'
assert_ruby_status(['-e', 'Process.kill(:CONT, $$)'])
end
end if Process.respond_to?(:kill)
end