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-rw-r--r--test/ruby/test_thread.rb11
1 files changed, 11 insertions, 0 deletions
diff --git a/test/ruby/test_thread.rb b/test/ruby/test_thread.rb
index 921f5a01c15..eebedb053bb 100644
--- a/test/ruby/test_thread.rb
+++ b/test/ruby/test_thread.rb
@@ -1205,6 +1205,17 @@ q.pop
assert_predicate(status, :success?, bug9751)
end if Process.respond_to?(:fork)
+ def test_fork_while_locked
+ m = Mutex.new
+ thrs = []
+ 3.times do |i|
+ thrs << Thread.new { m.synchronize { Process.waitpid2(fork{})[1] } }
+ end
+ thrs.each do |t|
+ assert_predicate t.value, :success?, '[ruby-core:85940] [Bug #14578]'
+ end
+ end if Process.respond_to?(:fork)
+
def test_subclass_no_initialize
t = Module.new do
break eval("class C\u{30b9 30ec 30c3 30c9} < Thread; self; end")