21 lines
634 B
Ruby
21 lines
634 B
Ruby
# frozen_string_literal: true
|
|
class TestUbfAsyncSafe < Test::Unit::TestCase
|
|
def test_ubf_async_safe
|
|
skip 'need fork for single-threaded test' unless Process.respond_to?(:fork)
|
|
IO.pipe do |r, w|
|
|
pid = fork do
|
|
require '-test-/gvl/call_without_gvl'
|
|
r.close
|
|
trap(:INT) { exit!(0) }
|
|
Thread.current.__ubf_async_safe__(w.fileno)
|
|
exit!(1)
|
|
end
|
|
w.close
|
|
assert IO.select([r], nil, nil, 30), 'child did not become ready'
|
|
Process.kill(:INT, pid)
|
|
_, st = Process.waitpid2(pid)
|
|
assert_predicate st, :success?, ':INT signal triggered exit'
|
|
end
|
|
end
|
|
end
|