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