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test_fork.rb
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test_fork.rb
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assert_equal '0', %q{
begin
GC.stress = true
pid = fork {}
Process.wait pid
$?.to_i
rescue NotImplementedError
0
end
}, '[ruby-dev:32404]'
assert_finish 10, %q{
begin
children = (1..10).map{
Thread.start{fork{}}.value
}
while !children.empty? and pid = Process.wait
children.delete(pid)
end
rescue NotImplementedError
end
}, '[ruby-core:22158]'
assert_normal_exit(<<'End', '[ruby-dev:37934]')
main = Thread.current
Thread.new { sleep 0.01 until main.stop?; Thread.kill main }
Process.setrlimit(:NPROC, 1)
fork {}
End
assert_equal 'ok', %q{
begin
r, w = IO.pipe
if pid1 = fork
w.close
r.read(1)
Process.kill("USR1", pid1)
_, s = Process.wait2(pid1)
s.success? ? :ok : :ng
else
r.close
if pid2 = fork
trap("USR1") { Time.now.to_s; Process.kill("USR2", pid2) }
w.close
Process.wait2(pid2)
else
w.close
sleep 0.2
end
exit true
end
rescue NotImplementedError
:ok
end
}, '[ruby-core:28924]'
assert_equal '[1, 2]', %q{
a = []
main = Thread.current
trap(:INT) { a.push(1).size == 2 and main.wakeup }
trap(:TERM) { a.push(2).size == 2 and main.wakeup }
pid = $$
begin
pid = fork do
Process.kill(:INT, pid)
Process.kill(:TERM, pid)
end
Process.wait(pid)
100.times {break if a.size > 1; sleep 0.001}
a.sort
rescue NotImplementedError
[1, 2]
end
}, '[ruby-dev:44005] [Ruby 1.9 - Bug #4950]'