testp atfork1_child
libaa atfork_child
testp atfork2_child
libab atfork_child
testp atfork3_child
finished 0

testp atfork1_child
testp atfork2_child
testp atfork3_child
finished 1

testp atfork1_child
testp atfork3_child
finished 2

testp atfork1_child
testp atfork2_child
finished 3