child_wait 931 kernel/exit.c wait_queue_entry_t child_wait; child_wait 1401 kernel/exit.c child_wait); child_wait 1426 kernel/exit.c init_waitqueue_func_entry(&wo->child_wait, child_wait_callback); child_wait 1427 kernel/exit.c wo->child_wait.private = current; child_wait 1428 kernel/exit.c add_wait_queue(¤t->signal->wait_chldexit, &wo->child_wait); child_wait 1469 kernel/exit.c remove_wait_queue(¤t->signal->wait_chldexit, &wo->child_wait);