@util.debuglog
    def send_signal_child(self, pid, child_id, signum):
        """Send signal to a child.
        """
        process = self.processes[pid]
        try:
            process.send_signal_child(int(child_id), signum)
        except __HOLE__ as e:
            if e.errno != errno.ESRCH:
                raise
dataset/ETHPy150Open circus-tent/circus/circus/watcher.py/Watcher.send_signal_child