Function start_child

python/python3/tornado/process.py:126–136

(i: int)

    children = {}

    def start_child(i: int) -> Optional[int]:
        pid = os.fork()
        if pid == 0:
            # child process
            _reseed_random()
            global _task_id
            _task_id = i
            return i
        else:
            children[pid] = i
            return None

    for i in range(num_processes):
        id = start_child(i)