hetr_server.py 文件源码

def write_server_info(filename, port):
    pid = os.getpid()
    rank = MPI.COMM_WORLD.Get_rank()
    server_info = '{}:{}:{}:{}:{}'.format(LINE_TOKEN, rank, pid, port, LINE_TOKEN).strip()
    logger.debug("write_server_info: line %s, filename %s", server_info, filename)

    time.sleep(0.1 * rank)
    with open(filename, "a") as f:
        fcntl.lockf(f, fcntl.LOCK_EX)
        f.write(server_info + '\n')
        f.flush()
        os.fsync(f.fileno())
        fcntl.lockf(f, fcntl.LOCK_UN)
    return server_info