Python进程池处理并发TCP请求导致客户端卡死：原因是什么以及如何解决？

import os
import socket
import sys
import time
import threading
from loguru import logger
from concurrent.futures import ThreadPoolExecutor
from concurrent.futures._base import Future
import multiprocessing

default_encoding: str = 'utf-8'

def init_serversocket() -> socket.socket:
    # ... (代码与原代码相同) ...

def send_response(clientsocket: socket.socket, addr: tuple, response_body: bytes) -> int:
    # ... (代码与原代码相同) ...

def start_request(clientsocket_fd: int, addr: tuple) -> int:
    clientsocket = socket.fromfd(clientsocket_fd, socket.AF_INET, socket.SOCK_STREAM)
    os.close(clientsocket_fd)  # 关闭父进程的文件描述符

    try:
        # ... (代码与原代码相同) ...
    except Exception as error:
        logger.exception(error)
    finally:
        clientsocket.close()  # 确保关闭socket连接

def worker_process(clientsocket_fd, addr):
    start_request(clientsocket_fd, addr)

if __name__ == "__main__":
    serversocket = init_serversocket()

    pool = multiprocessing.Pool(processes=16)

    while True:
        try:
            clientsocket, addr = serversocket.accept()
            clientsocket_fd = clientsocket.fileno()
            pool.apply_async(worker_process, (clientsocket_fd, addr))
        except Exception as error:
            logger.exception(error)

    pool.close()
    pool.join()