1.守護進程python
[1]使用runner這個模塊直接建立守護進程,很是方便。app
[2]運行方法:python xxx.py start|stop|restartspa
[3]調用python xxx.py stop時,會給進程發送signal.SIGTERM信號,因此能夠捕獲此信號進行程序退出前的處理。rest
[4]流程:code
1)調用python xxx.py start啓動一個守護進程,例如進程號是1000。blog
2)調用python xxx.py stop時,會給進程1000發送一個signal.SIGTERM信號,進程1000結束。進程
# -*- coding: utf-8 -*- import os,sys,time import threading import signal from daemon import runner class App(): def __init__(self): self.stdin_path = '/dev/null' self.stdout_path = '/dev/null' self.stderr_path = '/dev/null' self.pidfile_path = '/tmp/test.pid' self.pidfile_timeout = 5 def run(self): #在這裏添加主流程 while True: time.sleep(10) if __name__ == "__main__": app = App() daemon_runner = runner.DaemonRunner(app) daemon_runner.do_action()