ROS 监控制线程通过setDaemon 设置为随启动线程退出

linuxarmsummary

于 2016-09-19 17:02:52 发布

阅读量470

点赞数

CC 4.0 BY-SA版权

本文链接：https://blog.youkuaiyun.com/linuxarmsummary/article/details/52587303

本文介绍了一个基于Python多线程的进程监控器类的设计与实现过程。该监控器能够周期性地检查进程状态，并通过Run方法进行核心监控逻辑的执行。文章提供了完整的类定义及启动监控器的方法。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

import os
import sys
import logging
from threading import Thread,RLock,Lock

class ProcessMonitor(Thread):
    def __init__(self,name="ProcessMonitor"):
        Thread.__init__(self,name=name)
        self.procs=[]
        self.plock = RLock()
        self.is_shutdown = False
        self.setDaemon(True)
    def run(self):
        try:
            while True:
                 print("this is run ROS  ProcessMonitor ")
        finally:
            pass


_pmons = []
_pmon_counter = 0
def start_process_monitor():
    global _pmon_counter
    _pmon_counter += 1
    name = "ProcessMonitor-%s"%_pmon_counter
    process_monitor= ProcessMonitor(name)
    try:
        _pmons.append(process_monitor)
        process_monitor.start()
    finally:
        pass
    return process_monitor

if __name__ == '__main__':
     start_process_monitor()