api/check.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import time
import os
timeSleep = 15

def popen(command, bg=False):
        string = command
        if bg == True:
                command = command + ' &'
        process = os.popen(command)
        output = process.read()
        process.close()
        return output

# 定时执行进程
def process():
        command = 'python /www/api/daemon.py 1>/dev/null 2>&1 &'
        check = 'ps -ef | grep daemon.py | grep -v grep | wc -l'
        value = int(popen(check))
        if value == 0:
                popen(command)

process()