api/daemon.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 = 'php /www/api/src/dai/seller/index.php \'{"l":"task.cron"}\' 1>/dev/null 2>&1 &'
        check = 'ps -ef | grep task.cron | grep -v grep | wc -l'
        i = 0
        while 1:
                value = int(popen(check))
                if value == 0:
                        popen(command)
                time.sleep(timeSleep)

process()