- def createDaemon():
- ”’Funzione che crea un demone per eseguire un determinato programma…”’
- import os
- # create - fork 1
- try:
- if os.fork() > 0: os._exit(0) # exit father…
- except OSError, error:
- print ‘fork #1 failed: %d (%s)’ % (error.errno, error.strerror)
- os._exit(1)
- # it separates the son from the father
- os.chdir(’/')
- os.setsid()
- os.umask(0)
- # create - fork 2
- try:
- pid = os.fork()
- if pid > 0:
- print ‘Daemon PID %d’ % pid
- os._exit(0)
- except OSError, error:
- print ‘fork #2 failed: %d (%s)’ % (error.errno, error.strerror)
- os._exit(1)
- funzioneDemo() # function demo
- def funzioneDemo():
- import time
- fd = open('/tmp/demone.log', 'w')
- while True:
- fd.write(time.ctime()+'\\n')
- fd.flush()
- time.sleep(2)
- fd.close()
- if __name__ == '__main__':
- createDaemon()
- #该片段来自于http://www.codesnippet.cn/detail/031220137700.html
来源: http://www.codesnippet.cn/detail/031220137700.html