摘要： import select import os import subprocess import time import fcntl args = ['python','./fetch_file2.py',ip,path] proc = subprocess.Popen(args, stdout=subprocess.PIPE,stderr=subprocess.PIPE,close_fds=... 阅读全文

摘要： 参考：http://blog.csdn.net/nodeathphoenix/article/details/23284157 http://blog.csdn.net/linyt/article/details/2983960 管道死锁 一，管道读写规则 当没有数据可读时 O_NONBLOCK d 阅读全文