Python os.tcsetpgrp () method
Python OS file / directory methods
Outline
Process group os.tcsetpgrp () method is used to set the terminal fd (consisting os.open returned () open file descriptors) associated to pg.
grammar
tcsetpgrp () method syntax is as follows:
os.tcsetpgrp(fd, pg)
parameter
fd - file descriptor.
pg - process associated with the group.
return value
This method has no return value.
Examples
The following example demonstrates tcsetpgrp () method of use:
#!/usr/bin/python
# -*- coding: UTF-8 -*-
import os, sys
# 显示当前目录
print "当前目录 :%s" %os.getcwd()
# 修改目录到 /dev/tty
fd = os.open("/dev/tty",os.O_RDONLY)
f = os.tcgetpgrp(fd)
# 显示进程组
print "关联进程组: "
print f
# 设置进程组
os.tcsetpgrp(fd,2672)
print "done"
os.close(fd)
print "关闭文件成功!!"
The above program output is:
当前目录 :/tmp 关联进程组: 2672 done 关闭文件成功!!