Python3 os.tcgetpgrp() Method
Python3 OS File/Directory Methods
Overview
The os.tcgetpgrp() method is used to return the process group associated with the terminal fd (an open file descriptor returned by os.open()).
Syntax
tcgetpgrp()The method syntax is as follows:
os.tcgetpgrp(fd)
Parameters
fd-- File descriptor.
Return Value
This method returns the process group.
Example
The following example demonstrates the use of the tcgetpgrp() method:
#!/usr/bin/python3
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 ("相关进程组: ")
print (f)
os.close(fd)
print ("关闭文件成功!!")
The output of the above program is:
当前目录 :/tmp 相关进程组: 2670 关闭文件成功!!Other Extensions