Python 3 - os.tcsetpgrp() Method

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Description

The method tcsetpgrp() sets the process group associated with the terminal given by fd (an open file descriptor as returned by os.open()) to pg.

Syntax

Following is the syntax for tcsetpgrp() method −

os.tcsetpgrp(fd, pg)

Parameters

• fd − This is the file descriptor.

• pg − This set the process group to pg.

Return Value

This method does not return any value.

Example

The following example shows the usage of tcsetpgrp() method.

# !/usr/bin/python3
import os, sys

# Showing current directory 
print ("Current working dir :%s" %os.getcwd())

# Changing dir to /dev/tty
fd = os.open("/dev/tty",os.O_RDONLY)
f = os.tcgetpgrp(fd)

# Showing the process group
print ("the process group associated is: ")
print (f)

# Setting the process group
os.tcsetpgrp(fd,2672)
print ("done")

os.close(fd)
print ("Closed the file successfully!!")

Result

When we run the above program, it produces the following result −

Current working dir is :/tmp
the process group associated is:
2672
done
Closed the file successfully!!