Method Name:
os.getpid
Method Signature:
os.getpid()
Parameters:
None
Method Overview:
-
In any modern operating system, every process will have an id usually an integer that is assigned to an active process.
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The method getpid() of the Python os module, returns the current process Id.
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Process Id or pid is consumed by several methods like os.kill(), os.getsid() and so on.
- The following screenshot lists all the processes running under the operating system ( the list that can be shown to the current user) along with the process Ids as given by the command ps -A.
Example 1:
|
import os
print("PID of the current process is:") print(os.getpid()) |
Output:
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PID of the current process is: 2842 |
Example 2:
|
import os
retVal = os.fork() pid = os.getpid()
if retVal is 0: print("PID of the child process is: %d"%(pid)) else: pid = os.getpid() print("PID of the parent process is: %d"%(pid))
|
Output:
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PID of the parent process is: 2850 PID of the child process is: 2851 |