Process.is_alive() Method

Method Name:

is_alive

Method Signature:

is_alive()

Returns:

bool

True – If the process is alive

Fale – If the process is not alive

Parameters:

Not Applicable

Method Overview:

  • Returns the process status corresponding to a Process instance (whether the process is alive or not).

 

Example:

import multiprocessing as multiproc
import time

def processFunction(messageQueue):
    for i in range(1, 10):
        messageQueue.put("Message from Child Process")
        time.sleep(1)

if __name__ == "__main__":
    multiproc.set_start_method("fork")

    messageQueue = multiproc.Queue()
    childProcess = multiproc.Process(target=processFunction, args=(messageQueue,))

    childProcess.start()
    print("The child process is alive:%s"%childProcess.is_alive())
    childProcess.join()   
    print("The child process is alive:%s"%childProcess.is_alive())
    print("Parent process exiting")

 

Output:

The child process is alive:True

The child process is alive:False

Parent process exiting


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