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

Process.is_alive() method