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パイプ

Python
パイプ

Last updated at 2020-04-23Posted at 2020-04-23

import logging
import multiprocessing
import time

logging.basicConfig(level=logging.DEBUG, format='%(processName)s: %(message)s')


def f(conn):
    conn.send(['test'])
    time.sleep(5)
    conn.close()


if __name__ == '__main__':
    parent_conn, child_conn = multiprocessing.Pipe()
    p = multiprocessing.Process(target=f,args=(parent_conn, ))
    p.start()
    #p.join() プロセスが終了するまで待つ場合はコメントアウトする
    logging.debug(child_conn.recv())

MainProcess: ['test']

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