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https://github.com/python/cpython
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Tip revision: 3398dcb14f6d43bf1619f7c32fe8d888c354e6b2 authored by Ned Deily on 05 December 2017, 08:26:08 UTC
Bump to 3.6.4rc1
Tip revision: 3398dcb
mp_preload.py
import multiprocessing

multiprocessing.Lock()


def f():
    print("ok")


if __name__ == "__main__":
    ctx = multiprocessing.get_context("forkserver")
    modname = "test.mp_preload"
    # Make sure it's importable
    __import__(modname)
    ctx.set_forkserver_preload([modname])
    proc = ctx.Process(target=f)
    proc.start()
    proc.join()
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