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#-----------------------------------------------------------------------------
# Copyright (c) 2005-2023, PyInstaller Development Team.
#
# Distributed under the terms of the GNU General Public License (version 2
# or later) with exception for distributing the bootloader.
#
# The full license is in the file COPYING.txt, distributed with this software.
#
# SPDX-License-Identifier: (GPL-2.0-or-later WITH Bootloader-exception)
#-----------------------------------------------------------------------------
import sys
import multiprocessing
class SendEventProcess(multiprocessing.Process):
def __init__(self, queue):
multiprocessing.Process.__init__(self)
self.queue = queue
def run(self):
print('SendEventProcess: begin')
self.queue.put((1, 2))
print('SendEventProcess: end')
def main(start_method):
# Set start method
multiprocessing.set_start_method(start_method)
# Create a queue, and run a subprocess that fills it with data
print('Main: begin')
queue = multiprocessing.Queue()
process = SendEventProcess(queue)
process.start()
results = queue.get()
print(f'Main: retrieved results: {results}')
assert results == (1, 2)
process.join()
print('Main: end')
# Ensure process finished successfully
assert process.exitcode == 0, f"Process exited with non-success code {process.exitcode}!"
if __name__ == '__main__':
multiprocessing.freeze_support()
if len(sys.argv) != 2:
print(f"Usage: {sys.argv[0]} <start-method>")
sys.exit(1)
main(sys.argv[1])
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