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import time
import subprocess
import sys
import os
if __name__ == '__main__':
if 'launch-subprocesses' in sys.argv:
n = int(sys.argv[-1])
if n != 0:
subprocess.Popen([sys.executable, __file__, 'launch-subprocesses', str(n - 1)])
if hasattr(os, 'getppid'):
print('%screated %s (child of %s)' % ('\t' * (4 - n), os.getpid(), os.getppid()))
else:
print('%screated %s' % ('\t' * (4 - n), os.getpid()))
elif 'check-subprocesses' in sys.argv or 'check-subprocesses-ignore-pid' in sys.argv:
# Recursively create a process tree such as:
# - parent (this process)
# - p3
# - p2
# - p1
# - p0
# - p3
# - p2
# - p1
# - p0
p0 = subprocess.Popen([sys.executable, __file__, 'launch-subprocesses', '3'])
p1 = subprocess.Popen([sys.executable, __file__, 'launch-subprocesses', '3'])
if 'check-subprocesses-ignore-pid' in sys.argv:
import pydevd
pydevd.add_dont_terminate_child_pid(p0.pid)
print('created', os.getpid())
while True:
time.sleep(.1)
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