Onionr/src/netcontroller/watchdog.py

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"""
Onionr - Private P2P Communication
Watch 1 process, then terminate second safely
"""
import time
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import os
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import psutil
"""
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
"""
def watchdog(parent_proc, child_proc):
"""watch for proc1 to die, then kill proc2"""
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try:
if os.forkpty() != 0:
return
except AttributeError:
pass
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parent_proc = psutil.Process(parent_proc)
child_proc = psutil.Process(child_proc)
while parent_proc.is_running():
time.sleep(10)
if child_proc.is_running():
child_proc.terminate()