in priv/monitor.py [0:0]
def main():
parent_pid = int(sys.argv[1])
target_pid = int(sys.argv[2])
while True:
try:
os.kill(parent_pid, 0)
time.sleep(1.0)
except OSError:
try:
os.kill(target_pid, 9)
except:
pass
exit(0)