microproduct/atmosphericDelay/ISCEApp/site-packages/twisted/test/process_signal.py

import sys, signal

signal.signal(signal.SIGINT, signal.SIG_DFL)
if getattr(signal, "SIGHUP", None) is not None:
    signal.signal(signal.SIGHUP, signal.SIG_DFL)
print('ok, signal us')
sys.stdin.read()
sys.exit(1)