text: # MIT License
  #
  # Copyright (c) 2021 Clivern
  #
  # Permission is hereby granted, free of charge, to any person obtaining a copy
  # of this software and associated documentation files (the "Software"), to deal
  # in the Software without restriction, including without limitation the rights
  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  # copies of the Software, and to permit persons to whom the Software is
  # furnished to do so, subject to the following conditions:
  #
  # The above copyright notice and this permission notice shall be included in all
  # copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  # SOFTWARE.
  
  import signal
  import time
  import sys
  
  from unixsig.listener import Listener
  
  
  # Run the following to kill the process
  # kill -15 $ID
  if __name__ == '__main__':
      x = Listener()
  
      print('Process ID:', x.getpid())
  
      # Wait in an endless loop for signals
      while True:
          print('Running long process ...')
          time.sleep(3)
          print('Long process finished ...')
  
          if x.is_received(signal.SIGTERM):
              print('(SIGTERM) terminating the process')
              print('(SIGTERM) Doing some cleanup')
              time.sleep(3)
  
              x.discard(signal.SIGTERM)
              sys.exit()
  
          if x.is_received(signal.SIGINT):
              print('(SIGINT) terminating the process')
              print('(SIGINT) Doing some cleanup')
              time.sleep(3)
  
              x.discard(signal.SIGINT)
              sys.exit()
  