Now removing savefile after loading; Properly terminating program on signal sigterm

sw/utility/simulation.py

@@ -153,7 +153,6 @@ class Simulator:
         if the number of target frame errors has been reached
         """
         if self._curr_num_frame_errors >= self._target_frame_errors:
-            # TODO: Properly handle the multiple decoders
             self._BERs[self._current_decoder_index] \
                 .append(self._curr_num_bit_errors / (self._curr_num_iterations * self._n))
 
@@ -256,6 +255,7 @@ class SimulationManager:
 
         signal.signal(signal.SIGINT, self._exit_gracefully)
         signal.signal(signal.SIGTERM, self._exit_gracefully)
+        signal.signal(signal.SIGHUP, self._exit_gracefully)
 
     #
     # Functions relating to the pausing and restarting of simulations
@@ -266,7 +266,10 @@ class SimulationManager:
         return os.path.isfile(self._sim_state_filepath)
 
     def load_unfinished(self):
-        """Load the state of an unfinished simulation its savefile."""
+        """Load the state of an unfinished simulation its savefile.
+
+        Warning: This function deletes the savefile after loading.
+        """
         assert self.unfinished_simulation_present()
 
         self._logger.info("Loading saved simulation state")
@@ -274,6 +277,8 @@ class SimulationManager:
         with open(self._sim_state_filepath, "rb") as file:
             self._simulator = pickle.load(file)
 
+        os.remove(self._sim_state_filepath)
+
     # TODO: Make sure old state is overwritten
     def _save_state(self) -> None:
         """Write the state of the currently configured simulation to a savefile."""
@@ -296,6 +301,8 @@ class SimulationManager:
             self._simulator.stop()
             self._save_state()
 
+        exit()
+
     #
     # Functions responsible for the actual simulation
     #