Make PipeIOServer non-blocking

pipe_io_server/pipe_io_server.py

@@ -1,13 +1,15 @@
 from abc import ABC, abstractmethod
-from threading import Event
+from threading import Thread, Event
 
 from .pipe_reader_thread import PipeReaderThread
 from .pipe_writer_thread import PipeWriterThread
 from .pipe import Pipe
+from .terminate_process_on_failure import terminate_process_on_failure
 
 
-class PipeIOServer(ABC):
+class PipeIOServer(ABC, Thread):
     def __init__(self, in_pipe=None, out_pipe=None):
+        super().__init__()
         self._in_pipe, self._out_pipe = in_pipe, out_pipe
         self._create_pipes()
         self._stop_event = Event()
@@ -38,6 +40,7 @@ class PipeIOServer(ABC):
     def send(self, message):
         self._writer_thread.write(message)
 
+    @terminate_process_on_failure
     def run(self):
         for thread in self._io_threads:
             thread.start()
@@ -46,6 +49,8 @@ class PipeIOServer(ABC):
 
     def stop(self):
         self._stop_event.set()
+        if self.is_alive():
+            self.join()
 
     def _stop(self):
         for thread in self._io_threads: