Also catch SIGBREAK on windows, and remove useless code

src/daemon/windows_signal.py

@@ -5,12 +5,10 @@ https://stackoverflow.com/questions/35772001/how-to-handle-the-signal-in-python-
 
 import os
 import sys
-import time
 import signal
 
 if sys.platform != "win32" and sys.platform != "cygwin":
     kill = os.kill
-    sleep = time.sleep
 else:
     # adapt the conflated API on Windows.
     import threading
@@ -53,25 +51,3 @@ else:
                 signal.signal(signum, handler)
         else:
             os.kill(pid, sigmap.get(signum, signum))
-
-    if sys.version_info[0] > 2:
-        sleep = time.sleep
-    else:
-        import errno
-
-        # If the signal handler doesn't raise an exception,
-        # time.sleep in Python 2 raises an EINTR IOError, but
-        # Python 3 just resumes the sleep.
-
-        def sleep(interval):
-            """sleep that ignores EINTR in 2.x on Windows"""
-            while True:
-                try:
-                    t = time.time()
-                    time.sleep(interval)
-                except IOError as e:
-                    if e.errno != errno.EINTR:
-                        raise
-                interval -= time.time() - t
-                if interval <= 0:
-                    break

src/server/start_service.py

@@ -3,6 +3,7 @@ import logging
 import logging.config
 import signal
 
+from sys import platform
 from typing import Any, AsyncGenerator, Callable, List, Optional, Tuple
 
 try:
@@ -192,6 +193,9 @@ class Service:
 
             signal.signal(signal.SIGINT, global_signal_handler)
             signal.signal(signal.SIGTERM, global_signal_handler)
+            if platform == "win32" or platform == "cygwin":
+                # pylint: disable=E1101
+                signal.signal(signal.SIGBREAK, global_signal_handler)  # type: ignore
 
         self._task = asyncio.create_task(_run())