[PATCH v3 3/3] python/machine.py: re-add sigkill warning suppression

[John Snow <jsnow@redhat.com>]

If the user kills QEMU on purpose, we don't need to warn them about that
having happened: they know already.

Signed-off-by: John Snow <jsnow@redhat.com>
---
 python/qemu/machine.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/python/qemu/machine.py b/python/qemu/machine.py
index a2abd2c35e3..99bcb499878 100644
--- a/python/qemu/machine.py
+++ b/python/qemu/machine.py
@@ -22,6 +22,7 @@
 import os
 import subprocess
 import shutil
+import signal
 import socket
 import tempfile
 from typing import Optional, Type
@@ -122,6 +123,7 @@ def __init__(self, binary, args=None, wrapper=None, name=None,
         self._console_address = None
         self._console_socket = None
         self._remove_files = []
+        self._killed = False
 
     def __enter__(self):
         return self
@@ -282,7 +284,7 @@ def _post_launch(self):
         if self._qmp:
             self._qmp.accept()
 
-    def _post_shutdown(self):
+    def _post_shutdown(self) -> None:
         self._load_io_log()
 
         if self._qemu_log_file is not None:
@@ -299,7 +301,8 @@ def _post_shutdown(self):
             self._remove_if_exists(self._remove_files.pop())
 
         exitcode = self.exitcode()
-        if exitcode is not None and exitcode < 0:
+        if (exitcode is not None and exitcode < 0
+                and not (self._killed and exitcode == -signal.SIGKILL)):
             msg = 'qemu received signal %i; command: "%s"'
             if self._qemu_full_args:
                 command = ' '.join(self._qemu_full_args)
@@ -307,6 +310,7 @@ def _post_shutdown(self):
                 command = ''
             LOG.warning(msg, -int(exitcode), command)
 
+        self._killed = False
         self._launched = False
 
     def launch(self):
@@ -414,6 +418,7 @@ def shutdown(self, has_quit: bool = False, hard: bool = False) -> None:
 
         try:
             if hard:
+                self._killed = True
                 self._hard_shutdown()
             else:
                 self._do_shutdown(has_quit)
-- 
2.21.3