[PULL 12/19] python/machine.py: re-add sigkill warning suppression

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

From: 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>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Message-Id: <20200710050649.32434-12-jsnow@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 python/qemu/machine.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/python/qemu/machine.py b/python/qemu/machine.py
index a955e3f221..736a3c906f 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
@@ -133,6 +134,7 @@ def __init__(self, binary, args=None, wrapper=None, name=None,
         self._console_address = None
         self._console_socket = None
         self._remove_files = []
+        self._user_killed = False
         self._console_log_path = console_log
         if self._console_log_path:
             # In order to log the console, buffering needs to be enabled.
@@ -327,7 +329,8 @@ 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._user_killed and exitcode == -signal.SIGKILL)):
             msg = 'qemu received signal %i; command: "%s"'
             if self._qemu_full_args:
                 command = ' '.join(self._qemu_full_args)
@@ -335,6 +338,7 @@ def _post_shutdown(self):
                 command = ''
             LOG.warning(msg, -int(exitcode), command)
 
+        self._user_killed = False
         self._launched = False
 
     def launch(self):
@@ -469,6 +473,7 @@ def shutdown(self, has_quit: bool = False,
 
         try:
             if hard:
+                self._user_killed = True
                 self._hard_shutdown()
             else:
                 self._do_shutdown(has_quit, timeout=timeout)
-- 
2.21.3