#626: when we get a signal we will exit on, remove the exception hook…

… hacks

git-svn-id: https://xpra.org/svn/Xpra/trunk@9197 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/xpra/gtk_common/quit.py

@@ -48,12 +48,13 @@ def gtk_main_quit_forever():
 # propagate it from Python code. Sigh.) But sys.excepthook will still get
 # called with such exceptions.
 _hooked = False
+_oldhook = None
 def gtk_main_quit_on_fatal_exceptions_enable():
-    global _hooked
+    global _hooked, _oldhook
     if _hooked:
         return
     _hooked = True
-    oldhook = sys.excepthook
+    _oldhook = sys.excepthook
     def gtk_main_quit_on_fatal_exception(etype, val, tb):
         if issubclass(etype, (KeyboardInterrupt, SystemExit)):
             print("Shutting down main-loop")
@@ -67,5 +68,12 @@ def gtk_main_quit_on_fatal_exception(etype, val, tb):
             print(traceback.print_exception(etype, val, tb))
             print("Maximum recursion depth exceeded")
         else:
-            return oldhook(etype, val, tb)
+            return _oldhook(etype, val, tb)
     sys.excepthook = gtk_main_quit_on_fatal_exception
+
+def gtk_main_quit_on_fatal_exceptions_disable():    
+    global __oldhook
+    oh = _oldhook
+    if oh:
+        _oldhook = None
+        sys.excepthook = oh

src/xpra/server/gtk_server_base.py

@@ -15,7 +15,8 @@
 screenlog = Logger("server", "screen")
 
 from xpra.gtk_common.quit import (gtk_main_quit_really,
-                           gtk_main_quit_on_fatal_exceptions_enable)
+                           gtk_main_quit_on_fatal_exceptions_enable,
+                           gtk_main_quit_on_fatal_exceptions_disable)
 from xpra.server.server_base import ServerBase
 from xpra.gtk_common.gtk_util import get_gtk_version_info, gtk_main
 from xpra.util import updict
@@ -40,8 +41,13 @@ def watch_keymap_changes(self):
         ### Set up keymap change notification:
         gtk.gdk.keymap_get_default().connect("keys-changed", self._keys_changed)
 
+    def signal_quit(self, signum, frame):
+        gtk_main_quit_on_fatal_exceptions_disable()
+        ServerBase.signal_quit(self, signum, frame)
+
     def do_quit(self):
         log("do_quit: calling gtk_main_quit_really")
+        gtk_main_quit_on_fatal_exceptions_disable()
         gtk_main_quit_really()
         log("do_quit: gtk_main_quit_really done")