Eliminate a timed wait from ExportedObject::HandleMessage().

Previouslly, we blocked in D-Bus thread until the method call is handled
in the UI thread. Turned out this was a bad idea, and caused a crash when
the UI thread is hanging (crosbug.com/21341).

This patch will eliminate the timed wait and incoming methods will be handled
completely asynchronously.

BUG=chromium-os:21341
TEST=run dbus_unittests under valgrind


Review URL: http://codereview.chromium.org/8175009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@104497 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 3 insertions, 0 deletions

diff --git a/dbus/bus.h b/dbus/bus.h
index 3d64a08..d8d077d 100644
--- a/dbus/bus.h
+++ b/dbus/bus.h
@@ -383,6 +383,9 @@ class Bus : public base::RefCountedThreadSafe<Bus> {
   // AssertOnOriginThread().
   virtual void AssertOnDBusThread();
 
+  // Returns true if the bus is connected to D-Bus.
+  bool is_connected() { return connection_ != NULL; }
+
  protected:
   // This is protected, so we can define sub classes.
   virtual ~Bus();