bitbake: toaster: clean exit on bb server shutdown

This patch adds the capability to have the Toaster UI
detect when the Bitbake server exited and cleanly
trigger a clean shutdown of the system through the toaster
starting script.

(Bitbake rev: a9cfa3eacfc99550e1ad3f8bb61b2a0bc9b44332)

Signed-off-by: Alexandru DAMIAN <alexandru.damian@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/ui/toasterui.py

@@ -249,6 +249,10 @@ def main(server, eventHandler, params ):
                     buildinfohelper.store_license_manifest_path(event)
                 continue
 
+            if isinstance(event, bb.cooker.CookerExit):
+                # exit when the server exits
+                break
+
             # ignore
             if isinstance(event, (bb.event.BuildBase,
                                   bb.event.StampUpdate,
@@ -258,8 +262,7 @@ def main(server, eventHandler, params ):
                                   bb.event.OperationProgress,
                                   bb.command.CommandFailed,
                                   bb.command.CommandExit,
-                                  bb.command.CommandCompleted,
-                                  bb.cooker.CookerExit)):
+                                  bb.command.CommandCompleted)):
                 continue
 
             if isinstance(event, bb.event.DepTreeGenerated):