Added the flush command.

Instead of trying to actually flush queues, we send a special command
through the same queues as the other commands and can thus guarantee
that the respective commands have been processed without blocking
anything.

1 files changed, 1 insertions, 0 deletions

diff --git a/common/commands.h b/common/commands.h
index b97bbc6..0da1b3c 100644
--- a/common/commands.h
+++ b/common/commands.h
@@ -48,6 +48,7 @@ enum CommandIds
     RevisionReplayedCommand,
     InspectionCommand,
     RemoveFromDiskCommand,
+    FlushCommand,
     CustomCommand = 0xffff
 };