bus: add the ability for backends to queue to input messages at the same time

We need this so that one incoming kernel message can result in two
high-level bus messages, for the case where we synthesize NameAcquired
and NameOwnerChanged in the same instance.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/libsystemd-bus/bus-internal.h b/src/libsystemd-bus/bus-internal.h
index 7a7d8f5ffb..f21cf87ea2 100644
--- a/src/libsystemd-bus/bus-internal.h
+++ b/src/libsystemd-bus/bus-internal.h
@@ -166,7 +166,7 @@ struct sd_bus {
         size_t rbuffer_size;
 
         sd_bus_message **rqueue;
-        unsigned rqueue_size;
+        unsigned rqueue_size, rqueue_allocated;
 
         sd_bus_message **wqueue;
         unsigned wqueue_size;
@@ -296,6 +296,9 @@ int bus_next_address(sd_bus *bus);
 
 int bus_seal_message(sd_bus *b, sd_bus_message *m);
 
+int bus_rqueue_make_room(sd_bus *bus, unsigned n);
+int bus_rqueue_push(sd_bus *bus, sd_bus_message *m);
+
 bool bus_pid_changed(sd_bus *bus);
 
 char *bus_address_escape(const char *v);