[daemon-fix] Send SIGUSR1 signal to systemd for reconnecting to

kdbus bus daemon when starting system bus on boot
Change-Id: Iaf9e64eec65bdbad4b737969481d80acd447c63e

1 files changed, 12 insertions, 0 deletions

diff --git a/bus/main.c b/bus/main.c
index e060baa8..ebd09457 100644
--- a/bus/main.c
+++ b/bus/main.c
@@ -643,6 +643,18 @@ main (int argc, char **argv)
   _dbus_set_signal_handler (SIGHUP, signal_handler);
 #endif /* DBUS_UNIX */
 
+#ifdef ENABLE_KDBUS_TRANSPORT
+  if (bus_context_get_systemd_activation(context) == TRUE)
+    {
+      if (strncmp(bus_context_get_address(context), "kdbus:", strlen("kdbus:")) == 0 &&
+                  !strcmp(bus_context_get_type(context), "system") &&
+                  getuid() == 0)
+        {
+          kill (1, SIGUSR1);
+        }
+    }
+#endif
+
   _dbus_verbose ("We are on D-Bus...\n");
   _dbus_loop_run (bus_context_get_loop (context));