bus: add userdata API for bus name tracker objects

2 files changed, 19 insertions, 0 deletions

diff --git a/src/libsystemd/libsystemd.sym.m4 b/src/libsystemd/libsystemd.sym.m4
index d18d5767b0..14d9dcf9e9 100644
--- a/src/libsystemd/libsystemd.sym.m4
+++ b/src/libsystemd/libsystemd.sym.m4
@@ -331,6 +331,8 @@ m4_ifdef(`ENABLE_KDBUS',
         sd_bus_track_ref;
         sd_bus_track_unref;
         sd_bus_track_get_bus;
+        sd_bus_track_get_userdata;
+        sd_bus_track_set_userdata;
         sd_bus_track_add_sender;
         sd_bus_track_remove_sender;
         sd_bus_track_add_name;
diff --git a/src/libsystemd/sd-bus/bus-track.c b/src/libsystemd/sd-bus/bus-track.c
index e21959d01d..0f6a2eafbd 100644
--- a/src/libsystemd/sd-bus/bus-track.c
+++ b/src/libsystemd/sd-bus/bus-track.c
@@ -312,3 +312,20 @@ void bus_track_dispatch(sd_bus_track *track) {
 
         sd_bus_track_unref(track);
 }
+
+_public_ void *sd_bus_track_get_userdata(sd_bus_track *track) {
+        assert_return(track, NULL);
+
+        return track->userdata;
+}
+
+_public_ void *sd_bus_track_set_userdata(sd_bus_track *track, void *userdata) {
+        void *ret;
+
+        assert_return(track, NULL);
+
+        ret = track->userdata;
+        track->userdata = userdata;
+
+        return ret;
+}