From 04552566fa357d3029f06b66690dc28752522e10 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 6 May 2014 19:15:36 +0200
Subject: [PATCH] bus: add userdata API for bus name tracker objects

---
 src/libsystemd/libsystemd.sym.m4  |  2 ++
 src/libsystemd/sd-bus/bus-track.c | 17 +++++++++++++++++
 src/systemd/sd-bus.h              |  3 +++
 3 files changed, 22 insertions(+)

diff --git a/src/libsystemd/libsystemd.sym.m4 b/src/libsystemd/libsystemd.sym.m4
index d18d5767b02..14d9dcf9e92 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 e21959d01d0..0f6a2eafbdf 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;
+}
diff --git a/src/systemd/sd-bus.h b/src/systemd/sd-bus.h
index ff2333fb4ab..c6787ca8094 100644
--- a/src/systemd/sd-bus.h
+++ b/src/systemd/sd-bus.h
@@ -358,7 +358,10 @@ int sd_bus_path_decode(const char *path, const char *prefix, char **ret_external
 int sd_bus_track_new(sd_bus *bus, sd_bus_track **track, sd_bus_track_handler_t handler, void *userdata);
 sd_bus_track* sd_bus_track_ref(sd_bus_track *track);
 sd_bus_track* sd_bus_track_unref(sd_bus_track *track);
+
 sd_bus* sd_bus_track_get_bus(sd_bus_track *track);
+void *sd_bus_track_get_userdata(sd_bus_track *track);
+void *sd_bus_track_set_userdata(sd_bus_track *track, void *userdata);
 
 int sd_bus_track_add_sender(sd_bus_track *track, sd_bus_message *m);
 int sd_bus_track_remove_sender(sd_bus_track *track, sd_bus_message *m);