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-rw-r--r--src/core/dbus-unit.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/src/core/dbus-unit.c b/src/core/dbus-unit.c
index 7ef9baf905..18e5b8d2df 100644
--- a/src/core/dbus-unit.c
+++ b/src/core/dbus-unit.c
@@ -561,6 +561,44 @@ int bus_unit_method_unref(sd_bus_message *message, void *userdata, sd_bus_error
return sd_bus_reply_method_return(message, NULL);
}
+static int property_get_refs(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ Unit *u = userdata;
+ const char *i;
+ int r;
+
+ assert(bus);
+ assert(reply);
+
+ r = sd_bus_message_open_container(reply, 'a', "s");
+ if (r < 0)
+ return r;
+
+ for (i = sd_bus_track_first(u->bus_track); i; i = sd_bus_track_next(u->bus_track)) {
+ int c, k;
+
+ c = sd_bus_track_count_name(u->bus_track, i);
+ if (c < 0)
+ return c;
+
+ /* Add the item multiple times if the ref count for each is above 1 */
+ for (k = 0; k < c; k++) {
+ r = sd_bus_message_append(reply, "s", i);
+ if (r < 0)
+ return r;
+ }
+ }
+
+ return sd_bus_message_close_container(reply);
+}
+
const sd_bus_vtable bus_unit_vtable[] = {
SD_BUS_VTABLE_START(0),
@@ -637,6 +675,7 @@ const sd_bus_vtable bus_unit_vtable[] = {
SD_BUS_PROPERTY("RebootArgument", "s", NULL, offsetof(Unit, reboot_arg), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("InvocationID", "ay", bus_property_get_id128, offsetof(Unit, invocation_id), 0),
SD_BUS_PROPERTY("CollectMode", "s", property_get_collect_mode, offsetof(Unit, collect_mode), 0),
+ SD_BUS_PROPERTY("Refs", "as", property_get_refs, 0, 0),
SD_BUS_METHOD("Start", "s", "o", method_start, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("Stop", "s", "o", method_stop, SD_BUS_VTABLE_UNPRIVILEGED),