X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=include%2Flttng%2Ftracker.h;h=51e1680c1e2da197eb6fe5575439c9508a85406c;hp=a66a2cfce4dea3701fd0cb53fe25329bdd12eb78;hb=2497f1f54318c8a0b9f214bfeaf5fd28e72929ab;hpb=a7a533cd65d544e8beebabcca5fe906e27af4707

diff --git a/include/lttng/tracker.h b/include/lttng/tracker.h
index a66a2cfce..51e1680c1 100644
--- a/include/lttng/tracker.h
+++ b/include/lttng/tracker.h
@@ -20,6 +20,7 @@
 
 #include <lttng/constant.h>
 #include <common/macros.h>
+#include <lttng/session.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -49,7 +50,6 @@ enum lttng_tracker_id_status {
 	LTTNG_TRACKER_ID_STATUS_UNSET = 1,
 };
 
-struct lttng_handle;
 struct lttng_tracker_id;
 struct lttng_tracker_ids;
 
@@ -223,8 +223,12 @@ extern const struct lttng_tracker_id *lttng_tracker_ids_get_at_index(
 
 /*
  * Get the number of tracker id in a tracker id list.
+ *
+ * Return LTTNG_TRACKER_ID_STATUS on sucess,
+ * LTTNG_TRACKER_ID_STATUS_INVALID when passed invalid parameters.
  */
-extern int lttng_tracker_ids_get_count(const struct lttng_tracker_ids *ids);
+extern enum lttng_tracker_id_status lttng_tracker_ids_get_count(
+		const struct lttng_tracker_ids *ids, unsigned int *count);
 
 /*
  * Destroy a tracker id list.