-void lttv_trace_find_hook(LttTrace *t, char *facility, char *event_type,
- char *field1, char *field2, char *field3, LttvHook h, LttvTraceHook *th);
+gint lttv_trace_find_hook(LttTrace *t, GQuark facility, GQuark event_type,
+ GQuark field1, GQuark field2, GQuark field3, LttvHook h,
+ gpointer hook_data, LttvTraceHook *th);
+
+LttvTracefileContext *lttv_traceset_context_get_current_tfc(
+ LttvTracesetContext *self);
+
+
+LttvTracesetContextPosition *lttv_traceset_context_position_new();
+
+void lttv_traceset_context_position_save(const LttvTracesetContext *self,
+ LttvTracesetContextPosition *pos);
+
+void lttv_traceset_context_position_destroy(LttvTracesetContextPosition *pos);
+
+void lttv_traceset_context_position_copy(LttvTracesetContextPosition *dest,
+ const LttvTracesetContextPosition *src);
+
+gint lttv_traceset_context_pos_pos_compare(
+ const LttvTracesetContextPosition *pos1,
+ const LttvTracesetContextPosition *pos2);
+
+gint lttv_traceset_context_ctx_pos_compare(const LttvTracesetContext *self,
+ const LttvTracesetContextPosition *pos2);
+
+LttTime lttv_traceset_context_position_get_time(
+ const LttvTracesetContextPosition *pos);
+
+gint compare_tracefile(gconstpointer a, gconstpointer b);
+
+
+/* Synchronisation helpers : save/restore synchronization between ltt traces and
+ * a traceset context. */
+//void lttv_process_traceset_synchronize_tracefiles(LttvTracesetContext *tsc);
+
+//void lttv_process_traceset_get_sync_data(LttvTracesetContext *tsc);