X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Flttv%2Flttv%2Fhook.h;h=197184a6d4ce9333be659c31ecb5a5408b0e0add;hb=1caf96c1c6694cce9ba58f5582de62572781494b;hp=b62ddcfc8bded1e28796d471a19292dc5f9f9772;hpb=9d239bd92ef3198e80333c703f3ab8ff8cdaeaf7;p=lttv.git

diff --git a/ltt/branches/poly/lttv/lttv/hook.h b/ltt/branches/poly/lttv/lttv/hook.h
index b62ddcfc..197184a6 100644
--- a/ltt/branches/poly/lttv/lttv/hook.h
+++ b/ltt/branches/poly/lttv/lttv/hook.h
@@ -128,6 +128,9 @@ typedef struct _LttvHooksById {
   GArray *array;
 } LttvHooksById;
 
+/* macro to calculate the hook ID of a facility/event pair. */
+#define GET_HOOK_ID(fac_id, ev_id) \
+  ( (guint)fac_id | ((guint)ev_id << FACILITIES_BITS) )
 
 /* Create and destroy a hooks by id list */