X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Flttv%2Flttv%2Fhook.h;h=197184a6d4ce9333be659c31ecb5a5408b0e0add;hb=0bd2f89c122b8ead4c0bec1fbe25956393995622;hp=5d7c26224ceef3b1cb191371cd0cc89cc0de6560;hpb=3f328da102c6dc2fe33e5e1e3e58f8e0161fe822;p=lttv.git

diff --git a/ltt/branches/poly/lttv/lttv/hook.h b/ltt/branches/poly/lttv/lttv/hook.h
index 5d7c2622..197184a6 100644
--- a/ltt/branches/poly/lttv/lttv/hook.h
+++ b/ltt/branches/poly/lttv/lttv/hook.h
@@ -22,6 +22,7 @@
 #define HOOK_H
 
 #include <glib.h>
+#include <ltt/compiler.h>
 
 /* A hook is a function to call with the supplied hook data, and with 
    call site specific data (e.g., hooks for events are called with a 
@@ -92,6 +93,7 @@ void lttv_hooks_get(LttvHooks *h, unsigned i, LttvHook *f, void **hook_data,
 
 
 /* Remove the specified hook. The position of the following hooks may change */
+/* The hook is removed from the list event if its ref_count is higher than 1 */
 
 void lttv_hooks_remove_by_position(LttvHooks *h, unsigned i);
 
@@ -121,8 +123,14 @@ gboolean lttv_hooks_call_check_merge(LttvHooks *h1, void *call_data1,
 /* Sometimes different hooks need to be called based on the case. The
    case is represented by an unsigned integer id */
 
-typedef GPtrArray LttvHooksById;
+typedef struct _LttvHooksById {
+  GPtrArray *index;
+  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 */
 
@@ -143,7 +151,14 @@ unsigned lttv_hooks_by_id_max_id(LttvHooksById *h);
 
 /* Get the list of hooks for an id, NULL if none exists */
 
-LttvHooks *lttv_hooks_by_id_get(LttvHooksById *h, unsigned id);
+static inline LttvHooks *lttv_hooks_by_id_get(LttvHooksById *h, unsigned id)
+{
+  LttvHooks *ret;
+  if(likely(id < h->index->len)) ret = h->index->pdata[id];
+  else ret = NULL;
+
+  return ret;
+}
 
 
 /* Remove the list of hooks associated with an id */