state.c hooks almost there

[lttv.git] / ltt / branches / poly / lttv / lttv / tracecontext.h

diff --git a/ltt/branches/poly/lttv/lttv/tracecontext.h b/ltt/branches/poly/lttv/lttv/tracecontext.h
index eb9e15bec9222b092712aed1b87f475db7c4070c..dacd4d0febe72643aef9225fb3cd484f54d129bc 100644 (file)
--- a/ltt/branches/poly/lttv/lttv/tracecontext.h
+++ b/ltt/branches/poly/lttv/lttv/tracecontext.h
@@ -285,7 +285,8 @@ typedef struct _LttvTraceHook {
  */
 struct marker_info *lttv_trace_hook_get_marker(LttTrace *t, LttvTraceHook *th);
 
-void lttv_trace_hook_destroy(GArray *th);
+/* Remove the hooks from the array. Does not free the array itself. */
+void lttv_trace_hook_remove_all(GArray **th);
 
 /* Search in the trace for the id of the named event type within the named
    facility. Then, find the three (if non null) named fields. All that
@@ -293,11 +294,14 @@ void lttv_trace_hook_destroy(GArray *th);
    is useful to find the specific id for an event within a trace, for
    registering a hook using this structure as event data;
    it already contains the (up to three) needed fields handles.
-   Returns an array of LttvTraceHook, or NULL on error.
+   Returns the modified LttvTraceHook array.
+   Prints warnings if events or markers are not found. returns 1 on error,
+   0 on success.
+   Adds the hooks to the trace_hooks array.
  */
 
-GArray *lttv_trace_find_hook(LttTrace *t, GQuark marker_name,
-    GQuark fields[], LttvHook h, gpointer hook_data);
+int lttv_trace_find_hook(LttTrace *t, GQuark marker_name,
+    GQuark fields[], LttvHook h, gpointer hook_data, GArray **trace_hooks);
 
 LttvTracefileContext *lttv_traceset_context_get_current_tfc(
                              LttvTracesetContext *self);