X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Fltt%2Ftrace.h;h=448ea7975941c7c33dc8093bda8ef02c980e272c;hb=51b5991eead370ec64ad5336d1e6126ba6b2cc10;hp=42fff96ff8f7f19bdaab9a8048ad104d66af87a9;hpb=04b44e05c17a54fcb7e2cccf5c10a4edf8c7fd5c;p=lttv.git

diff --git a/ltt/branches/poly/ltt/trace.h b/ltt/branches/poly/ltt/trace.h
index 42fff96f..448ea797 100644
--- a/ltt/branches/poly/ltt/trace.h
+++ b/ltt/branches/poly/ltt/trace.h
@@ -26,11 +26,18 @@
    descriptions...).
 
    When a trace is closed, all the associated facilities, types and fields
-   are released as well. */
+   are released as well. 
+   
+   return value is NULL if there is an error when opening the trace.
+   
+   */
 
 LttTrace *ltt_trace_open(const char *pathname);
 
-/* copy reopens a trace */
+/* copy reopens a trace 
+ *
+ * return value NULL if error while opening the trace 
+ */
 LttTrace *ltt_trace_copy(LttTrace *self);
 
 char * ltt_trace_name(LttTrace *t);
@@ -78,13 +85,15 @@ unsigned ltt_trace_control_tracefile_number(LttTrace *t);
 unsigned ltt_trace_per_cpu_tracefile_number(LttTrace *t);
 
 
-/* It is possible to search for the tracefiles by name or by CPU position.
-   The index within the tracefiles of the same type is returned if found
-   and a negative value otherwise. */
+/* It is possible to search for the tracefiles by name or by CPU tracefile
+ * name.
+ * The index within the tracefiles of the same type is returned if found
+ * and a negative value otherwise.
+ */
 
-int ltt_trace_control_tracefile_find(LttTrace *t, char *name);
+int ltt_trace_control_tracefile_find(LttTrace *t, const gchar *name);
 
-int ltt_trace_per_cpu_tracefile_find(LttTrace *t, unsigned i);
+int ltt_trace_per_cpu_tracefile_find(LttTrace *t, const gchar *name);
 
 
 /* Get a specific tracefile */
@@ -120,7 +129,7 @@ void ltt_tracefile_seek_position(LttTracefile *t,
 
 /* Read the next event */
 
-LttEvent *ltt_tracefile_read(LttTracefile *t);
+LttEvent *ltt_tracefile_read(LttTracefile *t, LttEvent *event);
 
 /* open tracefile */
 
@@ -128,7 +137,7 @@ LttTracefile * ltt_tracefile_open(LttTrace *t, char * tracefile_name);
 
 void ltt_tracefile_open_cpu(LttTrace *t, char * tracefile_name);
 
-void ltt_tracefile_open_control(LttTrace *t, char * control_name);
+gint ltt_tracefile_open_control(LttTrace *t, char * control_name);
 
 
 /* obtain the time of an event */
@@ -164,4 +173,10 @@ char * ltt_trace_system_description_description (LttSystemDescription * s);
 
 LttTime ltt_trace_system_description_trace_start_time(LttSystemDescription *s);
 
+/* copy tracefile info over another. Used for sync. */
+LttTracefile *ltt_tracefile_new();
+void ltt_tracefile_destroy(LttTracefile *tf);
+void ltt_tracefile_copy(LttTracefile *dest, const LttTracefile *src);
+
+
 #endif // TRACE_H