X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=include%2Fbabeltrace%2Ftrace-handle.h;h=f0e23125d1a86511bfc3e9b3efba015702c31ead;hp=d188cb70f8367eefa6dab74be5842dc9c4e5d6f4;hb=474150688a81e2bc487aaa9932af6a0585e5fb79;hpb=e3d12cf93f067601df4179ef4b7e2a30aa0065f7

diff --git a/include/babeltrace/trace-handle.h b/include/babeltrace/trace-handle.h
index d188cb70..f0e23125 100644
--- a/include/babeltrace/trace-handle.h
+++ b/include/babeltrace/trace-handle.h
@@ -23,6 +23,7 @@
  */
 
 #include <stdint.h>
+#include <babeltrace/clock-types.h>
 
 /*
  * trace_handle : unique identifier of a trace
@@ -31,22 +32,35 @@
  * It is a unique identifier representing a trace file.
  */
 struct bt_trace_handle;
+struct bt_ctf_event;
 
 /*
- * bt_trace_handle_get_path : returns the path of a trace_handle.
+ * bt_trace_handle_get_path : returns the path of a trace_handle or NULL
+ * on error.
  */
 const char *bt_trace_handle_get_path(struct bt_context *ctx, int handle_id);
 
 /*
- * bt_trace_handle_get_timestamp_begin : returns the beginning timestamp
- * of a trace.
+ * bt_trace_handle_get_timestamp_begin : returns the creation time (in
+ * nanoseconds or cycles depending on type) of the buffers of a trace
+ * or -1ULL on error.
  */
-uint64_t bt_trace_handle_get_timestamp_begin(struct bt_context *ctx, int handle_id);
+uint64_t bt_trace_handle_get_timestamp_begin(struct bt_context *ctx,
+		int handle_id, enum bt_clock_type type);
 
 /*
- * bt_trace_handle_get_timestamp_end : returns the end timestamp of a
- * trace.
+ * bt_trace_handle_get_timestamp_end : returns the destruction timestamp
+ * (in anoseconds or cycles depending on type) of the buffers of a trace
+ * or -1ULL on error.
  */
-uint64_t bt_trace_handle_get_timestamp_end(struct bt_context *ctx, int handle_id);
+uint64_t bt_trace_handle_get_timestamp_end(struct bt_context *ctx,
+		int handle_id, enum bt_clock_type type);
+
+/*
+ * bt_ctf_event_get_handle_id : get the handle id associated with an event
+ *
+ * Returns -1 on error
+ */
+int bt_ctf_event_get_handle_id(const struct bt_ctf_event *event);
 
 #endif /* _BABELTRACE_TRACE_HANDLE_H */