Use inheritance for trace descriptor and positions

[babeltrace.git] / include / babeltrace / format.h

diff --git a/include/babeltrace/format.h b/include/babeltrace/format.h
index 590ab4cb1cca73ef14c14aff98d3e7d45a261b35..cbba50b0ee26e6e3604ad35035720e0f66ff5401 100644 (file)
--- a/include/babeltrace/format.h
+++ b/include/babeltrace/format.h
@@ -24,6 +24,10 @@
 #include <stdio.h>
 #include <glib.h>
 
+/* Parent trace descriptor */
+struct trace_descriptor {
+};
+
 struct format {
        GQuark name;
 
@@ -46,6 +50,11 @@ struct format {
        void (*double_write)(struct stream_pos *pos,
                const struct declaration_float *float_declaration,
                double v);
+       long double (*ldouble_read)(struct stream_pos *pos,
+               const struct declaration_float *float_declaration);
+       void (*ldouble_write)(struct stream_pos *pos,
+               const struct declaration_float *float_declaration,
+               long double v);
 
        void (*string_copy)(struct stream_pos *dest, struct stream_pos *src,
                const struct declaration_string *string_declaration);
@@ -80,6 +89,8 @@ struct format {
                const struct declaration_sequence *sequence_declaration);
        void (*sequence_end)(struct stream_pos *pos,
                const struct declaration_sequence *sequence_declaration);
+       struct trace_descriptor *(*open_trace)(const char *path, int flags);
+       void (*close_trace)(struct trace_descriptor *descriptor);
 };
 
 struct format *bt_lookup_format(GQuark qname);