Live: let read API detect inactive streams, allow streams without fd

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

diff --git a/include/babeltrace/types.h b/include/babeltrace/types.h
index 22c6876d5e34195ae14c67f167975637381d6d19..677818b9417b7309ec634e956dfab1f617fad394 100644 (file)
--- a/include/babeltrace/types.h
+++ b/include/babeltrace/types.h
@@ -115,6 +115,11 @@ struct bt_stream_pos {
        rw_dispatch *rw_table;  /* rw dispatch table */
        int (*event_cb)(struct bt_stream_pos *pos,
                        struct ctf_stream_definition *stream);
+       int (*pre_trace_cb)(struct bt_stream_pos *pos,
+                       struct bt_trace_descriptor *trace);
+       int (*post_trace_cb)(struct bt_stream_pos *pos,
+                       struct bt_trace_descriptor *trace);
+       struct bt_trace_descriptor *trace;
 };
 
 static inline
@@ -430,6 +435,10 @@ struct declaration_string *
 char *bt_get_string(const struct bt_definition *field);
 enum ctf_string_encoding bt_get_string_encoding(const struct bt_definition *field);
 
+double bt_get_float(const struct bt_definition *field);
+
+const struct bt_definition *bt_get_variant_field(struct bt_definition *definition);
+
 struct declaration_struct *
        bt_struct_declaration_new(struct declaration_scope *parent_scope,
                               uint64_t min_align);
@@ -448,10 +457,10 @@ struct declaration_field *
 bt_struct_declaration_get_field_from_index(struct declaration_struct *struct_declaration,
                                        int index);
 struct bt_definition *
-bt_struct_definition_get_field_from_index(struct definition_struct *struct_definition,
+bt_struct_definition_get_field_from_index(const struct definition_struct *struct_definition,
                                       int index);
 int bt_struct_rw(struct bt_stream_pos *pos, struct bt_definition *definition);
-uint64_t bt_struct_declaration_len(struct declaration_struct *struct_declaration);
+uint64_t bt_struct_declaration_len(const struct declaration_struct *struct_declaration);
 
 /*
  * The tag enumeration is validated to ensure that it contains only mappings