#define BABELTRACE_TRACE_IR_TRACE_CONST_H
/*
+ * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
* Copyright 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
- * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* http://www.efficios.com/ctf
*/
-/* For bt_bool, bt_uuid */
+/*
+ * For bt_bool, bt_uuid, bt_trace, bt_stream, bt_stream_class,
+ * bt_field_class, bt_value
+ */
#include <babeltrace/types.h>
#include <stdint.h>
extern "C" {
#endif
-struct bt_trace;
-struct bt_stream;
-struct bt_stream_class;
-struct bt_field_class;
-struct bt_value;
+typedef enum bt_trace_status {
+ BT_TRACE_STATUS_OK = 0,
+ BT_TRACE_STATUS_NOMEM = -12,
+} bt_trace_status;
+
+typedef void (* bt_trace_destruction_listener_func)(
+ const bt_trace *trace, void *data);
+
+extern const bt_trace_class *bt_trace_borrow_class_const(
+ const bt_trace *trace);
-typedef void (* bt_trace_is_static_listener_func)(const struct bt_trace *trace,
- void *data);
+extern const char *bt_trace_get_name(const bt_trace *trace);
-typedef void (* bt_trace_listener_removed_func)(const struct bt_trace *trace,
- void *data);
+extern uint64_t bt_trace_get_stream_count(const bt_trace *trace);
-extern const struct bt_trace_class *bt_trace_borrow_class_const(
- const struct bt_trace *trace);
+extern const bt_stream *bt_trace_borrow_stream_by_index_const(
+ const bt_trace *trace, uint64_t index);
-extern const char *bt_trace_get_name(const struct bt_trace *trace);
+extern const bt_stream *bt_trace_borrow_stream_by_id_const(
+ const bt_trace *trace, uint64_t id);
-extern uint64_t bt_trace_get_stream_count(const struct bt_trace *trace);
+extern bt_trace_status bt_trace_add_destruction_listener(
+ const bt_trace *trace,
+ bt_trace_destruction_listener_func listener,
+ void *data, uint64_t *listener_id);
-extern const struct bt_stream *bt_trace_borrow_stream_by_index_const(
- const struct bt_trace *trace, uint64_t index);
+extern bt_trace_status bt_trace_remove_destruction_listener(
+ const bt_trace *trace, uint64_t listener_id);
-extern const struct bt_stream *bt_trace_borrow_stream_by_id_const(
- const struct bt_trace *trace, uint64_t id);
+extern void bt_trace_get_ref(const bt_trace *trace);
-extern bt_bool bt_trace_is_static(const struct bt_trace *trace);
+extern void bt_trace_put_ref(const bt_trace *trace);
-extern int bt_trace_add_is_static_listener(const struct bt_trace *trace,
- bt_trace_is_static_listener_func listener,
- bt_trace_listener_removed_func listener_removed, void *data,
- uint64_t *listener_id);
+#define BT_TRACE_PUT_REF_AND_RESET(_var) \
+ do { \
+ bt_trace_put_ref(_var); \
+ (_var) = NULL; \
+ } while (0)
-extern int bt_trace_remove_is_static_listener(const struct bt_trace *trace,
- uint64_t listener_id);
+#define BT_TRACE_MOVE_REF(_var_dst, _var_src) \
+ do { \
+ bt_trace_put_ref(_var_dst); \
+ (_var_dst) = (_var_src); \
+ (_var_src) = NULL; \
+ } while (0)
#ifdef __cplusplus
}