lib: remove unused _NO_SINK graph status

[babeltrace.git] / include / babeltrace / graph / component-class-const.h

diff --git a/include/babeltrace/graph/component-class-const.h b/include/babeltrace/graph/component-class-const.h
index 9cad4c8ef71176309e0d829812bb224015f6433e..be76e85e387a473f74835c36fb4ceaa0e5c1a661 100644 (file)
--- a/include/babeltrace/graph/component-class-const.h
+++ b/include/babeltrace/graph/component-class-const.h
@@ -2,6 +2,7 @@
 #define BABELTRACE_GRAPH_COMPONENT_CLASS_CONST_H
 
 /*
+ * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
  * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
@@ -23,36 +24,39 @@
  * SOFTWARE.
  */
 
-/* For bt_bool */
+/* For bt_bool, bt_component_class */
 #include <babeltrace/types.h>
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-struct bt_component_class;
+typedef enum bt_component_class_status {
+       BT_COMPONENT_CLASS_STATUS_OK = 0,
+       BT_COMPONENT_CLASS_STATUS_NOMEM = -12,
+} bt_component_class_status;
 
-enum bt_component_class_type {
-       BT_COMPONENT_CLASS_TYPE_SOURCE =        0,
-       BT_COMPONENT_CLASS_TYPE_FILTER =        1,
-       BT_COMPONENT_CLASS_TYPE_SINK =          2,
-};
+typedef enum bt_component_class_type {
+       BT_COMPONENT_CLASS_TYPE_SOURCE = 0,
+       BT_COMPONENT_CLASS_TYPE_FILTER = 1,
+       BT_COMPONENT_CLASS_TYPE_SINK = 2,
+} bt_component_class_type;
 
 extern const char *bt_component_class_get_name(
-               const struct bt_component_class *component_class);
+               const bt_component_class *component_class);
 
 extern const char *bt_component_class_get_description(
-               const struct bt_component_class *component_class);
+               const bt_component_class *component_class);
 
 extern const char *bt_component_class_get_help(
-               const struct bt_component_class *component_class);
+               const bt_component_class *component_class);
 
-extern enum bt_component_class_type bt_component_class_get_type(
-               const struct bt_component_class *component_class);
+extern bt_component_class_type bt_component_class_get_type(
+               const bt_component_class *component_class);
 
 static inline
 bt_bool bt_component_class_is_source(
-               const struct bt_component_class *component_class)
+               const bt_component_class *component_class)
 {
        return bt_component_class_get_type(component_class) ==
                BT_COMPONENT_CLASS_TYPE_SOURCE;
@@ -60,7 +64,7 @@ bt_bool bt_component_class_is_source(
 
 static inline
 bt_bool bt_component_class_is_filter(
-               const struct bt_component_class *component_class)
+               const bt_component_class *component_class)
 {
        return bt_component_class_get_type(component_class) ==
                BT_COMPONENT_CLASS_TYPE_FILTER;
@@ -68,12 +72,31 @@ bt_bool bt_component_class_is_filter(
 
 static inline
 bt_bool bt_component_class_is_sink(
-               const struct bt_component_class *component_class)
+               const bt_component_class *component_class)
 {
        return bt_component_class_get_type(component_class) ==
                BT_COMPONENT_CLASS_TYPE_SINK;
 }
 
+extern void bt_component_class_get_ref(
+               const bt_component_class *component_class);
+
+extern void bt_component_class_put_ref(
+               const bt_component_class *component_class);
+
+#define BT_COMPONENT_CLASS_PUT_REF_AND_RESET(_var)     \
+       do {                                            \
+               bt_component_class_put_ref(_var);       \
+               (_var) = NULL;                          \
+       } while (0)
+
+#define BT_COMPONENT_CLASS_MOVE_REF(_var_dst, _var_src)        \
+       do {                                            \
+               bt_component_class_put_ref(_var_dst);   \
+               (_var_dst) = (_var_src);                \
+               (_var_src) = NULL;                      \
+       } while (0)
+
 #ifdef __cplusplus
 }
 #endif