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[babeltrace.git] / src / lib / graph / component-class.c

diff --git a/src/lib/graph/component-class.c b/src/lib/graph/component-class.c
index 79de19fb07854fd160b76b5af35b4d540cfd0465..516c31f19ab1be814ca80688c87cca4b6a3df239 100644 (file)
--- a/src/lib/graph/component-class.c
+++ b/src/lib/graph/component-class.c
@@ -19,8 +19,9 @@
 #include "lib/func-status.h"
 #include "lib/graph/message-iterator-class.h"
 
-#define BT_ASSERT_PRE_DEV_COMP_CLS_HOT(_cc) \
-       BT_ASSERT_PRE_DEV_HOT(((const struct bt_component_class *) (_cc)), \
+#define BT_ASSERT_PRE_DEV_COMP_CLS_HOT(_cc)                            \
+       BT_ASSERT_PRE_DEV_HOT("component-class",                        \
+               ((const struct bt_component_class *) (_cc)), \
                "Component class", ": %!+C", (_cc))
 
 static
@@ -35,15 +36,17 @@ void destroy_component_class(struct bt_object *obj)
        BT_LIB_LOGI("Destroying component class: %!+C", class);
 
        /* Call destroy listeners in reverse registration order */
-       for (i = class->destroy_listeners->len - 1; i >= 0; i--) {
-               struct bt_component_class_destroy_listener *listener =
-                       &g_array_index(class->destroy_listeners,
-                               struct bt_component_class_destroy_listener,
-                               i);
-
-               BT_LOGD("Calling destroy listener: func-addr=%p, data-addr=%p",
-                       listener->func, listener->data);
-               listener->func(class, listener->data);
+       if (class->destroy_listeners) {
+               for (i = class->destroy_listeners->len - 1; i >= 0; i--) {
+                       struct bt_component_class_destroy_listener *listener =
+                               &g_array_index(class->destroy_listeners,
+                                       struct bt_component_class_destroy_listener,
+                                       i);
+
+                       BT_LOGD("Calling destroy listener: func-addr=%p, data-addr=%p",
+                               listener->func, listener->data);
+                       listener->func(class, listener->data);
+               }
        }
 
        if (class->name) {
@@ -153,6 +156,7 @@ end:
        return ret;
 }
 
+BT_EXPORT
 struct bt_component_class_source *bt_component_class_source_create(
                const char *name,
                struct bt_message_iterator_class *message_iterator_class)
@@ -161,8 +165,8 @@ struct bt_component_class_source *bt_component_class_source_create(
        int ret;
 
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(name, "Name");
-       BT_ASSERT_PRE_NON_NULL(message_iterator_class, "Message iterator class");
+       BT_ASSERT_PRE_NAME_NON_NULL(name);
+       BT_ASSERT_PRE_MSG_ITER_CLS_NON_NULL(message_iterator_class);
        BT_LIB_LOGI("Creating source component class: "
                "name=\"%s\", %![msg-iter-cls-]+I",
                name, message_iterator_class);
@@ -192,6 +196,7 @@ end:
        return (void *) source_class;
 }
 
+BT_EXPORT
 struct bt_component_class_filter *bt_component_class_filter_create(
                const char *name,
                struct bt_message_iterator_class *message_iterator_class)
@@ -200,8 +205,8 @@ struct bt_component_class_filter *bt_component_class_filter_create(
        int ret;
 
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(name, "Name");
-       BT_ASSERT_PRE_NON_NULL(message_iterator_class, "Message iterator class");
+       BT_ASSERT_PRE_NAME_NON_NULL(name);
+       BT_ASSERT_PRE_MSG_ITER_CLS_NON_NULL(message_iterator_class);
        BT_LIB_LOGI("Creating filter component class: "
                "name=\"%s\", %![msg-iter-cls-]+I",
                name, message_iterator_class);
@@ -231,6 +236,7 @@ end:
        return (void *) filter_class;
 }
 
+BT_EXPORT
 struct bt_component_class_sink *bt_component_class_sink_create(
                const char *name, bt_component_class_sink_consume_method method)
 {
@@ -238,8 +244,8 @@ struct bt_component_class_sink *bt_component_class_sink_create(
        int ret;
 
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(name, "Name");
-       BT_ASSERT_PRE_NON_NULL(method, "Consume next method");
+       BT_ASSERT_PRE_NAME_NON_NULL(name);
+       BT_ASSERT_PRE_NON_NULL("consume-method", method, "Consume next method");
        BT_LOGI("Creating sink component class: "
                "name=\"%s\", consume-method-addr=%p",
                name, method);
@@ -270,14 +276,15 @@ end:
        return (void *) sink_class;
 }
 
+BT_EXPORT
 enum bt_component_class_set_method_status
 bt_component_class_source_set_get_supported_mip_versions_method(
                struct bt_component_class_source *comp_cls,
                bt_component_class_source_get_supported_mip_versions_method method)
 {
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
-       BT_ASSERT_PRE_NON_NULL(method, "Method");
+       BT_ASSERT_PRE_COMP_CLS_NON_NULL(comp_cls);
+       BT_ASSERT_PRE_METHOD_NON_NULL(method);
        BT_ASSERT_PRE_DEV_COMP_CLS_HOT(comp_cls);
        comp_cls->methods.get_supported_mip_versions = method;
        BT_LIB_LOGD("Set source component class's \"get supported MIP versions\" method: "
@@ -285,14 +292,15 @@ bt_component_class_source_set_get_supported_mip_versions_method(
        return BT_FUNC_STATUS_OK;
 }
 
+BT_EXPORT
 enum bt_component_class_set_method_status
 bt_component_class_filter_set_get_supported_mip_versions_method(
                struct bt_component_class_filter *comp_cls,
                bt_component_class_filter_get_supported_mip_versions_method method)
 {
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
-       BT_ASSERT_PRE_NON_NULL(method, "Method");
+       BT_ASSERT_PRE_COMP_CLS_NON_NULL(comp_cls);
+       BT_ASSERT_PRE_METHOD_NON_NULL(method);
        BT_ASSERT_PRE_DEV_COMP_CLS_HOT(comp_cls);
        comp_cls->methods.get_supported_mip_versions = method;
        BT_LIB_LOGD("Set filter component class's \"get supported MIP versions\" method: "
@@ -300,14 +308,15 @@ bt_component_class_filter_set_get_supported_mip_versions_method(
        return BT_FUNC_STATUS_OK;
 }
 
+BT_EXPORT
 enum bt_component_class_set_method_status
 bt_component_class_sink_set_get_supported_mip_versions_method(
                struct bt_component_class_sink *comp_cls,
                bt_component_class_sink_get_supported_mip_versions_method method)
 {
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
-       BT_ASSERT_PRE_NON_NULL(method, "Method");
+       BT_ASSERT_PRE_COMP_CLS_NON_NULL(comp_cls);
+       BT_ASSERT_PRE_METHOD_NON_NULL(method);
        BT_ASSERT_PRE_DEV_COMP_CLS_HOT(comp_cls);
        comp_cls->methods.get_supported_mip_versions = method;
        BT_LIB_LOGD("Set sink component class's \"get supported MIP versions\" method: "
@@ -315,14 +324,15 @@ bt_component_class_sink_set_get_supported_mip_versions_method(
        return BT_FUNC_STATUS_OK;
 }
 
+BT_EXPORT
 enum bt_component_class_set_method_status
 bt_component_class_source_set_initialize_method(
                struct bt_component_class_source *comp_cls,
                bt_component_class_source_initialize_method method)
 {
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
-       BT_ASSERT_PRE_NON_NULL(method, "Method");
+       BT_ASSERT_PRE_COMP_CLS_NON_NULL(comp_cls);
+       BT_ASSERT_PRE_METHOD_NON_NULL(method);
        BT_ASSERT_PRE_DEV_COMP_CLS_HOT(comp_cls);
        comp_cls->methods.init = method;
        BT_LIB_LOGD("Set source component class's initialization method: "
@@ -330,14 +340,15 @@ bt_component_class_source_set_initialize_method(
        return BT_FUNC_STATUS_OK;
 }
 
+BT_EXPORT
 enum bt_component_class_set_method_status
 bt_component_class_filter_set_initialize_method(
                struct bt_component_class_filter *comp_cls,
                bt_component_class_filter_initialize_method method)
 {
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
-       BT_ASSERT_PRE_NON_NULL(method, "Method");
+       BT_ASSERT_PRE_COMP_CLS_NON_NULL(comp_cls);
+       BT_ASSERT_PRE_METHOD_NON_NULL(method);
        BT_ASSERT_PRE_DEV_COMP_CLS_HOT(comp_cls);
        comp_cls->methods.init = method;
        BT_LIB_LOGD("Set filter component class's initialization method: "
@@ -345,14 +356,15 @@ bt_component_class_filter_set_initialize_method(
        return BT_FUNC_STATUS_OK;
 }
 
+BT_EXPORT
 enum bt_component_class_set_method_status
 bt_component_class_sink_set_initialize_method(
                struct bt_component_class_sink *comp_cls,
                bt_component_class_sink_initialize_method method)
 {
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
-       BT_ASSERT_PRE_NON_NULL(method, "Method");
+       BT_ASSERT_PRE_COMP_CLS_NON_NULL(comp_cls);
+       BT_ASSERT_PRE_METHOD_NON_NULL(method);
        BT_ASSERT_PRE_DEV_COMP_CLS_HOT(comp_cls);
        comp_cls->methods.init = method;
        BT_LIB_LOGD("Set sink component class's initialization method: "
@@ -360,14 +372,15 @@ bt_component_class_sink_set_initialize_method(
        return BT_FUNC_STATUS_OK;
 }
 
+BT_EXPORT
 enum bt_component_class_set_method_status
 bt_component_class_source_set_finalize_method(
                struct bt_component_class_source *comp_cls,
                bt_component_class_source_finalize_method method)
 {
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
-       BT_ASSERT_PRE_NON_NULL(method, "Method");
+       BT_ASSERT_PRE_COMP_CLS_NON_NULL(comp_cls);
+       BT_ASSERT_PRE_METHOD_NON_NULL(method);
        BT_ASSERT_PRE_DEV_COMP_CLS_HOT(comp_cls);
        comp_cls->methods.finalize = method;
        BT_LIB_LOGD("Set source component class's finalization method: "
@@ -375,14 +388,15 @@ bt_component_class_source_set_finalize_method(
        return BT_FUNC_STATUS_OK;
 }
 
+BT_EXPORT
 enum bt_component_class_set_method_status
 bt_component_class_filter_set_finalize_method(
                struct bt_component_class_filter *comp_cls,
                bt_component_class_filter_finalize_method method)
 {
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
-       BT_ASSERT_PRE_NON_NULL(method, "Method");
+       BT_ASSERT_PRE_COMP_CLS_NON_NULL(comp_cls);
+       BT_ASSERT_PRE_METHOD_NON_NULL(method);
        BT_ASSERT_PRE_DEV_COMP_CLS_HOT(comp_cls);
        comp_cls->methods.finalize = method;
        BT_LIB_LOGD("Set filter component class's finalization method: "
@@ -390,14 +404,15 @@ bt_component_class_filter_set_finalize_method(
        return BT_FUNC_STATUS_OK;
 }
 
+BT_EXPORT
 enum bt_component_class_set_method_status
 bt_component_class_sink_set_finalize_method(
                struct bt_component_class_sink *comp_cls,
                bt_component_class_sink_finalize_method method)
 {
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
-       BT_ASSERT_PRE_NON_NULL(method, "Method");
+       BT_ASSERT_PRE_COMP_CLS_NON_NULL(comp_cls);
+       BT_ASSERT_PRE_METHOD_NON_NULL(method);
        BT_ASSERT_PRE_DEV_COMP_CLS_HOT(comp_cls);
        comp_cls->methods.finalize = method;
        BT_LIB_LOGD("Set sink component class's finalization method: "
@@ -405,14 +420,15 @@ bt_component_class_sink_set_finalize_method(
        return BT_FUNC_STATUS_OK;
 }
 
+BT_EXPORT
 enum bt_component_class_set_method_status
 bt_component_class_source_set_query_method(
                struct bt_component_class_source *comp_cls,
                bt_component_class_source_query_method method)
 {
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
-       BT_ASSERT_PRE_NON_NULL(method, "Method");
+       BT_ASSERT_PRE_COMP_CLS_NON_NULL(comp_cls);
+       BT_ASSERT_PRE_METHOD_NON_NULL(method);
        BT_ASSERT_PRE_DEV_COMP_CLS_HOT(comp_cls);
        comp_cls->methods.query = method;
        BT_LIB_LOGD("Set source component class's query method: "
@@ -420,14 +436,15 @@ bt_component_class_source_set_query_method(
        return BT_FUNC_STATUS_OK;
 }
 
+BT_EXPORT
 enum bt_component_class_set_method_status
 bt_component_class_filter_set_query_method(
                struct bt_component_class_filter *comp_cls,
                bt_component_class_filter_query_method method)
 {
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
-       BT_ASSERT_PRE_NON_NULL(method, "Method");
+       BT_ASSERT_PRE_COMP_CLS_NON_NULL(comp_cls);
+       BT_ASSERT_PRE_METHOD_NON_NULL(method);
        BT_ASSERT_PRE_DEV_COMP_CLS_HOT(comp_cls);
        comp_cls->methods.query = method;
        BT_LIB_LOGD("Set filter component class's query method: "
@@ -435,14 +452,15 @@ bt_component_class_filter_set_query_method(
        return BT_FUNC_STATUS_OK;
 }
 
+BT_EXPORT
 enum bt_component_class_set_method_status
 bt_component_class_sink_set_query_method(
                struct bt_component_class_sink *comp_cls,
                bt_component_class_sink_query_method method)
 {
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
-       BT_ASSERT_PRE_NON_NULL(method, "Method");
+       BT_ASSERT_PRE_COMP_CLS_NON_NULL(comp_cls);
+       BT_ASSERT_PRE_METHOD_NON_NULL(method);
        BT_ASSERT_PRE_DEV_COMP_CLS_HOT(comp_cls);
        comp_cls->methods.query = method;
        BT_LIB_LOGD("Set sink component class's query method: "
@@ -450,14 +468,15 @@ bt_component_class_sink_set_query_method(
        return BT_FUNC_STATUS_OK;
 }
 
+BT_EXPORT
 enum bt_component_class_set_method_status
 bt_component_class_filter_set_input_port_connected_method(
                struct bt_component_class_filter *comp_cls,
                bt_component_class_filter_input_port_connected_method method)
 {
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
-       BT_ASSERT_PRE_NON_NULL(method, "Method");
+       BT_ASSERT_PRE_COMP_CLS_NON_NULL(comp_cls);
+       BT_ASSERT_PRE_METHOD_NON_NULL(method);
        BT_ASSERT_PRE_DEV_COMP_CLS_HOT(comp_cls);
        comp_cls->methods.input_port_connected = method;
        BT_LIB_LOGD("Set filter component class's \"input port connected\" method"
@@ -465,14 +484,15 @@ bt_component_class_filter_set_input_port_connected_method(
        return BT_FUNC_STATUS_OK;
 }
 
+BT_EXPORT
 enum bt_component_class_set_method_status
 bt_component_class_sink_set_input_port_connected_method(
                struct bt_component_class_sink *comp_cls,
                bt_component_class_sink_input_port_connected_method method)
 {
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
-       BT_ASSERT_PRE_NON_NULL(method, "Method");
+       BT_ASSERT_PRE_COMP_CLS_NON_NULL(comp_cls);
+       BT_ASSERT_PRE_METHOD_NON_NULL(method);
        BT_ASSERT_PRE_DEV_COMP_CLS_HOT(comp_cls);
        comp_cls->methods.input_port_connected = method;
        BT_LIB_LOGD("Set sink component class's \"input port connected\" method"
@@ -480,14 +500,15 @@ bt_component_class_sink_set_input_port_connected_method(
        return BT_FUNC_STATUS_OK;
 }
 
+BT_EXPORT
 enum bt_component_class_set_method_status
 bt_component_class_source_set_output_port_connected_method(
                struct bt_component_class_source *comp_cls,
                bt_component_class_source_output_port_connected_method method)
 {
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
-       BT_ASSERT_PRE_NON_NULL(method, "Method");
+       BT_ASSERT_PRE_COMP_CLS_NON_NULL(comp_cls);
+       BT_ASSERT_PRE_METHOD_NON_NULL(method);
        BT_ASSERT_PRE_DEV_COMP_CLS_HOT(comp_cls);
        comp_cls->methods.output_port_connected = method;
        BT_LIB_LOGD("Set source component class's \"output port connected\" method"
@@ -495,14 +516,15 @@ bt_component_class_source_set_output_port_connected_method(
        return BT_FUNC_STATUS_OK;
 }
 
+BT_EXPORT
 enum bt_component_class_set_method_status
 bt_component_class_filter_set_output_port_connected_method(
                struct bt_component_class_filter *comp_cls,
                bt_component_class_filter_output_port_connected_method method)
 {
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
-       BT_ASSERT_PRE_NON_NULL(method, "Method");
+       BT_ASSERT_PRE_COMP_CLS_NON_NULL(comp_cls);
+       BT_ASSERT_PRE_METHOD_NON_NULL(method);
        BT_ASSERT_PRE_DEV_COMP_CLS_HOT(comp_cls);
        comp_cls->methods.output_port_connected = method;
        BT_LIB_LOGD("Set filter component class's \"output port connected\" method"
@@ -510,14 +532,15 @@ bt_component_class_filter_set_output_port_connected_method(
        return BT_FUNC_STATUS_OK;
 }
 
+BT_EXPORT
 enum bt_component_class_set_method_status
 bt_component_class_sink_set_graph_is_configured_method(
                struct bt_component_class_sink *comp_cls,
                bt_component_class_sink_graph_is_configured_method method)
 {
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
-       BT_ASSERT_PRE_NON_NULL(method, "Method");
+       BT_ASSERT_PRE_COMP_CLS_NON_NULL(comp_cls);
+       BT_ASSERT_PRE_METHOD_NON_NULL(method);
        BT_ASSERT_PRE_DEV_COMP_CLS_HOT(comp_cls);
        comp_cls->methods.graph_is_configured = method;
        BT_LIB_LOGD("Set sink component class's \"graph is configured\" method"
@@ -525,68 +548,73 @@ bt_component_class_sink_set_graph_is_configured_method(
        return BT_FUNC_STATUS_OK;
 }
 
+BT_EXPORT
 enum bt_component_class_set_description_status
 bt_component_class_set_description(
                struct bt_component_class *comp_cls,
                const char *description)
 {
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
-       BT_ASSERT_PRE_NON_NULL(description, "Description");
+       BT_ASSERT_PRE_COMP_CLS_NON_NULL(comp_cls);
+       BT_ASSERT_PRE_DESCR_NON_NULL(description);
        BT_ASSERT_PRE_DEV_COMP_CLS_HOT(comp_cls);
        g_string_assign(comp_cls->description, description);
        BT_LIB_LOGD("Set component class's description: "
                "addr=%p, name=\"%s\", type=%s",
                comp_cls,
                bt_component_class_get_name(comp_cls),
-               bt_component_class_type_string(comp_cls->type));
+               bt_common_component_class_type_string(comp_cls->type));
        return BT_FUNC_STATUS_OK;
 }
 
+BT_EXPORT
 enum bt_component_class_set_help_status bt_component_class_set_help(
                struct bt_component_class *comp_cls,
                const char *help)
 {
        BT_ASSERT_PRE_NO_ERROR();
-       BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
-       BT_ASSERT_PRE_NON_NULL(help, "Help");
+       BT_ASSERT_PRE_COMP_CLS_NON_NULL(comp_cls);
+       BT_ASSERT_PRE_NON_NULL("help-text", help, "Help text");
        BT_ASSERT_PRE_DEV_COMP_CLS_HOT(comp_cls);
        g_string_assign(comp_cls->help, help);
        BT_LIB_LOGD("Set component class's help text: %!+C", comp_cls);
        return BT_FUNC_STATUS_OK;
 }
 
+BT_EXPORT
 const char *bt_component_class_get_name(const struct bt_component_class *comp_cls)
 {
-       BT_ASSERT_PRE_DEV_NON_NULL(comp_cls, "Component class");
+       BT_ASSERT_PRE_DEV_COMP_CLS_NON_NULL(comp_cls);
        return comp_cls->name->str;
 }
 
+BT_EXPORT
 enum bt_component_class_type bt_component_class_get_type(
                const struct bt_component_class *comp_cls)
 {
-       BT_ASSERT_PRE_DEV_NON_NULL(comp_cls, "Component class");
+       BT_ASSERT_PRE_DEV_COMP_CLS_NON_NULL(comp_cls);
        return comp_cls->type;
 }
 
+BT_EXPORT
 const char *bt_component_class_get_description(
                const struct bt_component_class *comp_cls)
 {
-       BT_ASSERT_PRE_DEV_NON_NULL(comp_cls, "Component class");
+       BT_ASSERT_PRE_DEV_COMP_CLS_NON_NULL(comp_cls);
        return comp_cls->description &&
                comp_cls->description->str[0] != '\0' ?
                comp_cls->description->str : NULL;
 }
 
+BT_EXPORT
 const char *bt_component_class_get_help(
                const struct bt_component_class *comp_cls)
 {
-       BT_ASSERT_PRE_DEV_NON_NULL(comp_cls, "Component class");
+       BT_ASSERT_PRE_DEV_COMP_CLS_NON_NULL(comp_cls);
        return comp_cls->help &&
                comp_cls->help->str[0] != '\0' ? comp_cls->help->str : NULL;
 }
 
-BT_HIDDEN
 void bt_component_class_add_destroy_listener(
                struct bt_component_class *comp_cls,
                bt_component_class_destroy_listener_func func, void *data)
@@ -602,7 +630,6 @@ void bt_component_class_add_destroy_listener(
                "%![cc-]+C, listener-func-addr=%p", comp_cls, func);
 }
 
-BT_HIDDEN
 void _bt_component_class_freeze(const struct bt_component_class *comp_cls)
 {
        BT_ASSERT(comp_cls);
@@ -610,48 +637,56 @@ void _bt_component_class_freeze(const struct bt_component_class *comp_cls)
        ((struct bt_component_class *) comp_cls)->frozen = true;
 }
 
+BT_EXPORT
 void bt_component_class_get_ref(
                const struct bt_component_class *component_class)
 {
        bt_object_get_ref(component_class);
 }
 
+BT_EXPORT
 void bt_component_class_put_ref(
                const struct bt_component_class *component_class)
 {
        bt_object_put_ref(component_class);
 }
 
+BT_EXPORT
 void bt_component_class_source_get_ref(
                const struct bt_component_class_source *component_class_source)
 {
        bt_object_get_ref(component_class_source);
 }
 
+BT_EXPORT
 void bt_component_class_source_put_ref(
                const struct bt_component_class_source *component_class_source)
 {
        bt_object_put_ref(component_class_source);
 }
 
+BT_EXPORT
 void bt_component_class_filter_get_ref(
                const struct bt_component_class_filter *component_class_filter)
 {
        bt_object_get_ref(component_class_filter);
 }
 
+BT_EXPORT
 void bt_component_class_filter_put_ref(
                const struct bt_component_class_filter *component_class_filter)
 {
        bt_object_put_ref(component_class_filter);
 }
 
+BT_EXPORT
 void bt_component_class_sink_get_ref(
                const struct bt_component_class_sink *component_class_sink)
 {
        bt_object_get_ref(component_class_sink);
 }
 
+BT_EXPORT
 void bt_component_class_sink_put_ref(
                const struct bt_component_class_sink *component_class_sink)
 {