+
+ if (stream_class->clock_class &&
+ stream_class->clock_class !=
+ stream_class->clock->clock_class) {
+ /*
+ * Stream class already has an expected clock
+ * class, but it does not match its clock's
+ * class.
+ */
+ BT_LOGW("Invalid parameter: stream class's clock's "
+ "class does not match stream class's "
+ "expected clock class: "
+ "stream-class-addr=%p, "
+ "stream-class-id=%" PRId64 ", "
+ "stream-class-name=\"%s\", "
+ "expected-clock-class-addr=%p, "
+ "expected-clock-class-name=\"%s\"",
+ stream_class,
+ bt_stream_class_get_id(stream_class),
+ bt_stream_class_get_name(stream_class),
+ expected_clock_class,
+ bt_clock_class_get_name(expected_clock_class));
+ } else if (!stream_class->clock_class) {
+ /*
+ * Set expected clock class to stream class's
+ * clock's class.
+ */
+ expected_clock_class =
+ bt_get(stream_class->clock->clock_class);
+ }
+ }
+
+ if (!stream_class->frozen) {
+ /*
+ * Stream class is not frozen yet. Validate that the
+ * stream class contains at most a single clock class
+ * because the previous
+ * bt_stream_class_add_event_class() calls did not make
+ * this validation since the stream class's direct field
+ * types (packet context, event header, event context)
+ * could change afterwards. This stream class is about
+ * to be frozen and those field types won't be changed
+ * if this function succeeds.
+ *
+ * At this point we're also sure that the stream class's
+ * clock, if any, has the same class as the stream
+ * class's expected clock class, if any. This is why, if
+ * bt_stream_class_validate_single_clock_class()
+ * succeeds below, the call to
+ * bt_stream_class_map_clock_class() at the end of this
+ * function is safe because it maps to the same, single
+ * clock class.
+ */
+ ret = bt_stream_class_validate_single_clock_class(stream_class,
+ &expected_clock_class);
+ if (ret) {
+ BT_LOGW("Invalid parameter: stream class or one of its "
+ "event classes contains a field type which is "
+ "not recursively mapped to the expected "
+ "clock class: "
+ "stream-class-addr=%p, "
+ "stream-class-id=%" PRId64 ", "
+ "stream-class-name=\"%s\", "
+ "expected-clock-class-addr=%p, "
+ "expected-clock-class-name=\"%s\"",
+ stream_class, bt_stream_class_get_id(stream_class),
+ bt_stream_class_get_name(stream_class),
+ expected_clock_class,
+ expected_clock_class ?
+ bt_clock_class_get_name(expected_clock_class) :
+ NULL);
+ goto end;
+ }