MI: support double element

[lttng-tools.git] / src / common / mi-lttng.h

diff --git a/src/common/mi-lttng.h b/src/common/mi-lttng.h
index 9c985f6bbe68a720ed867fe96a07d59f07ee845b..ad92832368e8d4d35c6d21da878f457b3453483e 100644 (file)
--- a/src/common/mi-lttng.h
+++ b/src/common/mi-lttng.h
@@ -353,6 +353,20 @@ int mi_lttng_writer_write_element_bool(struct mi_writer *writer,
 int mi_lttng_writer_write_element_string(struct mi_writer *writer,
                const char *element_name, const char *value);
 
+/*
+ * Write an element of type double.
+ *
+ * writer An instance of a machine interface writer.
+ * element_name Element name.
+ * value Double value of the element.
+ *
+ * Returns zero if the element's value could be written.
+ * Negative values indicate an error.
+ */
+int mi_lttng_writer_write_element_double(struct mi_writer *writer,
+               const char *element_name,
+               double value);
+
 /*
  * Machine interface of struct version.
  *