MI: support double element

[lttng-tools.git] / src / common / config / session-config.h

diff --git a/src/common/config/session-config.h b/src/common/config/session-config.h
index c6439f756fc431c636a4383c589d6d43c929dff0..1a6019fb122ed8fdb00195e29e324b01b8f3f071 100644 (file)
--- a/src/common/config/session-config.h
+++ b/src/common/config/session-config.h
@@ -1,18 +1,8 @@
 /*
- * Copyright (C) 2013 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright (C) 2013 Jérémie Galarneau <jeremie.galarneau@efficios.com>
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License, version 2 only, as
- * published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-only
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 51
- * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #ifndef _CONFIG_H
@@ -85,8 +75,8 @@ int config_parse_value(const char *value);
 /*
  * Create an instance of a configuration writer.
  *
- * fd_output File to which the XML content must be written. The file will be
- * closed once the config_writer has been destroyed.
+ * fd_output File to which the XML content must be written. fd_output is
+ * owned by the caller.
  *
  * indent If other than 0 the XML will be pretty printed
  * with indentation and newline.
@@ -210,6 +200,23 @@ LTTNG_HIDDEN
 int config_writer_write_element_string(struct config_writer *writer,
                const char *element_name, const char *value);
 
+/*
+ * Write an element of type double.
+ *
+ * writer An instance of a configuration 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.
+ */
+LTTNG_HIDDEN
+int config_writer_write_element_double(struct config_writer *writer,
+               const char *element_name,
+               double value);
+
 /*
  * Load session configurations from a file.
  *