*
* @retval #RUNTIME_INFO_ERROR_NONE Successful
* @retval #RUNTIME_INFO_ERROR_INVALID_PARAMETER Invalid parameter
- * @retval #RUNTIME_INFO_ERROR_PERMISSION_DENIED Permission denied
+ * @retval #RUNTIME_INFO_ERROR_OUT_OF_MEMORY Not able to allocate memory (for output param/other operations)
+ * @retval #RUNTIME_INFO_ERROR_REMOTE_IO Call to resource daemon failed (dbus errors/resource daemon errors)
+ * @retval #RUNTIME_INFO_ERROR_IO_ERROR An I/O error during dbus message operations
+ * @retval #RUNTIME_INFO_PERMISSION_DENIED Process not authorized to request process usage info
*
* @see runtime_info_get_system_memory_info()
*/
*
* @retval #RUNTIME_INFO_ERROR_NONE Successful
* @retval #RUNTIME_INFO_ERROR_INVALID_PARAMETER Invalid parameter
- * @retval #RUNTIME_INFO_ERROR_PERMISSION_DENIED Permission denied
+ * @retval #RUNTIME_INFO_ERROR_OUT_OF_MEMORY Not able to allocate memory (for output param/other operations)
+ * @retval #RUNTIME_INFO_ERROR_REMOTE_IO Call to resource daemon failed (dbus errors/resource daemon errors)
+ * @retval #RUNTIME_INFO_ERROR_IO_ERROR An I/O error occured (during dbus message operations/other IO operations)
+ * @retval #RUNTIME_INFO_PERMISSION_DENIED Process not authorized to request process usage info
*
* @see runtime_info_get_cpu_usage()
*/