/*\r
- FreeRTOS V7.2.0 - Copyright (C) 2012 Real Time Engineers Ltd.\r
-\r
-\r
- ***************************************************************************\r
- * *\r
- * FreeRTOS tutorial books are available in pdf and paperback. *\r
- * Complete, revised, and edited pdf reference manuals are also *\r
- * available. *\r
- * *\r
- * Purchasing FreeRTOS documentation will not only help you, by *\r
- * ensuring you get running as quickly as possible and with an *\r
- * in-depth knowledge of how to use FreeRTOS, it will also help *\r
- * the FreeRTOS project to continue with its mission of providing *\r
- * professional grade, cross platform, de facto standard solutions *\r
- * for microcontrollers - completely free of charge! *\r
- * *\r
- * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *\r
- * *\r
- * Thank you for using FreeRTOS, and thank you for your support! *\r
- * *\r
- ***************************************************************************\r
-\r
-\r
- This file is part of the FreeRTOS distribution.\r
-\r
- FreeRTOS is free software; you can redistribute it and/or modify it under\r
- the terms of the GNU General Public License (version 2) as published by the\r
- Free Software Foundation AND MODIFIED BY the FreeRTOS exception.\r
- >>>NOTE<<< The modification to the GPL is included to allow you to\r
- distribute a combined work that includes FreeRTOS without being obliged to\r
- provide the source code for proprietary components outside of the FreeRTOS\r
- kernel. FreeRTOS is distributed in the hope that it will be useful, but\r
- WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY\r
- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for\r
- more details. You should have received a copy of the GNU General Public\r
- License and the FreeRTOS license exception along with FreeRTOS; if not it\r
- can be viewed here: http://www.freertos.org/a00114.html and also obtained\r
- by writing to Richard Barry, contact details for whom are available on the\r
- FreeRTOS WEB site.\r
-\r
- 1 tab == 4 spaces!\r
- \r
- ***************************************************************************\r
- * *\r
- * Having a problem? Start by reading the FAQ "My application does *\r
- * not run, what could be wrong? *\r
- * *\r
- * http://www.FreeRTOS.org/FAQHelp.html *\r
- * *\r
- ***************************************************************************\r
-\r
- \r
- http://www.FreeRTOS.org - Documentation, training, latest information, \r
- license and contact details.\r
- \r
- http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
- including FreeRTOS+Trace - an indispensable productivity tool.\r
-\r
- Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell \r
- the code with commercial support, indemnification, and middleware, under \r
- the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also\r
- provide a safety engineered and independently SIL3 certified version under \r
- the SafeRTOS brand: http://www.SafeRTOS.com.\r
+ OpenRTOS V8.2.1 Copyright (C) 2015 Real Time Engineers Ltd.\r
+\r
+ This file is part of the OpenRTOS product.\r
+\r
+ OpenRTOS is distributed exclusively by WITTENSTEIN high integrity systems,\r
+ and is subject to the terms of the License granted to your organization,\r
+ including its warranties and limitations on use and distribution. It cannot be\r
+ copied or reproduced in any way except as permitted by the License.\r
+\r
+ Licenses authorize use by processor, compiler, business unit, and product.\r
+ \r
+ WITTENSTEIN high integrity systems is a trading name of WITTENSTEIN\r
+ aerospace & simulation ltd, Registered Office: Brown's Court, Long Ashton\r
+ Business Park, Yanley Lane, Long Ashton, Bristol, BS41 9LB, UK.\r
+ Tel: +44 (0) 1275 395 600, fax: +44 (0) 1275 393 630.\r
+ E-mail: info@HighIntegritySystems.com\r
+\r
+ http://www.HighIntegritySystems.com\r
*/\r
\r
/*\r
* heavily for the schedulers needs, it is also available for use by\r
* application code.\r
*\r
- * xLists can only store pointers to xListItems. Each xListItem contains a\r
+ * list_ts can only store pointers to list_item_ts. Each ListItem_t contains a\r
* numeric value (xItemValue). Most of the time the lists are sorted in\r
* descending item value order.\r
*\r
* \ingroup FreeRTOSIntro\r
*/\r
\r
+#ifndef INC_FREERTOS_H\r
+ #error FreeRTOS.h must be included before list.h\r
+#endif\r
\r
#ifndef LIST_H\r
#define LIST_H\r
\r
+/*\r
+ * The list structure members are modified from within interrupts, and therefore\r
+ * by rights should be declared volatile. However, they are only modified in a\r
+ * functionally atomic way (within critical sections of with the scheduler\r
+ * suspended) and are either passed by reference into a function or indexed via\r
+ * a volatile variable. Therefore, in all use cases tested so far, the volatile\r
+ * qualifier can be omitted in order to provide a moderate performance\r
+ * improvement without adversely affecting functional behaviour. The assembly\r
+ * instructions generated by the IAR, ARM and GCC compilers when the respective\r
+ * compiler's options were set for maximum optimisation has been inspected and\r
+ * deemed to be as intended. That said, as compiler technology advances, and\r
+ * especially if aggressive cross module optimisation is used (a use case that\r
+ * has not been exercised to any great extend) then it is feasible that the\r
+ * volatile qualifier will be needed for correct optimisation. It is expected\r
+ * that a compiler removing essential code because, without the volatile\r
+ * qualifier on the list structure members and with aggressive cross module\r
+ * optimisation, the compiler deemed the code unnecessary will result in\r
+ * complete and obvious failure of the scheduler. If this is ever experienced\r
+ * then the volatile qualifier can be inserted in the relevant places within the\r
+ * list structures by simply defining configLIST_VOLATILE to volatile in\r
+ * FreeRTOSConfig.h (as per the example at the bottom of this comment block).\r
+ * If configLIST_VOLATILE is not defined then the preprocessor directives below\r
+ * will simply #define configLIST_VOLATILE away completely.\r
+ *\r
+ * To use volatile list structure members then add the following line to\r
+ * FreeRTOSConfig.h (without the quotes):\r
+ * "#define configLIST_VOLATILE volatile"\r
+ */\r
+#ifndef configLIST_VOLATILE\r
+ #define configLIST_VOLATILE\r
+#endif /* configSUPPORT_CROSS_MODULE_OPTIMISATION */\r
+\r
#ifdef __cplusplus\r
extern "C" {\r
#endif\r
+\r
+/* Macros that can be used to place known values within the list structures,\r
+then check that the known values do not get corrupted during the execution of\r
+the application. These may catch the list data structures being overwritten in\r
+memory. They will not catch data errors caused by incorrect configuration or\r
+use of FreeRTOS.*/\r
+#if( configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES == 0 )\r
+ /* Define the macros to do nothing. */\r
+ #define listFIRST_LIST_ITEM_INTEGRITY_CHECK_VALUE\r
+ #define listSECOND_LIST_ITEM_INTEGRITY_CHECK_VALUE\r
+ #define listFIRST_LIST_INTEGRITY_CHECK_VALUE\r
+ #define listSECOND_LIST_INTEGRITY_CHECK_VALUE\r
+ #define listSET_FIRST_LIST_ITEM_INTEGRITY_CHECK_VALUE( pxItem )\r
+ #define listSET_SECOND_LIST_ITEM_INTEGRITY_CHECK_VALUE( pxItem )\r
+ #define listSET_LIST_INTEGRITY_CHECK_1_VALUE( pxList )\r
+ #define listSET_LIST_INTEGRITY_CHECK_2_VALUE( pxList )\r
+ #define listTEST_LIST_ITEM_INTEGRITY( pxItem )\r
+ #define listTEST_LIST_INTEGRITY( pxList )\r
+#else\r
+ /* Define macros that add new members into the list structures. */\r
+ #define listFIRST_LIST_ITEM_INTEGRITY_CHECK_VALUE TickType_t xListItemIntegrityValue1;\r
+ #define listSECOND_LIST_ITEM_INTEGRITY_CHECK_VALUE TickType_t xListItemIntegrityValue2;\r
+ #define listFIRST_LIST_INTEGRITY_CHECK_VALUE TickType_t xListIntegrityValue1;\r
+ #define listSECOND_LIST_INTEGRITY_CHECK_VALUE TickType_t xListIntegrityValue2;\r
+\r
+ /* Define macros that set the new structure members to known values. */\r
+ #define listSET_FIRST_LIST_ITEM_INTEGRITY_CHECK_VALUE( pxItem ) ( pxItem )->xListItemIntegrityValue1 = pdINTEGRITY_CHECK_VALUE\r
+ #define listSET_SECOND_LIST_ITEM_INTEGRITY_CHECK_VALUE( pxItem ) ( pxItem )->xListItemIntegrityValue2 = pdINTEGRITY_CHECK_VALUE\r
+ #define listSET_LIST_INTEGRITY_CHECK_1_VALUE( pxList ) ( pxList )->xListIntegrityValue1 = pdINTEGRITY_CHECK_VALUE\r
+ #define listSET_LIST_INTEGRITY_CHECK_2_VALUE( pxList ) ( pxList )->xListIntegrityValue2 = pdINTEGRITY_CHECK_VALUE\r
+\r
+ /* Define macros that will assert if one of the structure members does not\r
+ contain its expected value. */\r
+ #define listTEST_LIST_ITEM_INTEGRITY( pxItem ) configASSERT( ( ( pxItem )->xListItemIntegrityValue1 == pdINTEGRITY_CHECK_VALUE ) && ( ( pxItem )->xListItemIntegrityValue2 == pdINTEGRITY_CHECK_VALUE ) )\r
+ #define listTEST_LIST_INTEGRITY( pxList ) configASSERT( ( ( pxList )->xListIntegrityValue1 == pdINTEGRITY_CHECK_VALUE ) && ( ( pxList )->xListIntegrityValue2 == pdINTEGRITY_CHECK_VALUE ) )\r
+#endif /* configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES */\r
+\r
+\r
/*\r
* Definition of the only type of object that a list can contain.\r
*/\r
struct xLIST_ITEM\r
{\r
- portTickType xItemValue; /*< The value being listed. In most cases this is used to sort the list in descending order. */\r
- volatile struct xLIST_ITEM * pxNext; /*< Pointer to the next xListItem in the list. */\r
- volatile struct xLIST_ITEM * pxPrevious;/*< Pointer to the previous xListItem in the list. */\r
- void * pvOwner; /*< Pointer to the object (normally a TCB) that contains the list item. There is therefore a two way link between the object containing the list item and the list item itself. */\r
- void * pvContainer; /*< Pointer to the list in which this list item is placed (if any). */\r
+ listFIRST_LIST_ITEM_INTEGRITY_CHECK_VALUE /*< Set to a known value if configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES is set to 1. */\r
+ configLIST_VOLATILE TickType_t xItemValue; /*< The value being listed. In most cases this is used to sort the list in descending order. */\r
+ struct xLIST_ITEM * configLIST_VOLATILE pxNext; /*< Pointer to the next ListItem_t in the list. */\r
+ struct xLIST_ITEM * configLIST_VOLATILE pxPrevious; /*< Pointer to the previous ListItem_t in the list. */\r
+ void * pvOwner; /*< Pointer to the object (normally a TCB) that contains the list item. There is therefore a two way link between the object containing the list item and the list item itself. */\r
+ void * configLIST_VOLATILE pvContainer; /*< Pointer to the list in which this list item is placed (if any). */\r
+ listSECOND_LIST_ITEM_INTEGRITY_CHECK_VALUE /*< Set to a known value if configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES is set to 1. */\r
};\r
-typedef struct xLIST_ITEM xListItem; /* For some reason lint wants this as two separate definitions. */\r
+typedef struct xLIST_ITEM ListItem_t; /* For some reason lint wants this as two separate definitions. */\r
\r
struct xMINI_LIST_ITEM\r
{\r
- portTickType xItemValue;\r
- volatile struct xLIST_ITEM *pxNext;\r
- volatile struct xLIST_ITEM *pxPrevious;\r
+ listFIRST_LIST_ITEM_INTEGRITY_CHECK_VALUE /*< Set to a known value if configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES is set to 1. */\r
+ configLIST_VOLATILE TickType_t xItemValue;\r
+ struct xLIST_ITEM * configLIST_VOLATILE pxNext;\r
+ struct xLIST_ITEM * configLIST_VOLATILE pxPrevious;\r
};\r
-typedef struct xMINI_LIST_ITEM xMiniListItem;\r
+typedef struct xMINI_LIST_ITEM MiniListItem_t;\r
\r
/*\r
* Definition of the type of queue used by the scheduler.\r
*/\r
typedef struct xLIST\r
{\r
- volatile unsigned portBASE_TYPE uxNumberOfItems;\r
- volatile xListItem * pxIndex; /*< Used to walk through the list. Points to the last item returned by a call to pvListGetOwnerOfNextEntry (). */\r
- volatile xMiniListItem xListEnd; /*< List item that contains the maximum possible item value meaning it is always at the end of the list and is therefore used as a marker. */\r
-} xList;\r
+ listFIRST_LIST_INTEGRITY_CHECK_VALUE /*< Set to a known value if configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES is set to 1. */\r
+ configLIST_VOLATILE UBaseType_t uxNumberOfItems;\r
+ ListItem_t * configLIST_VOLATILE pxIndex; /*< Used to walk through the list. Points to the last item returned by a call to listGET_OWNER_OF_NEXT_ENTRY (). */\r
+ MiniListItem_t xListEnd; /*< List item that contains the maximum possible item value meaning it is always at the end of the list and is therefore used as a marker. */\r
+ listSECOND_LIST_INTEGRITY_CHECK_VALUE /*< Set to a known value if configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES is set to 1. */\r
+} List_t;\r
\r
/*\r
* Access macro to set the owner of a list item. The owner of a list item\r
* \page listSET_LIST_ITEM_OWNER listSET_LIST_ITEM_OWNER\r
* \ingroup LinkedList\r
*/\r
-#define listSET_LIST_ITEM_OWNER( pxListItem, pxOwner ) ( pxListItem )->pvOwner = ( void * ) ( pxOwner )\r
+#define listSET_LIST_ITEM_OWNER( pxListItem, pxOwner ) ( ( pxListItem )->pvOwner = ( void * ) ( pxOwner ) )\r
\r
/*\r
* Access macro to get the owner of a list item. The owner of a list item\r
* \page listSET_LIST_ITEM_OWNER listSET_LIST_ITEM_OWNER\r
* \ingroup LinkedList\r
*/\r
-#define listGET_LIST_ITEM_OWNER( pxListItem ) ( pxListItem )->pvOwner\r
+#define listGET_LIST_ITEM_OWNER( pxListItem ) ( ( pxListItem )->pvOwner )\r
\r
/*\r
* Access macro to set the value of the list item. In most cases the value is\r
* \page listSET_LIST_ITEM_VALUE listSET_LIST_ITEM_VALUE\r
* \ingroup LinkedList\r
*/\r
-#define listSET_LIST_ITEM_VALUE( pxListItem, xValue ) ( pxListItem )->xItemValue = ( xValue )\r
+#define listSET_LIST_ITEM_VALUE( pxListItem, xValue ) ( ( pxListItem )->xItemValue = ( xValue ) )\r
\r
/*\r
* Access macro to retrieve the value of the list item. The value can\r
- * represent anything - for example a the priority of a task, or the time at\r
+ * represent anything - for example the priority of a task, or the time at\r
* which a task should be unblocked.\r
*\r
* \page listGET_LIST_ITEM_VALUE listGET_LIST_ITEM_VALUE\r
* \ingroup LinkedList\r
*/\r
-#define listGET_LIST_ITEM_VALUE( pxListItem ) ( ( pxListItem )->xItemValue )\r
+#define listGET_LIST_ITEM_VALUE( pxListItem ) ( ( pxListItem )->xItemValue )\r
\r
/*\r
- * Access macro the retrieve the value of the list item at the head of a given\r
+ * Access macro to retrieve the value of the list item at the head of a given\r
* list.\r
*\r
* \page listGET_LIST_ITEM_VALUE listGET_LIST_ITEM_VALUE\r
* \ingroup LinkedList\r
*/\r
-#define listGET_ITEM_VALUE_OF_HEAD_ENTRY( pxList ) ( (&( ( pxList )->xListEnd ))->pxNext->xItemValue )\r
+#define listGET_ITEM_VALUE_OF_HEAD_ENTRY( pxList ) ( ( ( pxList )->xListEnd ).pxNext->xItemValue )\r
+\r
+/*\r
+ * Return the list item at the head of the list.\r
+ *\r
+ * \page listGET_HEAD_ENTRY listGET_HEAD_ENTRY\r
+ * \ingroup LinkedList\r
+ */\r
+#define listGET_HEAD_ENTRY( pxList ) ( ( ( pxList )->xListEnd ).pxNext )\r
+\r
+/*\r
+ * Return the list item at the head of the list.\r
+ *\r
+ * \page listGET_NEXT listGET_NEXT\r
+ * \ingroup LinkedList\r
+ */\r
+#define listGET_NEXT( pxListItem ) ( ( pxListItem )->pxNext )\r
+\r
+/*\r
+ * Return the list item that marks the end of the list\r
+ *\r
+ * \page listGET_END_MARKER listGET_END_MARKER\r
+ * \ingroup LinkedList\r
+ */\r
+#define listGET_END_MARKER( pxList ) ( ( ListItem_t const * ) ( &( ( pxList )->xListEnd ) ) )\r
\r
/*\r
* Access macro to determine if a list contains any items. The macro will\r
* \page listLIST_IS_EMPTY listLIST_IS_EMPTY\r
* \ingroup LinkedList\r
*/\r
-#define listLIST_IS_EMPTY( pxList ) ( ( pxList )->uxNumberOfItems == ( unsigned portBASE_TYPE ) 0 )\r
+#define listLIST_IS_EMPTY( pxList ) ( ( BaseType_t ) ( ( pxList )->uxNumberOfItems == ( UBaseType_t ) 0 ) )\r
\r
/*\r
* Access macro to return the number of items in the list.\r
*/\r
-#define listCURRENT_LIST_LENGTH( pxList ) ( ( pxList )->uxNumberOfItems )\r
+#define listCURRENT_LIST_LENGTH( pxList ) ( ( pxList )->uxNumberOfItems )\r
\r
/*\r
* Access function to obtain the owner of the next entry in a list.\r
*\r
* The list member pxIndex is used to walk through a list. Calling\r
* listGET_OWNER_OF_NEXT_ENTRY increments pxIndex to the next item in the list\r
- * and returns that entries pxOwner parameter. Using multiple calls to this\r
+ * and returns that entry's pxOwner parameter. Using multiple calls to this\r
* function it is therefore possible to move through every item contained in\r
* a list.\r
*\r
* The pxOwner parameter effectively creates a two way link between the list\r
* item and its owner.\r
*\r
+ * @param pxTCB pxTCB is set to the address of the owner of the next list item.\r
* @param pxList The list from which the next item owner is to be returned.\r
*\r
* \page listGET_OWNER_OF_NEXT_ENTRY listGET_OWNER_OF_NEXT_ENTRY\r
* \ingroup LinkedList\r
*/\r
-#define listGET_OWNER_OF_NEXT_ENTRY( pxTCB, pxList ) \\r
-{ \\r
-xList * const pxConstList = ( pxList ); \\r
- /* Increment the index to the next item and return the item, ensuring */ \\r
- /* we don't return the marker used at the end of the list. */ \\r
- ( pxConstList )->pxIndex = ( pxConstList )->pxIndex->pxNext; \\r
- if( ( pxConstList )->pxIndex == ( xListItem * ) &( ( pxConstList )->xListEnd ) ) \\r
- { \\r
- ( pxConstList )->pxIndex = ( pxConstList )->pxIndex->pxNext; \\r
- } \\r
- ( pxTCB ) = ( pxConstList )->pxIndex->pvOwner; \\r
+#define listGET_OWNER_OF_NEXT_ENTRY( pxTCB, pxList ) \\r
+{ \\r
+List_t * const pxConstList = ( pxList ); \\r
+ /* Increment the index to the next item and return the item, ensuring */ \\r
+ /* we don't return the marker used at the end of the list. */ \\r
+ ( pxConstList )->pxIndex = ( pxConstList )->pxIndex->pxNext; \\r
+ if( ( void * ) ( pxConstList )->pxIndex == ( void * ) &( ( pxConstList )->xListEnd ) ) \\r
+ { \\r
+ ( pxConstList )->pxIndex = ( pxConstList )->pxIndex->pxNext; \\r
+ } \\r
+ ( pxTCB ) = ( pxConstList )->pxIndex->pvOwner; \\r
}\r
\r
\r
*\r
* @param pxList The list we want to know if the list item is within.\r
* @param pxListItem The list item we want to know if is in the list.\r
- * @return pdTRUE is the list item is in the list, otherwise pdFALSE.\r
- * pointer against\r
+ * @return pdTRUE if the list item is in the list, otherwise pdFALSE.\r
*/\r
-#define listIS_CONTAINED_WITHIN( pxList, pxListItem ) ( ( pxListItem )->pvContainer == ( void * ) ( pxList ) )\r
+#define listIS_CONTAINED_WITHIN( pxList, pxListItem ) ( ( BaseType_t ) ( ( pxListItem )->pvContainer == ( void * ) ( pxList ) ) )\r
\r
/*\r
* Return the list a list item is contained within (referenced from).\r
*\r
* @param pxListItem The list item being queried.\r
- * @return A pointer to the xList object that references the pxListItem\r
+ * @return A pointer to the List_t object that references the pxListItem\r
*/\r
-#define listLIST_ITEM_CONTAINED( pxListItem ) ( ( pxListItem )->pvContainer )\r
+#define listLIST_ITEM_CONTAINER( pxListItem ) ( ( pxListItem )->pvContainer )\r
\r
/*\r
* This provides a crude means of knowing if a list has been initialised, as\r
* \page vListInitialise vListInitialise\r
* \ingroup LinkedList\r
*/\r
-void vListInitialise( xList *pxList );\r
+void vListInitialise( List_t * const pxList ) PRIVILEGED_FUNCTION;\r
\r
/*\r
* Must be called before a list item is used. This sets the list container to\r
* \page vListInitialiseItem vListInitialiseItem\r
* \ingroup LinkedList\r
*/\r
-void vListInitialiseItem( xListItem *pxItem );\r
+void vListInitialiseItem( ListItem_t * const pxItem ) PRIVILEGED_FUNCTION;\r
\r
/*\r
* Insert a list item into a list. The item will be inserted into the list in\r
*\r
* @param pxList The list into which the item is to be inserted.\r
*\r
- * @param pxNewListItem The item to that is to be placed in the list.\r
+ * @param pxNewListItem The item that is to be placed in the list.\r
*\r
* \page vListInsert vListInsert\r
* \ingroup LinkedList\r
*/\r
-void vListInsert( xList *pxList, xListItem *pxNewListItem );\r
+void vListInsert( List_t * const pxList, ListItem_t * const pxNewListItem ) PRIVILEGED_FUNCTION;\r
\r
/*\r
* Insert a list item into a list. The item will be inserted in a position\r
* \page vListInsertEnd vListInsertEnd\r
* \ingroup LinkedList\r
*/\r
-void vListInsertEnd( xList *pxList, xListItem *pxNewListItem );\r
+void vListInsertEnd( List_t * const pxList, ListItem_t * const pxNewListItem ) PRIVILEGED_FUNCTION;\r
\r
/*\r
* Remove an item from a list. The list item has a pointer to the list that\r
* it is in, so only the list item need be passed into the function.\r
*\r
- * @param vListRemove The item to be removed. The item will remove itself from\r
+ * @param uxListRemove The item to be removed. The item will remove itself from\r
* the list pointed to by it's pxContainer parameter.\r
*\r
- * \page vListRemove vListRemove\r
+ * @return The number of items that remain in the list after the list item has\r
+ * been removed.\r
+ *\r
+ * \page uxListRemove uxListRemove\r
* \ingroup LinkedList\r
*/\r
-void vListRemove( xListItem *pxItemToRemove );\r
+UBaseType_t uxListRemove( ListItem_t * const pxItemToRemove ) PRIVILEGED_FUNCTION;\r
\r
#ifdef __cplusplus\r
}\r