len0rd/FreeRTOS-Kernel
1
0
Fork 0
mirror of https://github.com/FreeRTOS/FreeRTOS-Kernel.git synced 2025-08-19 09:38:32 -04:00
Code Issues Projects Releases Packages Wiki Activity

Add in a couple of extra list macros for use with FreeRTOS+UDP.

Browse source 
Allow the ISR safe queue send and receive functions to set the higher priority task woken pointer to NULL.
This commit is contained in:
Richard Barry 2012-07-03 11:16:52 +00:00
parent c8c4ab298c
commit db44ca0c56
3 changed files with 30 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

18
Source/include/list.h
View file

@ -139,6 +139,15 @@ typedef struct xLIST
*/
#define listSET_LIST_ITEM_OWNER( pxListItem, pxOwner ) ( pxListItem )->pvOwner = ( void * ) ( pxOwner )
/*
* Access macro to get the owner of a list item. The owner of a list item
* is the object (usually a TCB) that contains the list item.
*
* \page listSET_LIST_ITEM_OWNER listSET_LIST_ITEM_OWNER
* \ingroup LinkedList
*/
#define listGET_LIST_ITEM_OWNER( pxListItem ) ( pxListItem )->pvOwner
/*
* Access macro to set the value of the list item. In most cases the value is
* used to sort the list in descending order.
@ -149,7 +158,7 @@ typedef struct xLIST
#define listSET_LIST_ITEM_VALUE( pxListItem, xValue ) ( pxListItem )->xItemValue = ( xValue )
/*
* Access macro the retrieve the value of the list item. The value can
* Access macro to retrieve the value of the list item. The value can
* represent anything - for example a the priority of a task, or the time at
* which a task should be unblocked.
*
@ -244,6 +253,13 @@ xList * const pxConstList = ( pxList ); \
*/
#define listIS_CONTAINED_WITHIN( pxList, pxListItem ) ( ( pxListItem )->pvContainer == ( void * ) ( pxList ) )
/*
* This provides a crude means of knowing if a list has been initialised, as
* pxList->xListEnd.xItemValue is set to portMAX_DELAY by the vListInitialise()
* function.
*/
#define listLIST_IS_INITIALISED( pxList ) ( ( pxList )->xListEnd.xItemValue == portMAX_DELAY )
/*
* Must be called before a list is used! This initialises all the members
* of the list structure and inserts the xListEnd item into the list as a

4
Source/include/queue.h
View file

@ -1187,10 +1187,10 @@ signed portBASE_TYPE xQueueGenericSendFromISR( xQueueHandle pxQueue, const void
* \defgroup xQueueReceiveFromISR xQueueReceiveFromISR
* \ingroup QueueManagement
*/
signed portBASE_TYPE xQueueReceiveFromISR( xQueueHandle pxQueue, void * const pvBuffer, signed portBASE_TYPE *pxTaskWoken );
signed portBASE_TYPE xQueueReceiveFromISR( xQueueHandle pxQueue, void * const pvBuffer, signed portBASE_TYPE *pxHigherPriorityTaskWoken );
/*
* Utilities to query queue that are safe to use from an ISR. These utilities
* Utilities to query queues that are safe to use from an ISR. These utilities
* should be used only from witin an ISR, or within a critical section.
*/
signed portBASE_TYPE xQueueIsQueueEmptyFromISR( const xQueueHandle pxQueue );