mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-05-02 19:31:06 -04:00
Refine usage
This commit is contained in:
Ching-Hsin,Lee
parent
9362ac47c1
commit
0fcb04a41d
46
tasks.c
46
tasks.c
|
|
@ -1022,7 +1022,7 @@ static void prvAddNewTaskToReadyList( TCB_t * pxNewTCB ) PRIVILEGED_FUNCTION;
|
|||
( taskTASK_IS_RUNNING( pxConstCurrentTCB ) == pdFALSE ) );
|
||||
}
|
||||
}
|
||||
#endif
|
||||
#endif /* if ( configRUN_MULTIPLE_PRIORITIES == 0 ) */
|
||||
}
|
||||
}
|
||||
#endif /* #if ( configNUMBER_OF_CORES > 1 ) */
|
||||
|
|
@ -2863,14 +2863,12 @@ static void prvInitialiseNewTask( TaskFunction_t pxTaskCode,
|
|||
{
|
||||
#if ( configNUMBER_OF_CORES == 1 )
|
||||
{
|
||||
TCB_t * const pxConstCurrentTCB = prvGetCurrentTaskTCBUnsafe();
|
||||
|
||||
if( taskTASK_IS_RUNNING( pxTCB ) == pdFALSE )
|
||||
{
|
||||
/* The priority of a task other than the currently
|
||||
* running task is being raised. Is the priority being
|
||||
* raised above that of the running task? */
|
||||
if( uxNewPriority > pxConstCurrentTCB->uxPriority )
|
||||
if( uxNewPriority > prvGetCurrentTaskTCBUnsafe()->uxPriority )
|
||||
{
|
||||
xYieldRequired = pdTRUE;
|
||||
}
|
||||
|
|
@ -3309,7 +3307,7 @@ static void prvInitialiseNewTask( TaskFunction_t pxTaskCode,
|
|||
* NULL so when the next task is created pxCurrentTCB will
|
||||
* be set to point to it no matter what its relative priority
|
||||
* is. */
|
||||
prvGetCurrentTaskTCBUnsafe( NULL );
|
||||
pxCurrentTCB = NULL;
|
||||
}
|
||||
else
|
||||
{
|
||||
|
|
@ -3503,11 +3501,9 @@ static void prvInitialiseNewTask( TaskFunction_t pxTaskCode,
|
|||
{
|
||||
#if ( configNUMBER_OF_CORES == 1 )
|
||||
{
|
||||
TCB_t * const pxConstCurrentTCB = prvGetCurrentTaskTCBUnsafe();
|
||||
|
||||
/* Ready lists can be accessed so move the task from the
|
||||
* suspended list to the ready list directly. */
|
||||
if( pxTCB->uxPriority > pxConstCurrentTCB->uxPriority )
|
||||
if( pxTCB->uxPriority > prvGetCurrentTaskTCBUnsafe()->uxPriority )
|
||||
{
|
||||
xYieldRequired = pdTRUE;
|
||||
|
||||
|
|
@ -3763,8 +3759,6 @@ void vTaskStartScheduler( void )
|
|||
|
||||
#if ( configUSE_C_RUNTIME_TLS_SUPPORT == 1 )
|
||||
{
|
||||
TCB_t * const pxConstCurrentTCB = prvGetCurrentTaskTCB();
|
||||
|
||||
/* Switch C-Runtime's TLS Block to point to the TLS
|
||||
* block specific to the task that will run first. */
|
||||
configSET_TLS_BLOCK( prvGetCurrentTaskTCBUnsafe()->xTLSBlock );
|
||||
|
|
@ -4028,7 +4022,7 @@ BaseType_t xTaskResumeAll( void )
|
|||
* tasks from this list into their appropriate ready list. */
|
||||
taskENTER_CRITICAL();
|
||||
{
|
||||
BaseType_t xCoreID = portGET_CORE_ID();
|
||||
BaseType_t xCoreID = ( BaseType_t ) portGET_CORE_ID();
|
||||
|
||||
/* If uxSchedulerSuspended is zero then this function does not match a
|
||||
* previous call to vTaskSuspendAll(). */
|
||||
|
|
@ -4056,11 +4050,9 @@ BaseType_t xTaskResumeAll( void )
|
|||
|
||||
#if ( configNUMBER_OF_CORES == 1 )
|
||||
{
|
||||
TCB_t * const pxConstCurrentTCB = prvGetCurrentTaskTCBUnsafe();
|
||||
|
||||
/* If the moved task has a priority higher than the current
|
||||
* task then a yield must be performed. */
|
||||
if( pxTCB->uxPriority > pxConstCurrentTCB->uxPriority )
|
||||
if( pxTCB->uxPriority > prvGetCurrentTaskTCBUnsafe()->uxPriority )
|
||||
{
|
||||
xYieldPendings[ xCoreID ] = pdTRUE;
|
||||
}
|
||||
|
|
@ -4684,12 +4676,10 @@ BaseType_t xTaskCatchUpTicks( TickType_t xTicksToCatchUp )
|
|||
{
|
||||
#if ( configNUMBER_OF_CORES == 1 )
|
||||
{
|
||||
TCB_t * const pxConstCurrentTCB = prvGetCurrentTaskTCB();
|
||||
|
||||
/* Preemption is on, but a context switch should only be
|
||||
* performed if the unblocked task has a priority that is
|
||||
* higher than the currently executing task. */
|
||||
if( pxTCB->uxPriority > pxConstCurrentTCB->uxPriority )
|
||||
if( pxTCB->uxPriority > prvGetCurrentTaskTCB()->uxPriority )
|
||||
{
|
||||
/* Pend the yield to be performed when the scheduler
|
||||
* is unsuspended. */
|
||||
|
|
@ -5291,8 +5281,6 @@ BaseType_t xTaskIncrementTick( void )
|
|||
void vTaskPlaceOnEventList( List_t * const pxEventList,
|
||||
const TickType_t xTicksToWait )
|
||||
{
|
||||
TCB_t * const pxConstCurrentTCB = prvGetCurrentTaskTCBUnsafe();
|
||||
|
||||
traceENTER_vTaskPlaceOnEventList( pxEventList, xTicksToWait );
|
||||
|
||||
configASSERT( pxEventList );
|
||||
|
|
@ -5311,7 +5299,7 @@ void vTaskPlaceOnEventList( List_t * const pxEventList,
|
|||
*
|
||||
* The queue that contains the event list is locked, preventing
|
||||
* simultaneous access from interrupts. */
|
||||
vListInsert( pxEventList, &( pxConstCurrentTCB->xEventListItem ) );
|
||||
vListInsert( pxEventList, &( prvGetCurrentTaskTCBUnsafe()->xEventListItem ) );
|
||||
|
||||
prvAddCurrentTaskToDelayedList( xTicksToWait, pdTRUE );
|
||||
|
||||
|
|
@ -5357,8 +5345,6 @@ void vTaskPlaceOnUnorderedEventList( List_t * pxEventList,
|
|||
TickType_t xTicksToWait,
|
||||
const BaseType_t xWaitIndefinitely )
|
||||
{
|
||||
TCB_t * const pxConstCurrentTCB = prvGetCurrentTaskTCBUnsafe();
|
||||
|
||||
traceENTER_vTaskPlaceOnEventListRestricted( pxEventList, xTicksToWait, xWaitIndefinitely );
|
||||
|
||||
configASSERT( pxEventList );
|
||||
|
|
@ -5373,7 +5359,7 @@ void vTaskPlaceOnUnorderedEventList( List_t * pxEventList,
|
|||
* In this case it is assume that this is the only task that is going to
|
||||
* be waiting on this event list, so the faster vListInsertEnd() function
|
||||
* can be used in place of vListInsert. */
|
||||
listINSERT_END( pxEventList, &( pxConstCurrentTCB->xEventListItem ) );
|
||||
listINSERT_END( pxEventList, &( prvGetCurrentTaskTCBUnsafe()->xEventListItem ) );
|
||||
|
||||
/* If the task should block indefinitely then set the block time to a
|
||||
* value that will be recognised as an indefinite delay inside the
|
||||
|
|
@ -5447,9 +5433,7 @@ BaseType_t xTaskRemoveFromEventList( const List_t * const pxEventList )
|
|||
|
||||
#if ( configNUMBER_OF_CORES == 1 )
|
||||
{
|
||||
TCB_t * const pxConstCurrentTCB = prvGetCurrentTaskTCBUnsafe();
|
||||
|
||||
if( pxUnblockedTCB->uxPriority > pxConstCurrentTCB->uxPriority )
|
||||
if( pxUnblockedTCB->uxPriority > prvGetCurrentTaskTCBUnsafe()->uxPriority )
|
||||
{
|
||||
/* Return true if the task removed from the event list has a higher
|
||||
* priority than the calling task. This allows the calling task to know if
|
||||
|
|
@ -5532,9 +5516,7 @@ void vTaskRemoveFromUnorderedEventList( ListItem_t * pxEventListItem,
|
|||
|
||||
#if ( configNUMBER_OF_CORES == 1 )
|
||||
{
|
||||
TCB_t * const pxConstCurrentTCB = prvGetCurrentTaskTCBUnsafe();
|
||||
|
||||
if( pxUnblockedTCB->uxPriority > pxConstCurrentTCB->uxPriority )
|
||||
if( pxUnblockedTCB->uxPriority > prvGetCurrentTaskTCBUnsafe()->uxPriority )
|
||||
{
|
||||
/* The unblocked task has a priority above that of the calling task, so
|
||||
* a context switch is required. This function is called with the
|
||||
|
|
@ -8121,9 +8103,7 @@ TickType_t uxTaskResetEventItemValue( void )
|
|||
|
||||
#if ( configNUMBER_OF_CORES == 1 )
|
||||
{
|
||||
TCB_t * const pxConstCurrentTCB = prvGetCurrentTaskTCBUnsafe();
|
||||
|
||||
if( pxTCB->uxPriority > pxConstCurrentTCB->uxPriority )
|
||||
if( pxTCB->uxPriority > prvGetCurrentTaskTCBUnsafe()->uxPriority )
|
||||
{
|
||||
/* The notified task has a priority above the currently
|
||||
* executing task so a yield is required. */
|
||||
|
|
@ -8710,7 +8690,7 @@ void vTaskResetState( void )
|
|||
/* Task control block. */
|
||||
#if ( configNUMBER_OF_CORES == 1 )
|
||||
{
|
||||
prvGetCurrentTaskTCBUnsafe( NULL );
|
||||
pxCurrentTCB = NULL;
|
||||
}
|
||||
#endif /* #if ( configNUMBER_OF_CORES == 1 ) */
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue