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Some optimisations added.

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This commit is contained in:
Richard Barry 2009-03-11 10:55:41 +00:00
parent aaeb4790de
commit 55c96044b0
1 changed files with 12 additions and 20 deletions
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32
Source/tasks.c
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@ -1014,9 +1014,9 @@ void vTaskEndScheduler( void )
void vTaskSuspendAll( void )
{
portENTER_CRITICAL();
++uxSchedulerSuspended;
portEXIT_CRITICAL();
/* A critical section is not required as the variable is of type
portBASE_TYPE. */
++uxSchedulerSuspended;
}
/*----------------------------------------------------------*/
@ -1119,13 +1119,9 @@ portTickType xTicks;
unsigned portBASE_TYPE uxTaskGetNumberOfTasks( void )
{
unsigned portBASE_TYPE uxNumberOfTasks;
taskENTER_CRITICAL();
uxNumberOfTasks = uxCurrentNumberOfTasks;
taskEXIT_CRITICAL();
return uxNumberOfTasks;
/* A critical section is not required because the variables are of type
portBASE_TYPE. */
return uxCurrentNumberOfTasks;
}
/*-----------------------------------------------------------*/
@ -1351,7 +1347,8 @@ void vTaskIncrementTick( void )
xTCB = ( tskTCB * ) xTask;
}
/* Save the hook function in the TCB. */
/* Save the hook function in the TCB. A critical section is required as
the value can be accessed from an interrupt. */
portENTER_CRITICAL();
xTCB->pxTaskTag = pxTagValue;
portEXIT_CRITICAL();
@ -1899,15 +1896,10 @@ tskTCB *pxNewTCB;
xTaskHandle xTaskGetCurrentTaskHandle( void )
{
xTaskHandle xReturn;
portENTER_CRITICAL();
{
xReturn = ( xTaskHandle ) pxCurrentTCB;
}
portEXIT_CRITICAL();
return xReturn;
/* A critical section is not required as this is not called from
an interrupt and the current TCB will always be the same for any
individual execution thread. */
return pxCurrentTCB;
}
#endif