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Add some tick interrupt overflow protection to the timers module. This is not tested yet and still a work in progress.

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This commit is contained in:
Richard Barry 2011-02-10 19:09:35 +00:00
parent 671ca2724e
commit 7ee534e4c2
5 changed files with 124 additions and 27 deletions
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15
Source/include/task.h
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@ -1191,6 +1191,21 @@ void vTaskIncrementTick( void ) PRIVILEGED_FUNCTION;
*/
void vTaskPlaceOnEventList( const xList * const pxEventList, portTickType xTicksToWait ) PRIVILEGED_FUNCTION;
/*
* THIS FUNCTION MUST NOT BE USED FROM APPLICATION CODE. IT IS AN
* INTERFACE WHICH IS FOR THE EXCLUSIVE USE OF THE SCHEDULER.
*
* THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED.
*
* This function performs nearly the same function as vTaskPlaceOnEventList().
* The difference being that this function does not permit tasks to block
* indefinitely, whereas vTaskPlaceOnEventList() does.
*
* @return pdTRUE if the task being removed has a higher priority than the task
* making the call, otherwise pdFALSE.
*/
void vTaskPlaceOnEventListRestricted( const xList * const pxEventList, portTickType xTicksToWait ) PRIVILEGED_FUNCTION;
/*
* THIS FUNCTION MUST NOT BE USED FROM APPLICATION CODE. IT IS AN
* INTERFACE WHICH IS FOR THE EXCLUSIVE USE OF THE SCHEDULER.