Я правильно понимаю что если я каким-то образом получу уведомление

заранее, то задача не заблокируется?
uint32_t ulTaskGenericNotifyTake( UBaseType_t uxIndexToWait,
BaseType_t xClearCountOnExit,
TickType_t xTicksToWait )
{
uint32_t ulReturn;

configASSERT( uxIndexToWait < configTASK_NOTIFICATION_ARRAY_ENTRIES );

taskENTER_CRITICAL();
{
/* Only block if the notification count is not already non-zero. */
if( pxCurrentTCB[xPortGetCoreID()]->ulNotifiedValue[ uxIndexToWait ] == 0UL )
{
/* Mark this task as waiting for a notification. */
pxCurrentTCB[xPortGetCoreID()]->ucNotifyState[ uxIndexToWait ] = taskWAITING_NOTIFICATION;

if( xTicksToWait > ( TickType_t ) 0 )
{
prvAddCurrentTaskToDelayedList( xPortGetCoreID(), xTicksToWait );
traceTASK_NOTIFY_TAKE_BLOCK( uxIndexToWait );

/* All ports are written to allow a yield in a critical
* section (some will yield immediately, others wait until the
* critical section exits) - but it is not something that
* application code should ever do. */
portYIELD_WITHIN_API();
}
else
{
mtCOVERAGE_TEST_MARKER();
}
}
else
{
mtCOVERAGE_TEST_MARKER();
}
}
taskEXIT_CRITICAL();

taskENTER_CRITICAL();
{
traceTASK_NOTIFY_TAKE( uxIndexToWait );
ulReturn = pxCurrentTCB[xPortGetCoreID()]->ulNotifiedValue[ uxIndexToWait ];

if( ulReturn != 0UL )
{
if( xClearCountOnExit != pdFALSE )
{
pxCurrentTCB[xPortGetCoreID()]->ulNotifiedValue[ uxIndexToWait ] = 0UL;
}
else
{
pxCurrentTCB[xPortGetCoreID()]->ulNotifiedValue[ uxIndexToWait ] = ulReturn - ( uint32_t ) 1;
}
}
else
{
mtCOVERAGE_TEST_MARKER();
}

pxCurrentTCB[xPortGetCoreID()]->ucNotifyState[ uxIndexToWait ] = taskNOT_WAITING_NOTIFICATION;
}
taskEXIT_CRITICAL();

return ulReturn;
}

правильно понимаешь