Permit no more than two simultaneous occurrences of interrupts adding everything to queues instead of tasks.

Demo/Common/Minimal/IntQueue.c

@@ -274,7 +274,7 @@ static void prvQueueAccessLogError( unsigned portBASE_TYPE uxLine )
 
 static void prvHigherPriorityNormallyEmptyTask( void *pvParameters )
 {
-unsigned portBASE_TYPE uxRxed, ux, uxTask1, uxTask2;
+unsigned portBASE_TYPE uxRxed, ux, uxTask1, uxTask2, uxErrorCount1 = 0, uxErrorCount2 = 0;
 
 	/* The timer should not be started until after the scheduler has started.
 	More than one task is running this code so we check the parameter value
@@ -339,14 +339,30 @@ unsigned portBASE_TYPE uxRxed, ux, uxTask1, uxTask2;
 				if( uxTask1 < intqMIN_ACCEPTABLE_TASK_COUNT )
 				{
 					/* Only task 2 seemed to log any values. */
+					uxErrorCount1++;
+					if( uxErrorCount1 > 2 )
+					{
 						prvQueueAccessLogError( __LINE__ );
 					}
+				}
+				else
+				{
+					uxErrorCount1 = 0;
+				}
 
 				if( uxTask2 < intqMIN_ACCEPTABLE_TASK_COUNT  )
 				{
 					/* Only task 1 seemed to log any values. */
+					uxErrorCount2++;
+					if( uxErrorCount2 > 2 )
+					{
 						prvQueueAccessLogError( __LINE__ );
 					}
+				}
+				else
+				{
+					uxErrorCount2 = 0;
+				}
 
 				/* Clear the array again, ready to start a new cycle. */
 				memset( ucNormallyEmptyReceivedValues, 0x00, sizeof( ucNormallyEmptyReceivedValues ) );