BOOLEAN KdPollBreakIn( VOID ); Routine Description: This procedure raises IRQL to high_level, seizes the Debug port spinlock, and checks to see if a breakin packet is pending. If a packet is present, return TRUE, else FALSE. A packet is present if: There is a valid character which matches BREAK_CHAR. N.B. Interrupts must be OFF around this call Return Value: TRUE if breakin sequence present, caller should execute int-3. FALSE if no breakin seen.