[Com0com-cvs] com0com ioctl.c,1.19,1.20

[Vyacheslav F. <vf...@us...>]

Update of /cvsroot/com0com/com0com
In directory sc8-pr-cvs4.sourceforge.net:/tmp/cvs-serv29056

Modified Files:
	ioctl.c 
Log Message:
Implemented SERIAL_RX_WAITING_FOR_DSR


Index: ioctl.c
===================================================================
RCS file: /cvsroot/com0com/com0com/ioctl.c,v
retrieving revision 1.19
retrieving revision 1.20
diff -C2 -d -r1.19 -r1.20
*** ioctl.c	17 May 2006 15:31:14 -0000	1.19
--- ioctl.c	18 May 2006 08:00:30 -0000	1.20
***************
*** 20,23 ****
--- 20,26 ----
   *
   * $Log$
+  * Revision 1.20  2006/05/18 08:00:30  vfrolov
+  * Implemented SERIAL_RX_WAITING_FOR_DSR
+  *
   * Revision 1.19  2006/05/17 15:31:14  vfrolov
   * Implemented SERIAL_TRANSMIT_TOGGLE
***************
*** 337,344 ****
  
        pSysBuf = (PSERIAL_STATUS)pIrp->AssociatedIrp.SystemBuffer;
        pIoPort = pDevExt->pIoPortLocal;
  
        KeAcquireSpinLock(pDevExt->pIoLock, &oldIrql);
!       RtlZeroMemory(pSysBuf, sizeof(*pSysBuf));
        pSysBuf->AmountInInQueue = (ULONG)C0C_BUFFER_BUSY(&pIoPort->readBuf);
  
--- 340,348 ----
  
        pSysBuf = (PSERIAL_STATUS)pIrp->AssociatedIrp.SystemBuffer;
+       RtlZeroMemory(pSysBuf, sizeof(*pSysBuf));
        pIoPort = pDevExt->pIoPortLocal;
  
        KeAcquireSpinLock(pDevExt->pIoLock, &oldIrql);
! 
        pSysBuf->AmountInInQueue = (ULONG)C0C_BUFFER_BUSY(&pIoPort->readBuf);
  
***************
*** 357,363 ****
--- 361,376 ----
        pSysBuf->AmountInOutQueue = pIoPort->amountInWriteQueue;
        pSysBuf->HoldReasons = pIoPort->writeHolding;
+ 
+       if ((pIoPort->pDevExt->handFlow.ControlHandShake & SERIAL_DSR_SENSITIVITY) &&
+           (pIoPort->modemStatus & C0C_MSB_DSR) == 0)
+       {
+         pSysBuf->HoldReasons |= SERIAL_RX_WAITING_FOR_DSR;
+       }
+ 
        pSysBuf->Errors = pIoPort->errors;
        pIoPort->errors = 0;
+ 
        KeReleaseSpinLock(pDevExt->pIoLock, oldIrql);
+ 
        pIrp->IoStatus.Information = sizeof(SERIAL_STATUS);