Thread: [Com0com-cvs] com0com/sys com0com.h, 1.34, 1.35 io.c, 1.30, 1.31 openclos.c, 1.17, 1.18 pnp.c, 1.7,
The virtual serial port driver for Windows.
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com0com-cvs
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From: Vyacheslav F. <vf...@us...> - 2007-06-04 15:24:42
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Update of /cvsroot/com0com/com0com/sys In directory sc8-pr-cvs4.sourceforge.net:/tmp/cvs-serv9382 Modified Files: com0com.h io.c openclos.c pnp.c startirp.c timeout.c timeout.h Log Message: Fixed open reject just after close in exclusiveMode Index: openclos.c =================================================================== RCS file: /cvsroot/com0com/com0com/sys/openclos.c,v retrieving revision 1.17 retrieving revision 1.18 diff -C2 -d -r1.17 -r1.18 *** openclos.c 1 Jun 2007 16:22:40 -0000 1.17 --- openclos.c 4 Jun 2007 15:24:32 -0000 1.18 *************** *** 20,23 **** --- 20,26 ---- * * $Log$ + * Revision 1.18 2007/06/04 15:24:32 vfrolov + * Fixed open reject just after close in exclusiveMode + * * Revision 1.17 2007/06/01 16:22:40 vfrolov * Implemented plug-in and exclusive modes *************** *** 83,86 **** --- 86,90 ---- #include "bufutils.h" #include "strutils.h" + #include "timeout.h" NTSTATUS FdoPortOpen(IN PC0C_FDOPORT_EXTENSION pDevExt) *************** *** 174,179 **** } ! NTSTATUS FdoPortClose(IN PC0C_FDOPORT_EXTENSION pDevExt) { LIST_ENTRY queueToComplete; KIRQL oldIrql; --- 178,205 ---- } ! NTSTATUS StartIrpClose( ! IN PC0C_IO_PORT pIoPort, ! IN PLIST_ENTRY pQueueToComplete) { + UNREFERENCED_PARAMETER(pQueueToComplete); + + if (!pIoPort->exclusiveMode) { + PIRP pIrp; + + InterlockedDecrement(&pIoPort->pDevExt->openCount); + pIrp = pIoPort->irpQueues[C0C_QUEUE_CLOSE].pCurrent; + pIrp->IoStatus.Information = 0; + return STATUS_SUCCESS; + } + + IoInvalidateDeviceRelations(pIoPort->pPhDevObj, BusRelations); + SetCloseTimeout(pIoPort); + + return STATUS_PENDING; + } + + NTSTATUS FdoPortClose(IN PC0C_FDOPORT_EXTENSION pDevExt, IN PIRP pIrp) + { + NTSTATUS status; LIST_ENTRY queueToComplete; KIRQL oldIrql; *************** *** 199,210 **** KeReleaseSpinLock(pIoPort->pIoLock, oldIrql); - if (pIoPort->exclusiveMode) - IoInvalidateDeviceRelations(pIoPort->pPhDevObj, BusRelations); - FdoPortCompleteQueue(&queueToComplete); ! InterlockedDecrement(&pDevExt->openCount); ! return STATUS_SUCCESS; } --- 225,238 ---- KeReleaseSpinLock(pIoPort->pIoLock, oldIrql); FdoPortCompleteQueue(&queueToComplete); ! status = FdoPortStartIrp(pIoPort, pIrp, C0C_QUEUE_CLOSE, StartIrpClose); ! if (status != STATUS_PENDING) { ! pIrp->IoStatus.Status = status; ! IoCompleteRequest(pIrp, IO_NO_INCREMENT); ! } ! ! return status; } *************** *** 226,231 **** --- 254,261 ---- pIrp->IoStatus.Information = 0; + #if DBG if (!NT_SUCCESS(status)) TraceIrp("c0cOpen", pIrp, &status, TRACE_FLAG_RESULTS); + #endif /* DBG */ pIrp->IoStatus.Status = status; *************** *** 240,260 **** PC0C_COMMON_EXTENSION pDevExt = pDevObj->DeviceExtension; TraceIrp("--- Close ---", pIrp, NULL, TRACE_FLAG_PARAMS); switch (pDevExt->doType) { case C0C_DOTYPE_FP: ! status = FdoPortClose((PC0C_FDOPORT_EXTENSION)pDevExt); break; default: status = STATUS_INVALID_DEVICE_REQUEST; } ! pIrp->IoStatus.Information = 0; ! ! if (!NT_SUCCESS(status)) ! TraceIrp("c0cClose", pIrp, &status, TRACE_FLAG_RESULTS); ! ! pIrp->IoStatus.Status = status; ! IoCompleteRequest(pIrp, IO_NO_INCREMENT); return status; --- 270,294 ---- PC0C_COMMON_EXTENSION pDevExt = pDevObj->DeviceExtension; + #if DBG + ULONG code = IoGetCurrentIrpStackLocation(pIrp)->MajorFunction; + #endif /* DBG */ + TraceIrp("--- Close ---", pIrp, NULL, TRACE_FLAG_PARAMS); switch (pDevExt->doType) { case C0C_DOTYPE_FP: ! status = FdoPortClose((PC0C_FDOPORT_EXTENSION)pDevExt, pIrp); break; default: status = STATUS_INVALID_DEVICE_REQUEST; + pIrp->IoStatus.Information = 0; + pIrp->IoStatus.Status = status; + IoCompleteRequest(pIrp, IO_NO_INCREMENT); } ! #if DBG ! if (status != STATUS_SUCCESS) ! TraceCode(pDevExt, "IRP_MJ_", codeNameTableIrpMj, code, &status); ! #endif /* DBG */ return status; Index: timeout.h =================================================================== RCS file: /cvsroot/com0com/com0com/sys/timeout.h,v retrieving revision 1.5 retrieving revision 1.6 diff -C2 -d -r1.5 -r1.6 *** timeout.h 20 Feb 2007 12:05:11 -0000 1.5 --- timeout.h 4 Jun 2007 15:24:33 -0000 1.6 *************** *** 20,23 **** --- 20,26 ---- * * $Log$ + * Revision 1.6 2007/06/04 15:24:33 vfrolov + * Fixed open reject just after close in exclusiveMode + * * Revision 1.5 2007/02/20 12:05:11 vfrolov * Implemented IOCTL_SERIAL_XOFF_COUNTER *************** *** 47,50 **** --- 50,55 ---- VOID SetIntervalTimeout(PC0C_IO_PORT pIoPort); + VOID SetCloseTimeout(PC0C_IO_PORT pIoPort); + VOID SetXoffCounterTimeout( PC0C_IO_PORT pIoPort, Index: com0com.h =================================================================== RCS file: /cvsroot/com0com/com0com/sys/com0com.h,v retrieving revision 1.34 retrieving revision 1.35 diff -C2 -d -r1.34 -r1.35 *** com0com.h 1 Jun 2007 16:22:40 -0000 1.34 --- com0com.h 4 Jun 2007 15:24:32 -0000 1.35 *************** *** 20,23 **** --- 20,26 ---- * * $Log$ + * Revision 1.35 2007/06/04 15:24:32 vfrolov + * Fixed open reject just after close in exclusiveMode + * * Revision 1.34 2007/06/01 16:22:40 vfrolov * Implemented plug-in and exclusive modes *************** *** 214,219 **** #define C0C_QUEUE_WRITE 1 #define C0C_QUEUE_WAIT 2 ! #define C0C_QUEUE_SIZE 3 C0C_IRP_QUEUE irpQueues[C0C_QUEUE_SIZE]; --- 217,223 ---- #define C0C_QUEUE_WRITE 1 #define C0C_QUEUE_WAIT 2 + #define C0C_QUEUE_CLOSE 3 ! #define C0C_QUEUE_SIZE 4 C0C_IRP_QUEUE irpQueues[C0C_QUEUE_SIZE]; *************** *** 229,232 **** --- 233,239 ---- KDPC timerWriteTotalDpc; + KTIMER timerClose; + KDPC timerCloseDpc; + struct _C0C_ADAPTIVE_DELAY *pWriteDelay; *************** *** 399,402 **** --- 406,410 ---- ULONG GetWriteLength(IN PIRP pIrp); + #define C0C_IO_TYPE_CLOSE_COMPLETE 2 #define C0C_IO_TYPE_WAIT_COMPLETE 3 #define C0C_IO_TYPE_INSERT 4 Index: startirp.c =================================================================== RCS file: /cvsroot/com0com/com0com/sys/startirp.c,v retrieving revision 1.16 retrieving revision 1.17 diff -C2 -d -r1.16 -r1.17 *** startirp.c 20 Feb 2007 12:05:11 -0000 1.16 --- startirp.c 4 Jun 2007 15:24:33 -0000 1.17 *************** *** 20,23 **** --- 20,26 ---- * * $Log$ + * Revision 1.17 2007/06/04 15:24:33 vfrolov + * Fixed open reject just after close in exclusiveMode + * * Revision 1.16 2007/02/20 12:05:11 vfrolov * Implemented IOCTL_SERIAL_XOFF_COUNTER *************** *** 100,103 **** --- 103,107 ---- break; case IRP_MJ_FLUSH_BUFFERS: + case IRP_MJ_CLOSE: return (PC0C_IRP_STATE)&pIrpStack->Parameters.Others.Argument1; } Index: io.c =================================================================== RCS file: /cvsroot/com0com/com0com/sys/io.c,v retrieving revision 1.30 retrieving revision 1.31 diff -C2 -d -r1.30 -r1.31 *** io.c 20 Feb 2007 12:05:11 -0000 1.30 --- io.c 4 Jun 2007 15:24:32 -0000 1.31 *************** *** 20,23 **** --- 20,26 ---- * * $Log$ + * Revision 1.31 2007/06/04 15:24:32 vfrolov + * Fixed open reject just after close in exclusiveMode + * * Revision 1.30 2007/02/20 12:05:11 vfrolov * Implemented IOCTL_SERIAL_XOFF_COUNTER *************** *** 675,682 **** PIRP pIrpCurrent; PDRIVER_CANCEL pCancelRoutineCurrent; - SIZE_T done; first = TRUE; - done = 0; status = STATUS_PENDING; --- 678,683 ---- *************** *** 701,704 **** --- 702,710 ---- InsertDirect((PC0C_RAW_DATA)pParam, pIrpCurrent, &status, &statusCurrent, &doneCurrent); break; + case C0C_IO_TYPE_CLOSE_COMPLETE: + InterlockedDecrement(&pIoPort->pDevExt->openCount); + pIrpCurrent->IoStatus.Information = 0; + statusCurrent = STATUS_SUCCESS; + break; } Index: pnp.c =================================================================== RCS file: /cvsroot/com0com/com0com/sys/pnp.c,v retrieving revision 1.7 retrieving revision 1.8 diff -C2 -d -r1.7 -r1.8 *** pnp.c 1 Jun 2007 16:22:40 -0000 1.7 --- pnp.c 4 Jun 2007 15:24:33 -0000 1.8 *************** *** 20,23 **** --- 20,26 ---- * * $Log$ + * Revision 1.8 2007/06/04 15:24:33 vfrolov + * Fixed open reject just after close in exclusiveMode + * * Revision 1.7 2007/06/01 16:22:40 vfrolov * Implemented plug-in and exclusive modes *************** *** 319,322 **** --- 322,327 ---- switch (minorFunction) { case IRP_MN_QUERY_DEVICE_RELATIONS: { + LIST_ENTRY queueToComplete; + KIRQL oldIrql; PC0C_IO_PORT pIoPort = pDevExt->pIoPortLocal; *************** *** 328,331 **** --- 333,350 ---- ShowPort(pDevExt); } + + /* complete pending CLOSE IRPs */ + + InitializeListHead(&queueToComplete); + + KeAcquireSpinLock(pIoPort->pIoLock, &oldIrql); + FdoPortIo(C0C_IO_TYPE_CLOSE_COMPLETE, + NULL, + pIoPort, + &pIoPort->irpQueues[C0C_QUEUE_CLOSE], + &queueToComplete); + KeReleaseSpinLock(pIoPort->pIoLock, oldIrql); + + FdoPortCompleteQueue(&queueToComplete); break; } Index: timeout.c =================================================================== RCS file: /cvsroot/com0com/com0com/sys/timeout.c,v retrieving revision 1.8 retrieving revision 1.9 diff -C2 -d -r1.8 -r1.9 *** timeout.c 20 Feb 2007 12:05:11 -0000 1.8 --- timeout.c 4 Jun 2007 15:24:33 -0000 1.9 *************** *** 20,23 **** --- 20,26 ---- * * $Log$ + * Revision 1.9 2007/06/04 15:24:33 vfrolov + * Fixed open reject just after close in exclusiveMode + * * Revision 1.8 2007/02/20 12:05:11 vfrolov * Implemented IOCTL_SERIAL_XOFF_COUNTER *************** *** 75,82 **** pState->flags |= C0C_IRP_FLAG_EXPIRED; ! if (pState->iQueue == C0C_QUEUE_WRITE) ! ReadWrite(pIoPort->pIoPortRemote, FALSE, pIoPort, FALSE, &queueToComplete); ! else ! ReadWrite(pIoPort, FALSE, pIoPort->pIoPortRemote, FALSE, &queueToComplete); } --- 78,96 ---- pState->flags |= C0C_IRP_FLAG_EXPIRED; ! switch (pState->iQueue) { ! case C0C_QUEUE_WRITE: ! ReadWrite(pIoPort->pIoPortRemote, FALSE, pIoPort, FALSE, &queueToComplete); ! break; ! case C0C_QUEUE_READ: ! ReadWrite(pIoPort, FALSE, pIoPort->pIoPortRemote, FALSE, &queueToComplete); ! break; ! case C0C_QUEUE_CLOSE: ! FdoPortIo(C0C_IO_TYPE_CLOSE_COMPLETE, ! NULL, ! pIoPort, ! &pIoPort->irpQueues[C0C_QUEUE_CLOSE], ! &queueToComplete); ! break; ! } } *************** *** 277,280 **** --- 291,309 ---- } + VOID TimeoutClose( + IN PKDPC pDpc, + IN PVOID deferredContext, + IN PVOID systemArgument1, + IN PVOID systemArgument2) + { + PC0C_IO_PORT pIoPort = (PC0C_IO_PORT)deferredContext; + + UNREFERENCED_PARAMETER(pDpc); + UNREFERENCED_PARAMETER(systemArgument1); + UNREFERENCED_PARAMETER(systemArgument2); + + TimeoutRoutine(pIoPort, &pIoPort->irpQueues[C0C_QUEUE_CLOSE]); + } + VOID AllocTimeouts(PC0C_IO_PORT pIoPort) { *************** *** 282,289 **** --- 311,320 ---- KeInitializeTimer(&pIoPort->timerReadInterval); KeInitializeTimer(&pIoPort->timerWriteTotal); + KeInitializeTimer(&pIoPort->timerClose); KeInitializeDpc(&pIoPort->timerReadTotalDpc, TimeoutReadTotal, pIoPort); KeInitializeDpc(&pIoPort->timerReadIntervalDpc, TimeoutReadInterval, pIoPort); KeInitializeDpc(&pIoPort->timerWriteTotalDpc, TimeoutWriteTotal, pIoPort); + KeInitializeDpc(&pIoPort->timerCloseDpc, TimeoutClose, pIoPort); } *************** *** 293,300 **** --- 324,333 ---- KeCancelTimer(&pIoPort->timerReadInterval); KeCancelTimer(&pIoPort->timerWriteTotal); + KeCancelTimer(&pIoPort->timerClose); KeRemoveQueueDpc(&pIoPort->timerReadTotalDpc); KeRemoveQueueDpc(&pIoPort->timerReadIntervalDpc); KeRemoveQueueDpc(&pIoPort->timerWriteTotalDpc); + KeRemoveQueueDpc(&pIoPort->timerCloseDpc); } *************** *** 304,307 **** --- 337,349 ---- } + VOID SetCloseTimeout(PC0C_IO_PORT pIoPort) + { + LARGE_INTEGER total; + + total.QuadPart = ((LONGLONG)1000) * -10000; + + KeSetTimer(&pIoPort->timerClose, total, &pIoPort->timerCloseDpc); + } + NTSTATUS SetIrpTimeout( PC0C_IO_PORT pIoPort, |
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