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[NPFS]

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- Partially revert r47370 and apply a better patch
- Change ReadEvent and WriteEvent to notification events because we reset those events manually when we run out of buffer space

svn path=/trunk/; revision=47375
This commit is contained in:
Cameron Gutman 2010-05-27 23:52:32 +00:00
parent b85a7deb22
commit f73d8199f7
2 changed files with 10 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

10
reactos/drivers/filesystems/npfs/create.c
View file

@ -205,8 +205,8 @@ NpfsCreate(PDEVICE_OBJECT DeviceObject,
ClientCcb->MaxDataLength = Fcb->OutboundQuota;
ExInitializeFastMutex(&ClientCcb->DataListLock);
KeInitializeEvent(&ClientCcb->ConnectEvent, SynchronizationEvent, FALSE);
KeInitializeEvent(&ClientCcb->ReadEvent, SynchronizationEvent, FALSE);
KeInitializeEvent(&ClientCcb->WriteEvent, SynchronizationEvent, FALSE);
KeInitializeEvent(&ClientCcb->ReadEvent, NotificationEvent, FALSE);
KeInitializeEvent(&ClientCcb->WriteEvent, NotificationEvent, FALSE);
/*
@ -540,8 +540,8 @@ NpfsCreateNamedPipe(PDEVICE_OBJECT DeviceObject,
DPRINT("CCB: %p\n", Ccb);
KeInitializeEvent(&Ccb->ConnectEvent, SynchronizationEvent, FALSE);
KeInitializeEvent(&Ccb->ReadEvent, SynchronizationEvent, FALSE);
KeInitializeEvent(&Ccb->WriteEvent, SynchronizationEvent, FALSE);
KeInitializeEvent(&Ccb->ReadEvent, NotificationEvent, FALSE);
KeInitializeEvent(&Ccb->WriteEvent, NotificationEvent, FALSE);
KeLockMutex(&Fcb->CcbListLock);
InsertTailList(&Fcb->ServerCcbListHead, &Ccb->CcbListEntry);
@ -619,7 +619,6 @@ NpfsCleanup(PDEVICE_OBJECT DeviceObject,
ExAcquireFastMutex(&OtherSide->DataListLock);
ExAcquireFastMutex(&Ccb->DataListLock);
}
OtherSide->PipeState = FILE_PIPE_CLOSING_STATE;
OtherSide->OtherSide = NULL;
/*
* Signaling the write event. If is possible that an other
@ -745,7 +744,6 @@ NpfsClose(PDEVICE_OBJECT DeviceObject,
/* Disconnect the pipes */
if (Ccb->OtherSide)
{
Ccb->OtherSide->PipeState = FILE_PIPE_CLOSING_STATE;
Ccb->OtherSide->OtherSide = NULL;
Ccb->OtherSide = NULL;
}

20
reactos/drivers/filesystems/npfs/rw.c
View file

@ -331,11 +331,8 @@ NpfsRead(IN PDEVICE_OBJECT DeviceObject,
if ((Ccb->OtherSide == NULL) && (Ccb->ReadDataAvailable == 0))
{
if (Ccb->PipeState == FILE_PIPE_CLOSING_STATE)
{
DPRINT("File pipe broken\n");
if (Ccb->PipeState == FILE_PIPE_CONNECTED_STATE)
Status = STATUS_PIPE_BROKEN;
}
else if (Ccb->PipeState == FILE_PIPE_LISTENING_STATE)
Status = STATUS_PIPE_LISTENING;
else if (Ccb->PipeState == FILE_PIPE_DISCONNECTED_STATE)
@ -443,7 +440,7 @@ NpfsRead(IN PDEVICE_OBJECT DeviceObject,
{
break;
}
if ((Ccb->PipeState != FILE_PIPE_CONNECTED_STATE) && (Ccb->ReadDataAvailable == 0))
if (((Ccb->PipeState != FILE_PIPE_CONNECTED_STATE) || (!Ccb->OtherSide)) && (Ccb->ReadDataAvailable == 0))
{
DPRINT("PipeState: %x\n", Ccb->PipeState);
Status = STATUS_PIPE_BROKEN;
@ -800,13 +797,13 @@ NpfsWrite(PDEVICE_OBJECT DeviceObject,
{
if ((ReaderCcb->WriteQuotaAvailable == 0))
{
KeSetEvent(&ReaderCcb->ReadEvent, IO_NO_INCREMENT, FALSE);
if (Ccb->PipeState != FILE_PIPE_CONNECTED_STATE)
if (Ccb->PipeState != FILE_PIPE_CONNECTED_STATE || !Ccb->OtherSide)
{
Status = STATUS_PIPE_BROKEN;
ExReleaseFastMutex(&ReaderCcb->DataListLock);
goto done;
}
KeSetEvent(&ReaderCcb->ReadEvent, IO_NO_INCREMENT, FALSE);
ExReleaseFastMutex(&ReaderCcb->DataListLock);
DPRINT("Write Waiting for buffer space (%S)\n", Fcb->PipeName.Buffer);
@ -830,20 +827,15 @@ NpfsWrite(PDEVICE_OBJECT DeviceObject,
* It's possible that the event was signaled because the
* other side of pipe was closed.
*/
if (Ccb->PipeState != FILE_PIPE_CONNECTED_STATE)
if (Ccb->PipeState != FILE_PIPE_CONNECTED_STATE || !Ccb->OtherSide)
{
DPRINT("PipeState: %x\n", Ccb->PipeState);
Status = STATUS_PIPE_BROKEN;
goto done;
}
/* Check that the pipe has not been closed */
if (ReaderCcb->PipeState != FILE_PIPE_CONNECTED_STATE)
if (ReaderCcb->PipeState != FILE_PIPE_CONNECTED_STATE || !ReaderCcb->OtherSide)
{
/* If the other side is valid, fire event */
if (Ccb)
{
KeResetEvent(&Ccb->WriteEvent);
}
Status = STATUS_PIPE_BROKEN;
goto done;
}