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Do only signal the other side of the pipe if the pipe is connected.
svn path=/trunk/; revision=13767
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parent
4674211527
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2e93c2f4d9
1 changed files with 8 additions and 2 deletions
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@ -102,7 +102,10 @@ NpfsRead(PDEVICE_OBJECT DeviceObject,
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if (Fcb->ReadDataAvailable == 0)
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if (Fcb->ReadDataAvailable == 0)
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{
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{
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KeResetEvent(&Fcb->Event);
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KeResetEvent(&Fcb->Event);
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KeSetEvent(&WriterFcb->Event, IO_NO_INCREMENT, FALSE);
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if (Fcb->PipeState == FILE_PIPE_CONNECTED_STATE)
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{
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KeSetEvent(&WriterFcb->Event, IO_NO_INCREMENT, FALSE);
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}
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KeReleaseSpinLock(&Fcb->DataListLock, OldIrql);
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KeReleaseSpinLock(&Fcb->DataListLock, OldIrql);
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if (Information > 0)
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if (Information > 0)
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{
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{
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@ -190,7 +193,10 @@ NpfsRead(PDEVICE_OBJECT DeviceObject,
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if (Information > 0)
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if (Information > 0)
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{
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{
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KeSetEvent(&WriterFcb->Event, IO_NO_INCREMENT, FALSE);
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if (Fcb->PipeState == FILE_PIPE_CONNECTED_STATE)
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{
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KeSetEvent(&WriterFcb->Event, IO_NO_INCREMENT, FALSE);
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}
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break;
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break;
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}
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}
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}
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}
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