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98 lines
1.5 KiB
98 lines
1.5 KiB
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1992 - 1999
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//
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// File: queue.hxx
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//
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//--------------------------------------------------------------------------
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/*++
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--*/
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#ifndef __QUEUE_HXX__
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#define __QUEUE_HXX__
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#define INITIALQUEUESLOTS 4
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typedef struct
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{
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void * Buffer;
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unsigned int BufferLength;
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} QUEUE_ITEM;
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class QUEUE
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{
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private:
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QUEUE_ITEM * QueueSlots;
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int NumberOfQueueSlots;
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int EndOfQueue;
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QUEUE_ITEM InitialQueueSlots[INITIALQUEUESLOTS];
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public:
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QUEUE (
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);
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~QUEUE (
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);
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int
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PutOnQueue (
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IN void * Item,
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IN unsigned int Length
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);
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int
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PutOnFrontOfQueue (
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IN void * Item,
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IN unsigned int Length
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);
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void *
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TakeOffQueue (
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OUT unsigned int * Length
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);
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void *
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TakeOffEndOfQueue (
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OUT unsigned int * Length
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);
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int
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FindAndTakeOffQueue (
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IN void * Item
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);
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int
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IsQueueEmpty (
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)
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{
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return(!(EndOfQueue));
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}
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int
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Size (
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)
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{
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return EndOfQueue;
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}
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int
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MergeWithQueue (
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IN QUEUE *SourceQueue
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);
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int
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MergeWithQueueInFront (
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IN QUEUE *SourceQueue
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);
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};
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#endif // __QUEUE_HXX__
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