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pvData/pvDataApp/monitor/monitorQueue.h

49 lines
1.3 KiB
C++

/* monitorQueue.h */
/**
* Copyright - See the COPYRIGHT that is included with this distribution.
* EPICS pvDataCPP is distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
*/
/* Marty Kraimer 2011.03 */
#ifndef MONITORQUEUE_H
#define MONITORQUEUE_H
#include <string>
#include <stdexcept>
#include <memory>
#include <vector>
#include <pv/pvData.h>
#include <pv/monitor.h>
#include <pv/queue.h>
#include <pv/sharedPtr.h>
namespace epics { namespace pvData {
typedef PVStructure::shared_pointer* PVStructureSharedPointerPtr;
typedef PVStructureSharedPointerPtr* PVStructureSharedPointerPtrArray;
class MonitorQueue {
public:
MonitorQueue(PVStructureSharedPointerPtrArray structures,int number);
~MonitorQueue();
static PVStructureSharedPointerPtrArray createStructures(
PVStructurePtrArray array,int number);
void clear();
int getNumberFree();
int capacity();
MonitorElementPtr & getFree();
void setUsed(MonitorElementPtr & element);
MonitorElementPtr getUsed();
void releaseUsed(MonitorElementPtr & element);
private:
int number;
PVStructureSharedPointerPtrArray structures;
Queue<MonitorElementPtr> *queue;
MonitorElementPtr **queueElements;
MonitorElementPtr nullElement;
};
}}
#endif /* MONITORQUEUE_H */