d474a5b952
git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1320 8c4709b5-6ec9-48aa-a5cd-a96041d1645a
58 lines
1.3 KiB
C++
58 lines
1.3 KiB
C++
/**
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* \brief A queue for experiment data.
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*
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*
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* \author Martin Hoffmann, Richard Hellwig
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*
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*/
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// FIXME: This file is not used. Delete it.
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#ifndef __SYNC_EXPERIMENT_DATA_QUEUE_H__
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#define __SYNC_EXPERIMENT_DATA_QUEUE_H__
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#include "ExperimentDataQueue.hpp"
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#include "Signal.hpp"
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namespace fi{
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/**
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* \class SynchronizedExperimentDataQueue
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* Class which manage ExperimentData in a queue.
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* Thread safe using semphores.
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*/
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class SynchronizedExperimentDataQueue : public ExperimentDataQueue
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{
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private:
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/// There are maxSize elements in at a time
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/// Or do we allow a really possibly huge queue?
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Semaphore m_sema_full;
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Semaphore m_sema_empty;
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public:
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SynchronizedExperimentDataQueue(int maxSize = 1024) : m_sema_full(maxSize), m_sema_empty(0) {}
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~SynchronizedExperimentDataQueue() {}
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/**
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* Adds ExperimentData to the queue.
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* @param exp ExperimentData that is to be added to the queue.
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*/
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void addData(ExperimentData* exp);
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/**
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* Returns an item from the queue
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* @return the next element of the queue
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*/
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ExperimentData* getData();
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/**
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* Returns the number of elements in the queue
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* @return the size of the queue
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*/
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size_t size() const { return m_queue.size(); };
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};
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};
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#endif //__EXPERIMENT_DATA_QUEUE_H__
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