38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
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#pragma once
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#include "monitor.h"
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#include <QThread>
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#include <QSemaphore>
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template<typename T>
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class Producer : public QThread {
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private:
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static QSemaphore numProducts;
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int ID;
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static Monitor<T> *mon;
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public:
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static T (*produce)(int);
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static void initClass(int numP, Monitor<T> *m, T(*prod)(int)) {
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mon = m;
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numProducts.release(numP);
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produce = prod;
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};
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Producer(int i) : ID(i) {};
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Producer(QObject *parent, int id);
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void run() {
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while (numProducts.tryAcquire()) { // While not all numProducts items are produced:
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T item = (*produce)(ID); // Produce one item
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T *aux = mon->canPut(); // Get place for item in emptySpotsQ
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*aux = item; // Put item into emptySpotsQ
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mon->donePutting(aux); // Give info to consumer threads
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}
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};
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};
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template<typename T> QSemaphore Producer<T>::numProducts;
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template<typename T> Monitor<T> * Producer<T>::mon;
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template<> int (*Producer<int>::produce)(int) = NULL;
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