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1189
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1 #ifndef INCLUDED_SEM_MAIL_MANAGER
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2 #define INCLUDED_SEM_MAIL_MANAGER
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3
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4 #include <pthread.h>
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5 #include "MailManager.h"
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6 #include "types.h"
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7 #include "Sem.h"
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8
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9 class SemMailManager : public MailManager {
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10 public:
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11 /* constructor */
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12 SemMailManager(unsigned int qsize = 32) ;
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13
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14 ~SemMailManager();
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15
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16 /* functions */
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17 void send(memaddr data);
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18 memaddr recv();
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19 int count();
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20
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21 private:
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22 /* variables */
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23 memaddr *queue;
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24 SemPtr queue_remain;
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25 SemPtr queue_count;
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26 unsigned int size;
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27 unsigned int read;
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28 unsigned int write;
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29 unsigned int mask;
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30
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31 void calc_mask(unsigned int qsize);
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32 void extend();
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33 } ;
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34
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35 typedef SemMailManager *SemMailManagerPtr;
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36
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37 #endif
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