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33
System2/RW_problem/semaphore-moniteur.h
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33
System2/RW_problem/semaphore-moniteur.h
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/*
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* Implementation de semaphore de comptage par moniteur
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* bibliothèque pthread
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* Moniteur = semaphores binaires(mutex) + conditions
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*
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*/
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#ifndef _SEM_
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#define _SEM_
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#include <pthread.h>
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/* Notions Globales */
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typedef struct {
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pthread_mutex_t mutex;
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pthread_cond_t attenteFifo;
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int nbAttente;
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int value;
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} type_semaphore;
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void init_semaphore(type_semaphore * sem,int val);
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void P_semaphore(type_semaphore * sem);
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void V_semaphore(type_semaphore * sem);
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void destroy_semaphore(type_semaphore * sem);
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int value_semaphore(type_semaphore * sem);
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int estVideFifo_semaphore(type_semaphore * sem);
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#endif
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