semaphorepp.hpp

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/* -*- mode: c++; c-basic-offset: 4; -*- */
/* Created by Hershal Bhave and Eric Crosson 2015-03-08 */
/* Revision history: Look in Git FGT */
#ifndef __semaphorepp__
#define __semaphorepp__

#include <stdint.h>

#include "criticalpp.hpp"

#define TEST_SEMAPHORE 1

class semaphore : public critical {
private:
    int16_t value;
#if TEST_SEMAPHORE == 1
    uint32_t total_posts;
#endif
public:
    semaphore();
    semaphore(int16_t initial_value);

    void init(void);

    void post(void);

    void wait(void);

    void take(void);

    bool guard(void);

    bool blocked(void);

    void reset(void);
};

#endif

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