Resource.h

/*----------------------------------------------------------------------------*/
/* Copyright (c) FIRST 2008. All Rights Reserved.                             */
/* Open Source Software - may be modified and shared by FRC teams. The code   */
/* must be accompanied by the FIRST BSD license file in $(WIND_BASE)/WPILib.  */
/*----------------------------------------------------------------------------*/

#ifndef RESOURCE_H_
#define RESOURCE_H_

#include "ErrorBase.h"
#include "Synchronized.h"
#include <vxWorks.h>

class Resource : public ErrorBase
{
public:
    virtual ~Resource();
    static void CreateResourceObject(Resource **r, uint32_t elements);
    uint32_t Allocate(const char *resourceDesc);
    uint32_t Allocate(uint32_t index, const char *resourceDesc);
    void Free(uint32_t index);

private:
    explicit Resource(uint32_t size);

    bool *m_isAllocated;
    ReentrantSemaphore m_allocateLock;
    uint32_t m_size;

    static ReentrantSemaphore m_createLock;

    DISALLOW_COPY_AND_ASSIGN(Resource);
};

#endif