globals.h

一个modbus协议的opc server

#ifndef _countof
#define _countof(array) (sizeof(array)/sizeof(array[0]))
#endif

typedef enum
{
    tEventInformation = 0,	// define resource IDs between EVENT_FIRSTINFO and LASTINFO
    tEventError				// define resource IDs between EVENT_FIRSTERROR and LASTERROR
} EVENTTYPE;

class CSafeLock
{
public:
    CSafeLock (CSyncObject *pso)
    {
        ASSERT (pso);
        pso->Lock ();
        m_pso = pso;
    }
    
    ~CSafeLock ()
    {
        m_pso->Unlock ();
    }
    
private:
    CSyncObject *m_pso;
};