#ifndef __CDBSHM_H
#define __CDBSHM_H

#ifdef _WINDOWS64
#ifdef PUB_TOOLS_EXPORTS
#define PUB_TOOLS_API __declspec(dllexport)
#else
#define PUB_TOOLS_API __declspec(dllimport)
#endif
#else
#define PUB_TOOLS_API
#endif

#include <sys/types.h>

#ifndef _WINDOWS64
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <netdb.h>

#include <sys/ipc.h>
#include <sys/shm.h>
#include <sys/wait.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/utsname.h>
#include <sys/uio.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <algorithm>
#include <errno.h>
#include <sys/sem.h>
#include <ctype.h>
#include <vector>
#include <math.h>
#include <sys/mman.h>
#include <assert.h>
#ifdef _HPUX
#include <sys/pthread.h>
#else
#include <pthread.h>
#endif
#include <signal.h>
#include <dirent.h>
#include <malloc.h>
#else
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <direct.h>
#include <io.h>
#include <windows.h>
#include <errno.h>
#endif

class PUB_TOOLS_API CDbShm
{

public:
	CDbShm();
	~CDbShm();
private:

	static int m_TotalShmSize;

	static char * m_pShm;
public:
#ifndef _WINDOWS64
	int InitShm(key_t key, int size);
#else
	int InitShm(const char* file_name, const int size);
#endif	 

	static int SetShmSize(int nSize);

	static int GetShmSize(int &nSize);

	int WriteShm(char * inShm, int inSize, int ptrOffset);

	int ReadShm(char * &outShm, int outSize, int ptrOffset);

	char* MapFile(const char* file_name, const int stab_total_size);

	int ReadShmEx(char * outShm, int outSize, int ptrOffset);

};

#endif