C / C++ / MFC

<br />
<br />
case 6://restarting the process using information from the file<br />
<br />
lpBaseAddress = 0;<br />
hProcess = mbi.BaseAddress;<br />
SetThreadContext( <br />
hThread, <br />
lpContext <br />
);<br />
/*<br />
OpenThread(<br />
dwDesiredAccess,  // handle to thread<br />
bInheritHandle,  // access to process<br />
dwThreadId,<br />
GetLastError()   // pointer to handle to open access token<br />
);*/<br />
<br />
if (OpenProcess(dwDesiredAccess, bInheritHandle,dwThreadId, GetlastError()) == NULL) <br />
printf("Unable to open thread\n");<br />
				<br />
SuspendThread(pi.hThread);// identifies thread to suspend<br />
<br />
fp = fopen("info.bin","r");<br />
if( fp )<br />
nSize = 10000;	//numbers of bytes in the file<br />
lpBuffer =	0;	//pointer to the file where data is to be read<br />
<br />
WriteProcessMemory(<br />
dwDesiredAccess,		// handle to process whose memory is written to<br />
lpBaseAddress,	// address to start writing to<br />
lpBuffer,	// pointer to buffer to write data to<br />
nSize,		// number of bytes to write<br />
lpNumberOfBytesWritten  // actual number of bytes written<br />
);<br />
<br />
printf("Numbers of bytes writen: ",lpNumberOfBytesWritten);<br />
<br />
ResumeThread(dwDesiredAccess);// identifies thread to restart<br />
GetLastError();<br />
<br />
break;<br />
<br />

template <class T><br />
class CProtectedBuffer  <br />
{<br />
public:	<br />
	int DeQueue(T &cElement);<br />
	int Enqueue(const T  &newElem);<br />
	CProtectedBuffer();<br />
	virtual ~CProtectedBuffer();<br />
private :<br />
	void Enter();<br />
	void Leave();<br />
	CRITICAL_SECTION cs ; <br />
	T t[MAX_PBUF_SIZE] ; <br />
	// T bBuffer[MAX_PBUF_SIZE];<br />
	int objCount;<br />
<br />
	int headIndex ;<br />
	int tailIndex;<br />
	int size ; 	<br />
<br />
};

<br />
<br />
class RcvBuffer{<br />
<br />
public : <br />
	RcvBuffer():toolName(""),buffer(0),packetSize(0)<br />
		 {<br />
		 }; <br />
		 ~RcvBuffer(){<br />
			 if(buffer){<br />
				 delete buffer ;<br />
				 buffer = 0 ; <br />
			 }<br />
		 };<br />
<br />
		 const RcvBuffer& operator=(const RcvBuffer &rhs)<br />
		 {<br />
			 if(buffer){<br />
				 delete [] buffer ; <br />
				 buffer = 0;<br />
			 }<br />
			 int sz = rhs.GetPacketSize() ; <br />
			 if(sz){<br />
				 toolName = rhs.GetToolName();<br />
				 packetSize = sz ; <br />
				 buffer = new UINT8[sz] ;<br />
				 for(int i=0;i<sz;i++){<br />
					 buffer[i] = rhs.BufferValueAt(i);<br />
				 }<br />
			 }	<br />
			 return (*this); <br />
<br />
		 };<br />
<br />
		 const int GetPacketSize() const <br />
		 {<br />
			 return packetSize ; <br />
		 };<br />
<br />
		 const UINT8 BufferValueAt(const int &index) const <br />
		 {<br />
			 if(index<packetSize ){<br />
				 return buffer[index];<br />
			 }<br />
			 return 0;<br />
		 };<br />
		 const string& GetToolName() const <br />
		 {<br />
			 return toolName;<br />
		 };<br />
<br />
		 int Clear() <br />
		 {<br />
			 if(buffer){<br />
				 delete buffer ;<br />
				 buffer = 0 ; <br />
			 }<br />
			 packetSize = 0; <br />
			 toolName ="";<br />
<br />
		 };<br />
private : <br />
	string toolName ;<br />
	UINT8 *buffer ;<br />
	int packetSize ; <br />
}; 

template <class T><br />
CProtectedBuffer<T>::CProtectedBuffer():headIndex(0),tailIndex(0),size(0)<br />
{<br />
//	Before using a critical section, some thread of the process must call the InitializeCriticalSection or <br />
//	InitializeCriticalSectionAndSpinCount function to initialize the object. <br />
	::InitializeCriticalSection(&cs);<br />
<br />
<br />
<br />
}<br />
template <class T><br />
CProtectedBuffer<T>::~CProtectedBuffer()<br />
{<br />
..<br />
..<br />
..<br />
}

linking...<br />
<small>EepromServer.obj : error LNK2001: unresolved external symbol "public: __thiscall CProtectedBuffer<class RcvBuffer>::CProtectedBuffer<class RcvBuffer>(void)" (??0?$CProtectedBuffer@VRcvBuffer@@@@QAE@XZ)<br />
EepromServer.obj : error LNK2001: unresolved external symbol "public: virtual __thiscall CProtectedBuffer<class RcvBuffer>::~CProtectedBuffer<class RcvBuffer>(void)" (??1?$CProtectedBuffer@VRcvBuffer@@@@UAE@XZ)<br />
Debug/EepromServer.exe : fatal error LNK1120: 2 unresolved externals<br />
Error executing link.exe.</small>