C / C++ / MFC

<br />
case 5://checkpointing<br />
				<br />
SuspendThread(pi.hThread);// identifies thread to suspend<br />
	printf("\nThe thread of ID: %d",pi.dwProcessId);<br />
	printf(" has been suspended!\n");<br />
	GetLastError();<br />
			<br />
	GetThreadContext(<br />
	hProcess,       // handle to thread with context<br />
	lpContext   // address of context structure<br />
	);<br />
	GetLastError();<br />
<br />
	regnum = 0;<br />
	base = 0;<br />
	fp = fopen("checkpoint.bin","w");<br />
	if( fp )<br />
<br />
	while (base < sinfo.lpMaximumApplicationAddress) <br />
<br />
	 {<br />
          VirtualQueryEx(hProcess, base, &mbi, sizeof(mbi));<br />
<br />
          if (mbi.State == MEM_COMMIT)<br />
               state = "Used";<br />
          else if (mbi.State == MEM_FREE)<br />
               state = "Free";<br />
          else if (mbi.State == MEM_RESERVE)<br />
               state = "Reserved";<br />
          else<br />
               state = "Unknown";<br />
<br />
			<br />
printf("\nREGION #%d\nState:%s\nBase Address:%p\nAllocation Base:%p\nAccess Protection: %08x\nRegion \<br />
Size: %08x\nProtection: %08x\nType: %08x\n", regnum, state, mbi.BaseAddress, mbi.AllocationBase, \<br />
mbi.AllocationProtect, mbi.RegionSize, mbi.Protect, mbi.Type);<br />
<br />
base = (LPVOID)((unsigned long)mbi.BaseAddress + (unsigned long)mbi.RegionSize);<br />
          /* make base point to one byte past the end of current region, which is either the beginning of the next region, or the beginning of the gap before the next region. <br />
 VirtualQueryEx() with this address will tell us about the next region in either case */ <br />
         regnum++;<br />
		 <br />
//printf("Enter the file-name to save the Memory Information: ",fname);<br />
		//scanf ("%s",fname);<br />
<br />
fprintf(fp,"\nREGION #%d\nState:%s\nBase Address:%p\nAllocation Base:%p\nAccess Protection: %08x\nRegion \<br />
		Size: %08x\nProtection: %08x\nType: %08x\n", regnum, state, mbi.BaseAddress, \<br />
		mbi.AllocationBase, mbi.AllocationProtect, mbi.RegionSize, mbi.Protect, mbi.Type);	<br />
		<br />
}//inner while<br />
<br />
	Sleep(3600);<br />
<br />
TerminateProcess(pi.hProcess, 0);<br />
<br />
break;<br />
<br />
	case 6://restarting the process in the other machine<br />
	lpBaseAddress = 0;<br />
	hProcess = mbi.BaseAddress;<br />
	SetThreadContext( <br />
	hThread, <br />
	lpContext <br />
	);<br />
	OpenThreadToken(<br />
	ThreadHandle,  // handle to thread<br />
	DesiredAccess,  // access to process<br />
	OpenAsSelf,      // flag for process or thread security<br />
	TokenHandle   // pointer to handle to open access token<br />
);<br />
<br />
	WriteProcessMemory(<br />
hProcess,	// 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 />
ResumeThread(hThread);// identifies thread to restart<br />
GetLastError();<br />
		<br />
break;<br />

int main(int argc, char* argv[])
{
    switch(argc)
    {
        case 1:
            //.....
            break;
        case 2:
            if(argv[1] == "-help")
            {
                cout << "Help" << endl;
            }
            //...
            break;
        default:
            //... code...
            break;
    }

    return 0;
}