OsLab2FProc

#include "stdafx.h"
#include <stdio.h>
#include <conio.h>
#include <Windows.h>
#include <locale.h>
#include <tlhelp32.h>

#define BUF_SIZE 256
TCHAR szName[] = TEXT("MyFileMappingObject");
TCHAR szMsg[] = TEXT("10");

int _tmain(int argc, _TCHAR* argv[])
{
    HANDLE hMapFile, hProcessSnap;
    LPCTSTR pBuf;
    PROCESSENTRY32 pe32;

    hProcessSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
    if (hProcessSnap == INVALID_HANDLE_VALUE) return 1;

    pe32.dwSize = sizeof(PROCESSENTRY32);

    hMapFile = CreateFileMapping(
        INVALID_HANDLE_VALUE,    // ispol'zovanie fajla podkachki
        NULL,                    // zashhita po umolchaniju
        PAGE_READWRITE,          // dostup k chteniju/zapisi
        0,                       // maks. razmer objekta
        BUF_SIZE,                // razmer bufera
        szName);                 // imja otrazhennogo v pamjati ob#ekta
    if (hMapFile == NULL)
    {
        printf("Can not open file mapping object (%d).\n", GetLastError());
        _getch();
        return 1;
    }

    pBuf = (LPTSTR)MapViewOfFile(hMapFile, FILE_MAP_ALL_ACCESS, 0, 0, BUF_SIZE);
    if (pBuf == NULL)
    {
        printf("Presentation of the file can not be projected (%d).\n", GetLastError());
        _getch();
        CloseHandle(hMapFile);
        return 1;
    }

    int i = 0;

    while (Process32Next(hProcessSnap, &pe32)) {
        printf("pe32.th32ProcessID= %x\n", pe32.th32ProcessID);
        Sleep(100);
        if (i == 10) CopyMemory((PVOID)pBuf, szMsg, (_tcslen(szMsg) * sizeof(TCHAR)));
        i++;
    }

    UnmapViewOfFile(pBuf);
    CloseHandle(hMapFile);
    CloseHandle(hProcessSnap);
    return 0;
}