SPO-2-WIN

// SPO-2.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include <windows.h>
#include <conio.h>
#include <process.h>
#include <locale.h>
#define MAX_COUNT 12
#define BUFFER_SIZE 10

PROCESS_INFORMATION CreateNewProcess(TCHAR* AppName, TCHAR *cmd);
void Parent(TCHAR *AppName);
void Child(int);
void TryPrint(HANDLE hProcCanWrite, char* str);

int _tmain(int argc, TCHAR* argv[])
{
    setlocale(LC_ALL, ".1251");
    if(argc == 2){
        Child( _ttoi(argv[1]) );
    }
    else{
        Parent(argv[0]);
    }
    return 0;
}

void Parent(TCHAR *AppName)
{
    HANDLE hProcCanWrite = CreateEvent(NULL, FALSE, TRUE, TEXT("ProcCanWrite"));
    char input;
    int currentNumberOfProcesses = 0;
    PROCESS_INFORMATION processesArray[MAX_COUNT];

    while( input = _getch() )
    {
        if(input == '-' && currentNumberOfProcesses) {

            TCHAR buffer[BUFFER_SIZE] = {0};
            _itot_s(currentNumberOfProcesses-1, buffer, 10);
            HANDLE hTerminateSignal = OpenEvent( EVENT_ALL_ACCESS, FALSE,  buffer);
            SetEvent(hTerminateSignal);
            if (WaitForSingleObject(processesArray[currentNumberOfProcesses-1].hProcess, INFINITE) ==  WAIT_OBJECT_0 ){
                CloseHandle(processesArray[currentNumberOfProcesses-1].hProcess);
                CloseHandle(processesArray[currentNumberOfProcesses-1].hThread);
                currentNumberOfProcesses--;
                CloseHandle(hTerminateSignal);
            }
            continue;
        }
        if((input == '+') && (currentNumberOfProcesses < MAX_COUNT ))
        {
            TCHAR buffer[BUFFER_SIZE] = {0};
            _itot_s(currentNumberOfProcesses, buffer, 10);
            processesArray[currentNumberOfProcesses] = CreateNewProcess( AppName, buffer);
            HANDLE hTerminateSignal = CreateEvent( NULL, FALSE, FALSE, buffer);
            currentNumberOfProcesses++;
            continue;
        }
        if(input == 'q'){
            break;
        }
    }
    for(int i = 0; i < currentNumberOfProcesses; i++)
    {
        TerminateProcess(processesArray[i].hProcess, 0);
        CloseHandle(processesArray[i].hProcess);
        CloseHandle(processesArray[i].hThread);
    }
}

TCHAR* createArgsString(TCHAR* app, TCHAR* arg)
{
    TCHAR args[100] = {0};
    _tcscat_s( args, app);
    _tcscat_s( args, TEXT(" "));
    _tcscat_s( args, arg);
    return args;
}

PROCESS_INFORMATION CreateNewProcess(TCHAR* AppName, TCHAR *cmd)
{
    STARTUPINFO cif;
    ZeroMemory(&cif,sizeof(STARTUPINFO));
    PROCESS_INFORMATION pi;

    if(!CreateProcess(
        NULL,
        createArgsString(AppName, cmd),
        NULL,
        NULL,
        TRUE,
        NULL,
        NULL,
        NULL,
        &cif,
        &pi )
        )
    {
        puts("Create process failed!");
    }
    return pi;
}

char* getTextString(int number){

    static char outputStringArray[MAX_COUNT][150] = {
        "Nirvana ", // was an American rock band that was formed by singer/guitarist Kurt Cobain and bassist Krist Novoselic ",
        "Queen ", //recorded the album A Kind of Magic, containing several reworkings of songs written for the fantasy action film Highlander. ",
        "Scorpions ", //are a rock band from Hannover, Germany formed in 1965 by guitarist Rudolf Schenker. ",
        "Metallica ", //has released nine studio albums, three live albums, five extended plays, 24 music videos, and 45 singles. ",
        "Bon Jovi ", //is an American rock band from Sayreville, New Jersey. ",
        "The Final Countdown ",// is the third studio album by the Swedish hard rock band Europe. Released on 26 May 1986. ",
        "Rammstein ", //was founded  by guitarist Richard Z. Kruspe. In 1989, he escaped to West Berlin and started the band Orgasm Death Gimmicks. ",
        "Louna ", //is a Russian Alternative/Punk rock band, formed in Moscow in 2008 by Tracktor Bowling's musicians Lusine Gevorkyan and Vitaly Demidenko ",
        "Sonic Syndicate ",// is a heavy metal band from Falkenberg, Sweden. ",
        "Skillet ",//is an American Christian rock band formed in Memphis, Tennessee in 1996. ",
        "Надежда Никитична Кадышева ",//(род. 1 июня 1959, Горки, Лениногорский район, Татарская АССР) — российская певица эрзянского происхождения. ", // easter egg %)
        "The Beatles "//are unquestionably the best and most important band in rock history, as well as the most compelling story. "
    };
    return outputStringArray[number];
}

void Child( int number )
{
    TCHAR buffer[BUFFER_SIZE] = {0};
    _itot_s(number, buffer,10);
    HANDLE hProcCanWrite = OpenEvent(EVENT_ALL_ACCESS, FALSE, TEXT("ProcCanWrite") );
    HANDLE hTerminateSignal = OpenEvent( EVENT_ALL_ACCESS, FALSE, buffer);

    while( WaitForSingleObject( hTerminateSignal, 10) != WAIT_OBJECT_0 )
    {
        TryPrint(hProcCanWrite, getTextString(number));
    }
    CloseHandle(hProcCanWrite);
    CloseHandle(hTerminateSignal);
}

void TryPrint(HANDLE hProcCanWrite,  char* str)
{
    if(WaitForSingleObject( hProcCanWrite, 10) == WAIT_OBJECT_0)
    {
        ResetEvent(hProcCanWrite);
        for ( int i = 0; i < strlen(str); ++i)
        {
            printf_s("%c", str[i] );
            Sleep(50);
        }
        SetEvent(hProcCanWrite);
    }
}