Password Field Unhider (and some C++ utility classes)

// By David S. Bakin (davidbak@gmail.com)
// Copyright @ 2009 David S. Bakin
// This work licensed under The Code Project Open License (CPOL) 1.02

#include "stdafx.h"
#include "Locks.h"

CLockCritSec::CLockCritSec()
{
    BOOL b = ::InitializeCriticalSectionAndSpinCount(&critsec_, 4000);
    if (b == 0)
    {
        DWORD err = ::GetLastError();
        // Error: can't initialize critical section - should never happen!
        assert(1);
    }
}

CLockCritSec::~CLockCritSec()
{
    ::DeleteCriticalSection(&critsec_);
}

void CLockCritSec::Lock()
{
    ::EnterCriticalSection(&critsec_);
}

void CLockCritSec::Unlock()
{
    ::LeaveCriticalSection(&critsec_);
}