class CSafeLock
{
private:
#ifdef WIN32
HANDLE m_hEvent;
HANDLE m_hThread;
#else
pthread_mutex_t m_threadMutex;
pthread_cond_t m_threadCondition;
#endif

public:
CSafeLock(void);
~CSafeLock(void);
bool lock(void);
void unlock(void);
};



CSafeLock::CSafeLock(void)
{
#ifdef WIN32
m_hEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
#else
pthread_mutex_init(&m_threadMutex, NULL);
pthread_cond_init(&m_threadCondition, NULL);
#endif
}
CSafeLock::~CSafeLock(void)
{
#ifdef WIN32
CloseHandle(m_hEvent);
#else
pthread_mutex_destroy(&m_threadMutex);
pthread_cond_destroy(&m_threadCondition);
#endif
}
bool CSafeLock::lock(void)
{
#ifdef WIN32
::WaitForSingleObject(m_hEvent, INFINITE);
#else
pthread_mutex_lock(&m_threadMutex);
#endif
return true;
}
void CSafeLock::unlock(void)
{
#ifdef WIN32
SetEvent(m_hEvent);
#else
pthread_mutex_unlock(&m_threadMutex);
#endif
}