Listing 5 Extract from winstl_threadtimes_counter.h

/* /////////////////////////////////////////////////////////////
 * ...
 *
 * Extract from winstl_threadtimes_counter.h
 *
 * Copyright (C) 2002, Synesis Software Pty Ltd.
 * (Licensed under the Synesis Software Standard Source License:
 *  http://www.synesis.com.au/licenses/ssssl.html)
 *
 * ...
 * ////////////////////////////////////////////////////////// */

inline threadtimes_counter::threadtimes_counter()
    : m_thread(::GetCurrentThread())
{
}

// Operations
inline void threadtimes_counter::start()
{
    FILETIME    creationTime;
    FILETIME    exitTime;

    ::GetThreadTimes(   m_thread,
                        &creationTime,
                        &exitTime,
                        reinterpret_cast<LPFILETIME>(&m_kernelStart),
                        reinterpret_cast<LPFILETIME>(&m_userStart));
}

inline void threadtimes_counter::stop()
{
    FILETIME    creationTime;
    FILETIME    exitTime;

    ::GetThreadTimes(   m_thread,
                        &creationTime,
                        &exitTime,
                        reinterpret_cast<LPFILETIME>(&m_kernelEnd),
                        reinterpret_cast<LPFILETIME>(&m_userEnd));
}

// Attributes

// Kernel
inline threadtimes_counter::interval_type threadtimes_counter::get_kernel_period_count() const
{
    return static_cast<interval_type>(m_kernelEnd - m_kernelStart);
}

inline threadtimes_counter::interval_type threadtimes_counter::get_kernel_seconds() const
{
    return get_kernel_period_count() / interval_type(10000000);
}

inline threadtimes_counter::interval_type threadtimes_counter::get_kernel_milliseconds() const
{
    return get_kernel_period_count() / interval_type(10000);
}

inline threadtimes_counter::interval_type threadtimes_counter::get_kernel_microseconds() const
{
    return get_kernel_period_count() / interval_type(10);
}

// User
inline threadtimes_counter::interval_type threadtimes_counter::get_user_period_count() const
{
    return static_cast<interval_type>(m_userEnd - m_userStart);
}

inline threadtimes_counter::interval_type threadtimes_counter::get_user_seconds() const
{
    return get_user_period_count() / interval_type(10000000);
}

inline threadtimes_counter::interval_type threadtimes_counter::get_user_milliseconds() const
{
    return get_user_period_count() / interval_type(10000);
}

inline threadtimes_counter::interval_type threadtimes_counter::get_user_microseconds() const
{
    return get_user_period_count() / interval_type(10);
}

// Total
inline threadtimes_counter::interval_type threadtimes_counter::get_period_count() const
{
    return get_kernel_period_count() + get_user_period_count();
}

inline threadtimes_counter::interval_type threadtimes_counter::get_seconds() const
{
    return get_period_count() / interval_type(10000000);
}

inline threadtimes_counter::interval_type    threadtimes_counter::get_milliseconds() const
{
    return get_period_count() / interval_type(10000);
}

inline threadtimes_counter::interval_type    threadtimes_counter::get_microseconds() const
{
    return get_period_count() / interval_type(10);
}