{

CTimer();

~CTimer();

/// Causes the current thread to block until

/// the specified time is reached.

/// Sleep can be interrupted by calling interrupt()

/// or woken up to recheck the scheduled time by tick()

/// @param tp target time to sleep until

///

/// @return true if the specified time was reached

/// false should never happen

bool sleep_until(steady_clock::time_point tp);

/// Resets target wait time and interrupts waiting

/// in sleep_until(..)

void interrupt();

/// Wakes up waiting thread (sleep_until(..)) without

/// changing the target waiting time to force a recheck

/// of the current time in comparison to the target time.

void tick();

CEvent m_event;

sync::AtomicClock<steady_clock> m_tsSchedTime;

void wait_busy();

void wait_stalled();