FutureState FutureBase::wait(qi::SteadyClock::time_point timepoint) const {
boost::recursive_mutex::scoped_lock lock(_p->_mutex);
if (_p->_state.load() != FutureState_Running)
return FutureState(_p->_state.load());
_p->_cond.wait_until(lock, timepoint, boost::bind(&waitFinished, _p));
return FutureState(_p->_state.load());
}
FutureState FutureBase::wait(qi::Duration duration) const {
boost::recursive_mutex::scoped_lock lock(_p->_mutex);
if (_p->_state.load() != FutureState_Running)
return FutureState(_p->_state.load());
_p->_cond.wait_for(lock, duration, boost::bind(&waitFinished, _p));
return FutureState(_p->_state.load());
}
FutureState FutureBase::wait(int msecs) const {
boost::recursive_mutex::scoped_lock lock(_p->_mutex);
if (_p->_state.load() != FutureState_Running)
return FutureState(_p->_state.load());
if (msecs == FutureTimeout_Infinite)
_p->_cond.wait(lock, boost::bind(&waitFinished, _p));
else if (msecs > 0)
_p->_cond.wait_for(lock, qi::MilliSeconds(msecs),
boost::bind(&waitFinished, _p));
// msecs <= 0 : do nothing just return the state
return FutureState(_p->_state.load());
}
FutureState FutureBase::state() const
{
return FutureState(_p->_state.load());
}
bool FutureBase::isFinished() const {
FutureState v = FutureState(_p->_state.load());
return v == FutureState_FinishedWithValue || v == FutureState_FinishedWithError || v == FutureState_Canceled;
}
FutureState FutureBase::state() const
{
return FutureState(*_p->_state);
}
