// virtual
void TITthread::OnStart()
{
while (mRunning)
{
mThread.MsSleep(10);
{
nglCriticalSectionGuard guard(mRunCS);
mLockedA = false;
mLockedB = false;
mLockedC = false;
if (!WaitForLock())
continue;
// will block 'til the blocked cs
while (mLockedA || mLockedB || mLockedC)
{
mThread.MsSleep(10);
if (!WaitForLockOrUnlock())
continue;
}
}
}
}
/** \fn SignalMonitor::WaitForLock(int)
* \brief Wait for a StatusSignaLock(int) of true.
*
* This can be called whether or not the signal
* monitoring thread has been started.
*
* \param timeout maximum time to wait in milliseconds.
* \return true if signal was acquired.
*/
bool SignalMonitor::WaitForLock(int timeout)
{
statusLock.lock();
if (-1 == timeout)
timeout = signalLock.GetTimeout();
statusLock.unlock();
if (timeout<0)
return false;
MythTimer t;
t.start();
if (running)
{
while (t.elapsed()<timeout && running)
{
Kick();
statusLock.lock();
bool ok = signalLock.IsGood();
statusLock.unlock();
if (ok)
return true;
usleep(50);
}
if (!running)
return WaitForLock(timeout-t.elapsed());
}
else
{
while (t.elapsed()<timeout && !running)
{
UpdateValues();
statusLock.lock();
bool ok = signalLock.IsGood();
statusLock.unlock();
if (ok)
return true;
usleep(50);
}
if (running)
return WaitForLock(timeout-t.elapsed());
}
return false;
}
