void AsyncByteStream::Open(std::ios::openmode mode)
{
if ( (mode & std::ios::in) == std::ios::in )
{
_readbuf = std::make_shared<RingBuffer>(_bufsize);
}
if ( (mode & std::ios::out) == std::ios::out )
{
_writebuf = std::make_shared<RingBuffer>(_bufsize);
}
if ( _targetRunLoop != nullptr )
ReadyToRun();
}
void NonBlockingAlgorithm::StartAlgorithm()
{
if ( !ReadyToRun() ) return; // let algorithm check if all input/parameters are ok
if (m_KillRequest) return; // someone wants us to die
m_ParameterListMutex->Lock();
m_ThreadParameters.m_Algorithm = this;
++m_UpdateRequests;
m_ParameterListMutex->Unlock();
if (m_ThreadID != -1) // thread already running. But something obviously wants us to recalculate the output
{
return; // thread already running
}
// spawn a thread that calls ThreadedUpdateFunction(), and ThreadedUpdateFinished() on us
itk::ThreadFunctionType fpointer = &StaticNonBlockingAlgorithmThread;
m_ThreadID = m_MultiThreader->SpawnThread( fpointer, &m_ThreadParameters);
}
