XN_C_API XnStatus xnOSWaitAndTerminateThread(XN_THREAD_HANDLE* pThreadHandle, XnUInt32 nMilliseconds)
{
XnStatus nRetVal = XN_STATUS_OK;
XN_VALIDATE_INPUT_PTR(pThreadHandle);
// first, wait for thread to exit on its own
nRetVal = xnOSWaitForThreadExit(*pThreadHandle, nMilliseconds);
if (nRetVal != XN_STATUS_OK)
{
// thread did not exit on its own. Kill it.
xnLogWarning(XN_MASK_OS, "Thread did not shutdown in %u ms. Thread will be killed...", nMilliseconds);
xnOSTerminateThread(pThreadHandle);
}
else
{
// thread exited. Just close the handle.
xnOSCloseThread(pThreadHandle);
}
return (XN_STATUS_OK);
}
// Stream
VideoStream::~VideoStream()
{
// Make sure stream is stopped.
stop();
m_device.clearStream(this);
// Detach all recorders from this stream.
xnl::LockGuard< Recorders > guard(m_recorders);
while (m_recorders.Begin() != m_recorders.End())
{
// NOTE: DetachStream has a side effect of modifying m_recorders.
m_recorders.Begin()->Value()->detachStream(*this);
}
// Try to close the thread properly, and forcibly terminate it if failed/timedout.
m_running = false;
xnOSSetEvent(m_newFrameInternalEvent);
xnOSSetEvent(m_newFrameInternalEventForFrameHolder);
XnStatus rc = xnOSWaitForThreadExit(m_newFrameThread, STREAM_DESTROY_THREAD_TIMEOUT);
if (rc != XN_STATUS_OK)
{
xnOSTerminateThread(&m_newFrameThread);
}
else
{
xnOSCloseThread(&m_newFrameThread);
}
m_pFrameHolder->setStreamEnabled(this, FALSE);
m_driverHandler.deviceDestroyStream(m_device.getHandle(), m_streamHandle);
xnOSCloseEvent(&m_newFrameInternalEvent);
xnOSCloseEvent(&m_newFrameInternalEventForFrameHolder);
XN_DELETE_ARR(m_pSensorInfo->pSupportedVideoModes);
XN_DELETE(m_pSensorInfo);
}
void xnUSBAsynchThreadStop()
{
if (g_InitData.hThread != NULL)
{
// mark for thread to exit
g_InitData.bShouldThreadRun = FALSE;
// wait for it to exit
xnLogVerbose(XN_MASK_USB, "Shutting down USB events thread...");
XnStatus nRetVal = xnOSWaitForThreadExit(g_InitData.hThread, XN_USB_HANDLE_EVENTS_TIMEOUT * 2);
if (nRetVal != XN_STATUS_OK)
{
xnLogWarning(XN_MASK_USB, "USB events thread didn't shutdown. Terminating it...");
xnOSTerminateThread(&g_InitData.hThread);
}
else
{
xnOSCloseThread(&g_InitData.hThread);
}
g_InitData.hThread = NULL;
}
}
