static void StartDebugConsole()
{
SIP debugConsoleSIP = new SIP(delegate()
{
new DebugConsole().Start();
}, ThreadPriority.Normal, "XaeiOS.DebugConsole");
}
internal Thread(ThreadStart threadStart, ThreadPriority priority, SIP sip, TaskHandle task)
{
Task = task;
_threadStart = threadStart;
_priority = priority;
_sip = sip;
}
internal static void RegisterSIP(SIP sip)
{
if (_resourceMap.ContainsKey(sip.PID))
{
throw new Exception("SIP " + sip.PID + "is already registered with ResourceManager");
}
Logging.Trace("Registering SIP with ResourceManager: " + sip);
_resourceMap[sip.PID] = new NativeArray<IDisposable>();
}
/// <summary>
/// Registers a SIP with the SIPManager.
/// Sets the PID of the SIP.
/// </summary>
/// <param name="sip">The SIP to register</param>
public static void RegisterSIP(SIP sip)
{
if (sip.PID != -1)
{
throw new ArgumentException("SIP is already registered.");
}
int pid = GetPID();
sip.PID = pid;
_sips[pid] = sip;
}
private static void StartProcessViewer()
{
SIP processViewerSIP = new SIP(delegate()
{
Logging.Info("Starting XaeiOS.ProcessViewer");
ProcessViewer processViewer = new ProcessViewer();
processViewer.UpdateInterval = 2000;
processViewer.Start();
}, ThreadPriority.Normal, "XaeiOS.ProcessViewer");
processViewerSIP.Start();
}
public static void Start()
{
string processName = typeof(SignalDaemon).FullName;
if (_signalDaemonProcess != null)
{
throw new InvalidOperationException(processName + " is already started. Only one signal daemon is allowed.");
}
_signalDaemonProcess = new SIP(delegate(){}, ThreadPriority.High, processName, true);
_exitLoop = new ManualResetEvent();
_signalDaemonProcess.Start();
}
public static void StartDriver()
{
string processName = typeof(XmlHttpRequestManager).Name + ".Driver";
if (_driverProcess != null)
{
throw new InvalidOperationException(processName + " is already started. Only one signal daemon is allowed.");
}
_driverExit = new ManualResetEvent();
_driverProcess = new SIP(delegate() { }, ThreadPriority.High, processName, true);
_driverProcess.CustomSignal += HandleCustomSignal;
_driverProcess.Start();
}
static void StartPhotoSlideshow()
{
SIP slideshowProcess = new SIP(delegate()
{
// TODO: Fetch photo database from an XML/JSON file using REST
Photo[] photos = new Photo[]{
new Photo("Photos/michaelten-pow.jpg", "My two sisters, Kaya and Alicia, and me"),
new Photo("Photos/lounging_at_pool.jpg", "Lounging by the pool at the Planet Hollywood Hotel, Las Vegas"),
new Photo("Photos/coaster.jpg", "Autumn and me on the roller coaster at New York, New York, Las Vegas"),
new Photo("Photos/just_michael.jpg", "Just me"),
new Photo("Photos/paris_vegas.jpg", "Autumn and me at Paris, Las Vegas"),
new Photo("Photos/checking_in.jpg", "Checking into the Planet Hollywood Hotel, Las Vegas"),
new Photo("Photos/autumn_and_michael.jpg", "Autumn and me"),
new Photo("Photos/wii_at_earls.jpg", "Playing Wii Sports Golf at Earl's house"),
new Photo("Photos/packed_jeep.jpg", "My Jeep packed full of my cousin Michelle's belongings. I was helping her move.")
};
_slideshow = new PhotoSlideshow(photos, 10 * 1000);
SignalDaemon.Start();
ExportDelegate("ShowNextPhoto", ExportedShowNextPhoto);
ExportDelegate("ShowPreviousPhoto", ExportedShowPreviousPhoto);
_slideshow.ShowPhoto(0);
_slideshow.StartSlideshow();
}, ThreadPriority.Normal, "Tenpow.PhotoSlideshow");
// install a custom signal handler to call the appropriate method based upon the PhotoSlideshowSignal that we receive
slideshowProcess.CustomSignal += delegate(int data)
{
PhotoSlideshowSignal signal = (PhotoSlideshowSignal)data;
if (signal == PhotoSlideshowSignal.ShowNextPhoto)
{
_slideshow.ShowNextPhoto();
}
else if (signal == PhotoSlideshowSignal.ShowPreviousPhoto)
{
_slideshow.ShowPreviousPhoto();
}
else
{
// TODO: Write to standard error
Console.WriteLine("Received unknown signal " + data);
}
};
slideshowProcess.Start();
_slideshowPid = slideshowProcess.PID;
}
internal static void CleanupAndUnregisterSIP(SIP sip)
{
Logging.Info("Cleaning up SIP: " + sip);
// clean up each resource
NativeArray<IDisposable> resources = _resourceMap[sip.PID];
for (int i = 0; i < resources.Length; i++)
{
Logging.Info("Freeing resource " + resources[i] + " left by SIP: " + sip);
//try // TODO: XaeiOS BasicMiddleEnd gets a NonAcyclicGraphException during TransitiveClosuresAndTopologicalSort
//{
resources[i].Dispose();
//}
//catch (Exception e)
//{
// Logging.Log("Unable to free resource " + resources[i] + ". Exception was: " + e);
//}
}
_resourceMap.Remove(sip.PID);
}
internal Thread(ThreadStart threadStart, ThreadPriority priority, SIP sip)
: this(threadStart, priority, sip, null)
{
}
private static void StartTwitterWall()
{
SIP twitterWallProcess = new SIP(delegate()
{
string screenName = "mtenpow";
int maxItems = 6;
TwitterWall twitterWall = new TwitterWall(screenName, maxItems);
twitterWall.DisplayLoading();
int refreshInterval = 20 * 1000;
while (true)
{
twitterWall.Refresh();
Logging.Info("TwitterWall will refresh in " + (refreshInterval / 1000) + " seconds");
Thread.Sleep(refreshInterval);
}
}, ThreadPriority.Normal, "Tenpow.TwitterWall");
twitterWallProcess.Start();
}
public void Start(object parameter)
{
if (_parametizedThreadStart == null)
{
throw new NotSupportedException("The thread start delegate was not parametized. Cannot start this thread with a parameter.");
}
if (_name == null)
{
_name = "Thread: anonymous";
}
if (_sip == null)
{
_sip = SIP.CurrentSIP;
}
_parameter = parameter;
Task = SystemCalls.CreateTask(null, ParametizedTaskFunction, new TaskCallback(this.InternalCallback), (TaskPriority)_priority, _name);
//Logging.Trace("Creating thread " + _name + " with task id: " + Task);
ThreadManager.RegisterThread(this);
_sip.InitializeThread(this);
_running = true;
SystemCalls.StartTask(Task);
}
internal static Thread CreateSystemThread(ThreadPriority priority, SIP sip, TaskHandle kernelTask, string name)
{
Thread kernelThread = new Thread();
kernelThread.Task = kernelTask;
kernelThread._priority = priority;
kernelThread._sip = sip;
kernelThread._name = name;
return kernelThread;
}
public void Start()
{
if (_threadStart == null)
{
throw new NotSupportedException("The thread start delegate was parametized. Cannot start this thread without a parameter.");
}
if (_name == null)
{
_name = "[anonymous " + (_idCounter++) + "]";
}
if (_sip == null)
{
_sip = SIP.CurrentSIP;
}
// TODO: No code should be run with an infinite time slice, a critical section should mean that only the kernel can interrupt
Task = SystemCalls.CreateTask(null, new TaskFunction(_threadStart), new TaskCallback(this.InternalCallback), (TaskPriority)_priority, _name);
//Logging.Debug("Thread " + _name + " is a child of " + _sip + ". Task: " + Task.ToString());
ThreadManager.RegisterThread(this);
_sip.InitializeThread(this);
_running = true;
SystemCalls.StartTask(Task);
}
public static void UnregisterSIP(SIP sip)
{
_sips.Remove(sip.PID);
}
internal static SIP CreateSystemSIP(string name)
{
SIP sip = new SIP(name, true);
sip.SyncRoot = new object();
sip.Output = new ConsoleTextWriter();
sip.Error = new ConsoleTextWriter();
sip._state = SIPState.Running;
return sip;
}
private void AddChild(SIP child)
{
if (child._parent != null)
{
throw new ExecutionEngineException("SIP already had a parent");
}
Logging.Debug("Process " + child + " is a child of process " + this);
_children.Add(child);
child._parent = this;
}
private void ChildExited(SIP child)
{
Logging.Debug("Child process " + child + " exited");
_children.Remove(child);
TryExit();
}
