/// <summary>
/// Creates an event thread.
/// </summary>
/// <param name="name">The name of the thread.</param>
/// <param name="priority">The priority of the thread.</param>
protected NSFThread(NSFString name, int priority)
: base(name)
{
TerminationStatus = NSFThreadTerminationStatus.ThreadReady;
OSThread = NSFOSThread.create(Name, new NSFVoidAction <NSFContext>(threadEntry), priority);
NSFEnvironment.addThread(this);
}
/// <summary>
/// Terminates the thread by causing the execution method to return.
/// </summary>
/// <param name="waitForTerminated">Flag indicating if the method should wait until the thread is terminated (true), or if it should return immediately (false).</param>
/// <remarks>
/// This method is useful to guarantee that a thread is no longer active, so that it can be garbage collected.
/// If the waitForTerminated flag is set true, this method must not be called from its thread of execution.
/// </remarks>
public virtual void terminate(bool waitForTerminated)
{
lock (threadMutex)
{
if (TerminationStatus != NSFThreadTerminationStatus.ThreadTerminated)
{
TerminationStatus = NSFThreadTerminationStatus.ThreadTerminating;
}
}
if (waitForTerminated)
{
for (uint i = 0; i < TerminationTimeout; i += TerminationSleepTime)
{
if (TerminationStatus == NSFThreadTerminationStatus.ThreadTerminated)
{
return;
}
NSFOSThread.sleep(TerminationSleepTime);
}
handleException(new Exception("Thread was unable to terminate"));
}
}
public void terminate(bool waitForTerminated)
{
if (!isTopStateMachine())
{
TopStateMachine.terminate(waitForTerminated);
return;
}
queueEvent(terminateEvent);
if (waitForTerminated)
{
for (uint i = 0; i < TerminationTimeout; i += TerminationSleepTime)
{
if (TerminationStatus == NSFEventHandlerTerminationStatus.EventHandlerTerminated)
{
return;
}
NSFOSThread.sleep(TerminationSleepTime);
}
handleException(new Exception("State machine was unable to terminate"));
}
}
public ContextSwitchTest(String name)
{
Name = name;
signal1 = NSFOSSignal.create("Signal1");
signal2 = NSFOSSignal.create("Signal2");
thread1 = NSFOSThread.create("Thread1", thread1Loop, NSFOSThread.HighestPriority);
thread2 = NSFOSThread.create("Thread2", thread2Loop, NSFOSThread.HighestPriority);
}
