private void ThreadMain()
{
while (!this._isDisposed)
{
if (IsActive)
{
// The thread is waking up.
IsSleeping = false;
Job nextJob = null;
int jobsLeftToDo = 0;
// Gets the next job, if any.
lock (this._syncRoot)
{
// If the instance just got disposed, return immediately.
if (this._isDisposed)
{
return;
}
// Gets the next job, or null if none is found.
nextJob = this._jobQueue.Dequeue();
}
// If there is a job to execute, do it.
if (nextJob != null)
{
nextJob.Action();
}
// Gets how many jobs are still in queue.
lock (_syncRoot)
{
jobsLeftToDo = this._jobQueue.Count;
}
// If there are more jobs to do and we should do them, let's go!
if (jobsLeftToDo > 0 && ContinuesOnCompletion)
{
// Sleeps a litte bit before to free UI thread cpu.
Thread.Sleep(DelayBetweenJobs);
// Let's do the next job!
continue;
}
// Goes to sleep and waits for a signal.
IsSleeping = true;
}
// Zzzz.
this._jobThreadCanResumeEvent.WaitOne();
}
}
/// <summary>
/// Runs continuations pushed on the loop.
/// </summary>
public void RunJobs()
{
Job job = null;
while (job != null || _queue.Count > 0)
{
if (job == null)
{
lock (_queue)
{
job = _queue.Dequeue();
}
}
if (job.Priority < DispatcherPriority.Input && s_platform.HasMessages())
{
break;
}
if (job.TaskCompletionSource == null)
{
job.Action();
}
else
{
try
{
job.Action();
job.TaskCompletionSource.SetResult(null);
}
catch (Exception e)
{
job.TaskCompletionSource.SetException(e);
}
}
job = null;
}
}
private void DoJob(object jobWrapper)
{
Job job = (Job)jobWrapper;
try
{
job.Action(job.Argument);
ReportActionFinished();
return;
}
catch (Exception)
{
ReportActionFailed();
//Console.WriteLine(e);
throw;
}
}
public void Run(CancellationToken cancellationToken)
{
while (!cancellationToken.IsCancellationRequested)
{
Job job = null;
while (job != null || this.queue.Count > 0)
{
if (job == null)
{
lock (this.queue)
{
job = this.queue.Dequeue();
}
}
if (job.Priority < DispatcherPriority.Input && platform.HasMessages())
{
break;
}
try
{
job.Action();
job.TaskCompletionSource.SetResult(null);
}
catch (Exception e)
{
job.TaskCompletionSource.SetException(e);
}
job = null;
}
platform.ProcessMessage();
}
}
