private static int MainWithProgress(string args)
{
string currentDirectory = Path.GetDirectoryName(typeof(Maml).Module.FullyQualifiedName);
ConsoleEnvironment env = CreateEnvironment();
#pragma warning disable CS0618 // This is the command line project, so the usage here is OK.
using (AssemblyLoadingUtils.CreateAssemblyRegistrar(env, currentDirectory))
#pragma warning restore CS0618
using (var progressCancel = new CancellationTokenSource())
{
var progressTrackerTask = Task.Run(() => TrackProgress(env, progressCancel.Token));
try
{
return(MainCore(env, args, ShouldAlwaysPrintStacktrace()));
}
finally
{
progressCancel.Cancel();
progressTrackerTask.Wait();
// If the run completed so quickly that the progress task was cancelled before it even got a chance to start,
// we need to gather the checkpoints.
env.PrintProgress();
}
}
}
private static void TrackProgress(ConsoleEnvironment env, CancellationToken ct)
{
try
{
while (!ct.IsCancellationRequested)
{
// Print a dot every 0.6s, which will make 50 dots take 30 seconds.
// REVIEW: maybe an adaptive interval that would expand if nothing happens is a better idea.
TimeSpan interval = TimeSpan.FromSeconds(0.6);
if (ct.WaitHandle.WaitOne(interval))
{
// Cancellation was requested.
return;
}
env.PrintProgress();
}
}
catch (Exception ex)
{
Console.Error.WriteLine("Progress tracking terminated with an exception");
PrintExceptionData(Console.Error, ex, false);
Console.Error.WriteLine("Progress tracking is terminated.");
}
}