public void Racebetween2NekaraTasks()
{
DeadlockWithNekaraLockAndTask dlk = new DeadlockWithNekaraLockAndTask();
while (!dlk.bugFound)
{
Nekara.Models.Task t1 = Nekara.Models.Task.Run(() => dlk.Foo());
Nekara.Models.Task t2 = Nekara.Models.Task.Run(() => dlk.Bar());
Nekara.Models.Task.WaitAll(t1, t2);
dlk.nekara.Api.WaitForMainTask();
dlk.Reset();
}
}
public void Participate(ISiloLifecycle lifecycle)
{
Nekara.Models.Task OnStart(CancellationToken ct)
{
this.listenToClusterChangeTask = ListenToClusterChange();
return(Nekara.Models.Task.CompletedTask);
};
async Nekara.Models.Task OnStop(CancellationToken ct)
{
this.shutdownToken.Cancel();
if (listenToClusterChangeTask != default && !ct.IsCancellationRequested)
{
await listenToClusterChangeTask.WithCancellation(ct);
}
};
lifecycle.Subscribe(nameof(GrainLocator), ServiceLifecycleStage.RuntimeGrainServices, OnStart, OnStop);
}
public void Deadlock3()
{
nekara.Api.CreateSession();
while (!bugFoundDl)
{
nekara.Api.CreateResource(0);
nekara.Api.CreateResource(1);
int counter = 1;
Nekara.Models.Task t1 = Nekara.Models.Task.Run(() =>
{
nekara.Api.ContextSwitch();
Acquire(true, 0);
nekara.Api.ContextSwitch();
Acquire(true, 1); // Deadlock
if (bugFoundDl)
{
return;
}
nekara.Api.ContextSwitch();
counter++;
nekara.Api.ContextSwitch();
Release(true, 0);
nekara.Api.ContextSwitch();
Release(true, 1);
});
Nekara.Models.Task t2 = Nekara.Models.Task.Run(() =>
{
nekara.Api.ContextSwitch();
Acquire(false, 1);
nekara.Api.ContextSwitch();
Acquire(false, 0); // Deadlock
if (bugFoundDl)
{
return;
}
nekara.Api.ContextSwitch();
counter--;
nekara.Api.ContextSwitch();
Release(false, 1);
nekara.Api.ContextSwitch();
Release(false, 0);
});
var t3 = Nekara.Models.Task.WhenAll(t1, t2);
t3.Wait();
nekara.Api.WaitForMainTask();
lck1 = false;
lck2 = false;
nekara.Api.CreateSession();
}
// Console.WriteLine(" ... Finished Deadlock Benchmark");
}