public void Scenario1_DeadlocksWithoutEager()
{
ExecuteMpiProgram(2, mpi =>
{
mpi.MpiInit();
int rank = mpi.GetRank();
if (rank == 0)
{
// P0
SendHandle h00 = mpi.SendAsync(1, "s00", false);
mpi.Wait(h00); // DEADLOCKS on wait because the barrier's can't be satisfied
mpi.Barrier();
}
else
{
// P1
mpi.Barrier(); // Never gets past here because P0 is waiting for us to recv first.
ReceiveHandle h11 = mpi.ReceiveAsync(0);
string msg1 = mpi.Wait(h11);
Assert.AreEqual("s00", msg1);
}
mpi.MpiFinalize();
});
}
public void Scenario1_DoesNotDeadlockWhenEager()
{
ExecuteMpiProgram(2, mpi =>
{
mpi.MpiInit();
int rank = mpi.GetRank();
if (rank == 0)
{
// P0
SendHandle h00 = mpi.SendAsync(1, "s00", true);
// Does Not DEADLOCK on wait because it will return when the string is copied
// to a local buffer.
mpi.Wait(h00);
mpi.Barrier();
}
else
{
// P1
mpi.Barrier(); // Never gets past here because P0 is waiting for us to recv first.
ReceiveHandle h11 = mpi.ReceiveAsync(0);
string msg1 = mpi.Wait(h11);
Assert.AreEqual("s00", msg1);
}
mpi.MpiFinalize();
});
}
private void AcceptCompleted(IAsyncResult ar)
{
HttpListener listener = (HttpListener)ar.AsyncState;
HttpListenerContext context = listener.EndGetContext(ar);
ReceiveHandle.BeginInvoke(context, null, null);
//等待接收下一次请求
StartAccept();
}
