63 lines
1.6 KiB
Plaintext
63 lines
1.6 KiB
Plaintext
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////////////////////////////////////////////////////////////////////////////////
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//
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// Microsoft Research Singularity
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// File: PnpContract.sg - Contract between I/O System and Device.
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//
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using System;
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using System.Collections;
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using System.Runtime.Remoting;
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using System.Runtime.InteropServices;
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using System.Threading;
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using Microsoft.SingSharp;
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using Microsoft.Singularity;
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using Microsoft.Singularity.Channels;
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using Microsoft.Singularity.Io;
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namespace Microsoft.Singularity.Io
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{
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public contract PnpContract {
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in message Initialize();
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out message AckInitialize();
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out message NakInitialize();
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in message Connect(DeviceContract.Exp:Start! eDevice);
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out message AckConnect();
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out message NakConnect();
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in message Finalize();
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out message AckFinalize();
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out message NakFinalize();
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state Start: one {
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Initialize? -> DoInitialize;
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}
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state DoInitialize: one {
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AckInitialize! -> Initialized;
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NakInitialize! -> Start;
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}
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state Initialized: one {
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Connect? -> DoConnect;
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Finalize? -> DoFinalize;
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}
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state DoConnect: one {
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AckConnect! -> Initialized;
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NakConnect! -> Initialized;
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}
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state DoFinalize: one {
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AckFinalize! -> End;
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NakFinalize! -> Initialized;
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}
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state End: {
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}
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}
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}
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