90 lines
3.2 KiB
Plaintext
90 lines
3.2 KiB
Plaintext
////////////////////////////////////////////////////////////////////////////////
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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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// Note: Simple Singularity test program.
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//
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using System; // Console, String etc
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using Microsoft.Singularity.Applications; // ApplicationResourceTransform
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using Microsoft.Singularity.Channels; // TRef
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using Microsoft.Singularity.Configuration; // ConsoleCategory, InputEndpoint, OutputEndpoint
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using Microsoft.Singularity.Directory; // DirectoryServiceContract, ErrorCode, DirectoryService, SdsUtils
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using Microsoft.Singularity.Io; // UnicodePipeContract, DiskDeviceContract
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using Microsoft.SingSharp.Reflection; // Transform namespace
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// change "public static int Main(String[] args)" to "internal static int Main(DefaultConfig! config)"
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[assembly: Transform(typeof(ApplicationResourceTransform))]
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namespace Microsoft.Singularity.Applications
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{
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[ConsoleCategory(HelpMessage="Classic Hello World app", DefaultAction=true)]
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internal class DefaultConfig {
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[InputEndpoint("data")]
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public readonly TRef<UnicodePipeContract.Exp:READY> Stdin;
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[OutputEndpoint("data")]
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public readonly TRef<UnicodePipeContract.Imp:READY> Stdout;
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reflective internal DefaultConfig();
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internal int AppMain() {
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return CHello.Main(this);
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}
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}
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public class CHello
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{
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public static DiskDeviceContract.Imp:Ready OpenDevice(String! devname)
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{
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DiskDeviceContract.Exp! exp;
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DiskDeviceContract.Imp! imp;
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DiskDeviceContract.NewChannel(out imp, out exp);
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DirectoryServiceContract.Imp ns;
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// get NS endpoint
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ns = DirectoryService.NewClientEndpoint();
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bool success = false;
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ErrorCode error;
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success = SdsUtils.Bind(devname, ns, exp, out error);
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if (!success) {
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Console.WriteLine("Bind of {0} failed\n", devname);
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delete imp;
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delete ns;
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return null;
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}
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switch receive {
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case imp.Success():
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break;
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case imp.ContractNotSupported():
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Console.WriteLine("{0} does not support DiskDevice", devname);
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delete imp;
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delete ns;
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return null;
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case imp.ChannelClosed():
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Console.WriteLine("DiskDevice channel to {0} closed unexpectedly", devname);
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delete imp;
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delete ns;
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return null;
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}
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delete ns;
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return imp;
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}
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internal static int Main(DefaultConfig! config)
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{
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Console.WriteLine("Hello World!");
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DiskDeviceContract.Imp device = OpenDevice("/dev/disk0");
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if (device == null) {
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Console.WriteLine("Couldn't open disk0");
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return 1;
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}
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delete device;
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Console.WriteLine("Opened disk0");
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return 0;
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}
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}
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}
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