singrdk/base/Kernel/Singularity/Scheduling/Full/CpuResourceReservation.cs

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2008-03-05 09:52:00 -05:00
////////////////////////////////////////////////////////////////////////////////
//
// Microsoft Research Singularity
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// File: Kernel\Singularity\Scheduling\CpuResourceReservation.cs
//
// Note:
//
using System;
namespace Microsoft.Singularity.Scheduling
{
/// <summary>
/// An ongoing CPU resource reservation object.
/// </summary>
public class CpuResourceReservation : IResourceReservation
{
public ISchedulerCpuReservation schedulerReservation;
/// <summary>
/// Return a reference to the CpuResource provider
/// </summary>
public override IResource Resource
{
get { return CpuResource.Provider(); }
}
private CpuResourceAmount requestedAmount;
private TimeSpan requestedPeriod;
public CpuResourceReservation(CpuResourceAmount requestedAmount,
TimeSpan requestedPeriod,
ISchedulerCpuReservation schedulerReservation)
{
this.requestedAmount = requestedAmount;
this.requestedPeriod = requestedPeriod;
this.schedulerReservation = schedulerReservation;
}
/// <summary>
/// The amount requested for an ongoing CPU reservation
/// </summary>
public CpuResourceAmount RequestedAmount
{
get { return requestedAmount; }
}
/// <summary>
/// The period requested for an ongoing CPU reservation
/// </summary>
public TimeSpan RequestedPeriod
{
get { return requestedPeriod; }
}
/// <summary>
/// The amount actually granted for an ongoing CPU reservation
/// </summary>
public CpuResourceAmount ActualAmount
{
get {
return (schedulerReservation == null)
? null : schedulerReservation.ReservedAmount;
// XXX TBD May change as global schedule changes
}
}
/// <summary>
/// The period actually granted for an ongoing CPU reservation
/// </summary>
public TimeSpan ActualPeriod
{
get {
return (schedulerReservation == null)
? new TimeSpan(0) : schedulerReservation.ReservedPeriod;
// XXX TBD May change as global schedule changes
}
}
}
}