////////////////////////////////////////////////////////////////////////////////
//
//  Microsoft Research Singularity - Singularity ABI
//
//  Copyright (c) Microsoft Corporation.  All rights reserved.
//
//  File:   InterruptHandle.csi
//
//  Note:
//

using System;
using System.Runtime.CompilerServices;

namespace Microsoft.Singularity.V1.Threads
{
    public struct InterruptHandle // : public WaitHandle
    {

        public readonly UIntPtr id; // could be moved to WaitHandle

        [NoHeapAllocation]
        public static bool Create(byte irq,
                                  out InterruptHandle handle);

        [NoHeapAllocation]
        public static bool Dispose(InterruptHandle handle);

        [NoHeapAllocation]
        public static bool Wait(InterruptHandle handle);

        [NoHeapAllocation]
        public static void Pulse(InterruptHandle handle);

        [NoHeapAllocation]
        public static bool Ack(InterruptHandle handle);

        [NoHeapAllocation]
        public static bool DisableInterrupts();

        [NoHeapAllocation]
        public static void RestoreInterrupts(bool enabled);

        // Use this method for assertions only!
        [NoHeapAllocation]
        public static bool InterruptsDisabled();
    }
}