netcore/System.Private.CoreLib/shared/Interop/Windows/Kernel32/Interop.CompletionPort.cs


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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

using System;
using System.Runtime.InteropServices;

internal partial class Interop
{
    internal partial class Kernel32
    {
        [DllImport(Libraries.Kernel32, SetLastError = true)]
        internal static extern IntPtr CreateIoCompletionPort(IntPtr FileHandle, IntPtr ExistingCompletionPort, UIntPtr CompletionKey, int NumberOfConcurrentThreads);

        [DllImport(Libraries.Kernel32, SetLastError = true)]
        [return: MarshalAs(UnmanagedType.Bool)]
        internal static extern bool PostQueuedCompletionStatus(IntPtr CompletionPort, int dwNumberOfBytesTransferred, UIntPtr CompletionKey, IntPtr lpOverlapped);

        [DllImport(Libraries.Kernel32, SetLastError = true)]
        [return: MarshalAs(UnmanagedType.Bool)]
        internal static extern bool GetQueuedCompletionStatus(IntPtr CompletionPort, out int lpNumberOfBytes, out UIntPtr CompletionKey, out IntPtr lpOverlapped, int dwMilliseconds);
    }
}