src/libraries/Common/tests/TestUtilities/System/Buffers/PoisonPagePlacement.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.

namespace System.Buffers
{
    /// <summary>
    /// Dictates where the poison page should be placed.
    /// </summary>
    public enum PoisonPagePlacement
    {
        /// <summary>
        /// The poison page should be placed immediately after the memory region.
        /// Attempting to access the memory page immediately following the
        /// span will result in an AV.
        /// </summary>
        After,

        /// <summary>
        /// The poison page should be placed immediately before the memory region.
        /// Attempting to access the memory page immediately before the
        /// span will result in an AV.
        /// </summary>
        Before,
    }
}