1 /* ****************************************************************************
3 * Copyright (c) Microsoft Corporation.
5 * This source code is subject to terms and conditions of the Apache License, Version 2.0. A
6 * copy of the license can be found in the License.html file at the root of this distribution. If
7 * you cannot locate the Apache License, Version 2.0, please send an email to
8 * dlr@microsoft.com. By using this source code in any fashion, you are agreeing to be bound
9 * by the terms of the Apache License, Version 2.0.
11 * You must not remove this notice, or any other, from this software.
14 * ***************************************************************************/
17 using System.Diagnostics;
19 namespace Microsoft.Scripting {
21 /// marks a field, class, or struct as being safe to have statics which can be accessed
22 /// from multiple runtimes.
24 /// Static fields which are not read-only or marked with this attribute will be flagged
25 /// by a test which looks for state being shared between runtimes. Before applying this
26 /// attribute you should ensure that it is safe to share the state. This is typically
27 /// state which is lazy initialized or state which is caching values which are identical
28 /// in all runtimes and are immutable.
30 [Conditional("DEBUG")]
31 [AttributeUsage(AttributeTargets.Field)]
32 public sealed class MultiRuntimeAwareAttribute : Attribute {