Fix trimming issue on mobile targets

stephentoub · stephentoub · commit 224f95cae493 · 2021-07-10T21:52:58.000-04:00
diff --git a/src/libraries/System.Private.CoreLib/src/System/Runtime/InteropServices/PosixSignalRegistration.PlatformNotSupported.cs b/src/libraries/System.Private.CoreLib/src/System/Runtime/InteropServices/PosixSignalRegistration.PlatformNotSupported.cs
@@ -1,12 +1,15 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
+using System.Diagnostics.CodeAnalysis;
+
 namespace System.Runtime.InteropServices
 {
     public sealed partial class PosixSignalRegistration
     {
         private PosixSignalRegistration() { }
 
+        [DynamicDependency("#ctor")] // Prevent the private ctor and the IDisposable implementation from getting linked away
         public static partial PosixSignalRegistration Create(PosixSignal signal, Action<PosixSignalContext> handler)
         {
             if (handler is null)

Original file line number	Diff line number	Diff line change
`@@ -1,12 +1,15 @@`
`1`	`1`	`// Licensed to the .NET Foundation under one or more agreements.`
`2`	`2`	`// The .NET Foundation licenses this file to you under the MIT license.`
`3`	`3`
	`4`	`+using System.Diagnostics.CodeAnalysis;`
	`5`	`+`
`4`	`6`	`namespace System.Runtime.InteropServices`
`5`	`7`	`{`
`6`	`8`	`public sealed partial class PosixSignalRegistration`
`7`	`9`	`{`
`8`	`10`	`private PosixSignalRegistration() { }`
`9`	`11`
	`12`	`+ [DynamicDependency("#ctor")] // Prevent the private ctor and the IDisposable implementation from getting linked away`
`10`	`13`	`public static partial PosixSignalRegistration Create(PosixSignal signal, Action<PosixSignalContext> handler)`
`11`	`14`	`{`
`12`	`15`	`if (handler is null)`