Fix GUID interop in distributed transactions

roji · github-actions · commit d170a14e77ae · 2022-08-25T12:54:52.000Z
And disable tests on ARM for now. Works around #74170
diff --git a/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/IPrepareInfo.cs b/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/IPrepareInfo.cs
@@ -1,7 +1,6 @@
 ﻿// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
 using System.Runtime.InteropServices;
 
 namespace System.Transactions.DtcProxyShim.DtcInterfaces;
diff --git a/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/IResourceManagerFactory2.cs b/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/IResourceManagerFactory2.cs
@@ -10,15 +10,15 @@ namespace System.Transactions.DtcProxyShim.DtcInterfaces;
 internal interface IResourceManagerFactory2
 {
     internal void Create(
-        Guid pguidRM,
+        in Guid pguidRM,
         [MarshalAs(UnmanagedType.LPStr)] string pszRMName,
         [MarshalAs(UnmanagedType.Interface)] IResourceManagerSink pIResMgrSink,
         [MarshalAs(UnmanagedType.Interface)] out IResourceManager rm);
 
     internal void CreateEx(
-        Guid pguidRM,
+        in Guid pguidRM,
         [MarshalAs(UnmanagedType.LPStr)] string pszRMName,
         [MarshalAs(UnmanagedType.Interface)] IResourceManagerSink pIResMgrSink,
-        Guid riidRequested,
+        in Guid riidRequested,
         [MarshalAs(UnmanagedType.Interface)] out object rm);
 }
diff --git a/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransaction.cs b/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransaction.cs
@@ -1,19 +1,23 @@
 ﻿// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
 using System.Runtime.InteropServices;
-using System.Transactions.Oletx;
 
 namespace System.Transactions.DtcProxyShim.DtcInterfaces;
 
 // https://docs.microsoft.com/previous-versions/windows/desktop/ms686531(v=vs.85)
 [ComImport, Guid(Guids.IID_ITransaction), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
 internal interface ITransaction
 {
-    void Commit([MarshalAs(UnmanagedType.Bool)] bool fRetainingt, [MarshalAs(UnmanagedType.U4)] OletxXacttc grfTC, uint grfRM);
+    void Commit(
+        [MarshalAs(UnmanagedType.Bool)] bool fRetaining,
+        [MarshalAs(UnmanagedType.U4)] OletxXacttc grfTC,
+        uint grfRM);
 
-    void Abort(IntPtr reason, [MarshalAs(UnmanagedType.Bool)] bool retaining, [MarshalAs(UnmanagedType.Bool)] bool async);
+    void Abort(
+        IntPtr reason,
+        [MarshalAs(UnmanagedType.Bool)] bool retaining,
+        [MarshalAs(UnmanagedType.Bool)] bool async);
 
     void GetTransactionInfo(out OletxXactTransInfo xactInfo);
 }
diff --git a/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionCloner.cs b/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionCloner.cs
@@ -1,7 +1,6 @@
 ﻿// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
 using System.Runtime.InteropServices;
 
 namespace System.Transactions.DtcProxyShim.DtcInterfaces;
diff --git a/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionDispenser.cs b/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionDispenser.cs
@@ -7,7 +7,7 @@
 
 namespace System.Transactions.DtcProxyShim.DtcInterfaces;
 
-// https://docs.microsoft.com/previous-versions/windows/desktop/ms679525(v=vs.85)
+// https://docs.microsoft.com/en-us/previous-versions/windows/desktop/ms687604(v=vs.85)
 [ComImport, Guid(Guids.IID_ITransactionDispenser), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
 internal interface ITransactionDispenser
 {
diff --git a/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionEnlistmentAsync.cs b/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionEnlistmentAsync.cs
@@ -1,7 +1,6 @@
 ﻿// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
 using System.Runtime.InteropServices;
 
 namespace System.Transactions.DtcProxyShim.DtcInterfaces;
diff --git a/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionExport.cs b/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionExport.cs
@@ -1,7 +1,6 @@
 ﻿// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
 using System.Runtime.InteropServices;
 
 namespace System.Transactions.DtcProxyShim.DtcInterfaces;
diff --git a/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionExportFactory.cs b/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionExportFactory.cs
@@ -1,7 +1,6 @@
 ﻿// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
 using System.Runtime.InteropServices;
 
 namespace System.Transactions.DtcProxyShim.DtcInterfaces;
diff --git a/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionImport.cs b/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionImport.cs
@@ -1,7 +1,6 @@
 ﻿// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
 using System.Runtime.InteropServices;
 
 namespace System.Transactions.DtcProxyShim.DtcInterfaces;
@@ -13,6 +12,6 @@ internal interface ITransactionImport
     void Import(
         uint cbTransactionCookie,
         [MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 0)] byte[] rgbTransactionCookie,
-        Guid piid,
+        in Guid piid,
         [MarshalAs(UnmanagedType.Interface)] out object ppvTransaction);
 }
diff --git a/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionOptions.cs b/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionOptions.cs
@@ -1,7 +1,6 @@
 ﻿// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
 using System.Runtime.InteropServices;
 
 namespace System.Transactions.DtcProxyShim.DtcInterfaces;
diff --git a/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionOutcomeEvents.cs b/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionOutcomeEvents.cs
@@ -10,11 +10,21 @@ namespace System.Transactions.DtcProxyShim.DtcInterfaces;
 [ComImport, Guid("3A6AD9E2-23B9-11cf-AD60-00AA00A74CCD"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
 internal interface ITransactionOutcomeEvents
 {
-    void Committed([MarshalAs(UnmanagedType.Bool)] bool fRetaining, IntPtr pNewUOW /* always null? */, int hresult);
+    void Committed(
+        [MarshalAs(UnmanagedType.Bool)] bool fRetaining,
+        IntPtr pNewUOW,
+        int hresult);
 
-    void Aborted(IntPtr pboidReason, [MarshalAs(UnmanagedType.Bool)] bool fRetaining, IntPtr pNewUOW, int hresult);
+    void Aborted(
+        IntPtr pboidReason,
+        [MarshalAs(UnmanagedType.Bool)] bool fRetaining,
+        IntPtr pNewUOW,
+        int hresult);
 
-    void HeuristicDecision([MarshalAs(UnmanagedType.U4)] OletxTransactionHeuristic dwDecision, IntPtr pboidReason, int hresult);
+    void HeuristicDecision(
+        [MarshalAs(UnmanagedType.U4)] OletxTransactionHeuristic dwDecision,
+        IntPtr pboidReason,
+        int hresult);
 
     void Indoubt();
 }
diff --git a/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionReceiver.cs b/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionReceiver.cs
@@ -1,7 +1,6 @@
 ﻿// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
 using System.Runtime.InteropServices;
 
 namespace System.Transactions.DtcProxyShim.DtcInterfaces;
diff --git a/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionReceiverFactory.cs b/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionReceiverFactory.cs
@@ -1,7 +1,6 @@
 ﻿// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
 using System.Runtime.InteropServices;
 
 namespace System.Transactions.DtcProxyShim.DtcInterfaces;
diff --git a/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionResourceAsync.cs b/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionResourceAsync.cs
@@ -1,9 +1,7 @@
 ﻿// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
 using System.Runtime.InteropServices;
-using System.Transactions.Oletx;
 
 namespace System.Transactions.DtcProxyShim.DtcInterfaces;
 
@@ -19,7 +17,10 @@ void PrepareRequest(
 
     void CommitRequest(OletxXactRm grfRM, IntPtr pNewUOW);
 
-    void AbortRequest(IntPtr pboidReason, [MarshalAs(UnmanagedType.Bool)] bool fRetaining, IntPtr pNewUOW);
+    void AbortRequest(
+        IntPtr pboidReason,
+        [MarshalAs(UnmanagedType.Bool)] bool fRetaining,
+        IntPtr pNewUOW);
 
     void TMDown();
 }
diff --git a/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionTransmitter.cs b/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionTransmitter.cs
@@ -1,7 +1,6 @@
 ﻿// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
 using System.Runtime.InteropServices;
 
 namespace System.Transactions.DtcProxyShim.DtcInterfaces;
diff --git a/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionTransmitterFactory.cs b/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionTransmitterFactory.cs
@@ -1,7 +1,6 @@
 ﻿// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
 using System.Runtime.InteropServices;
 
 namespace System.Transactions.DtcProxyShim.DtcInterfaces;
diff --git a/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionVoterNotifyAsync2.cs b/src/libraries/System.Transactions.Local/src/System/Transactions/DtcProxyShim/DtcInterfaces/ITransactionVoterNotifyAsync2.cs
@@ -10,11 +10,21 @@ namespace System.Transactions.DtcProxyShim.DtcInterfaces;
 [ComImport, Guid("5433376B-414D-11d3-B206-00C04FC2F3EF"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
 internal interface ITransactionVoterNotifyAsync2
 {
-    void Committed([MarshalAs(UnmanagedType.Bool)] bool fRetaining, IntPtr pNewUOW /* always null? */, uint hresult);
+    void Committed(
+        [MarshalAs(UnmanagedType.Bool)] bool fRetaining,
+        IntPtr pNewUOW,
+        uint hresult);
 
-    void Aborted(IntPtr pboidReason, [MarshalAs(UnmanagedType.Bool)] bool fRetaining, IntPtr pNewUOW, uint hresult);
+    void Aborted(
+        IntPtr pboidReason,
+        [MarshalAs(UnmanagedType.Bool)] bool fRetaining,
+        IntPtr pNewUOW,
+        uint hresult);
 
-    void HeuristicDecision([MarshalAs(UnmanagedType.U4)] OletxTransactionHeuristic dwDecision, IntPtr pboidReason, uint hresult);
+    void HeuristicDecision(
+        [MarshalAs(UnmanagedType.U4)] OletxTransactionHeuristic dwDecision,
+        IntPtr pboidReason,
+        uint hresult);
 
     void Indoubt();
 
diff --git a/src/libraries/System.Transactions.Local/tests/OleTxTests.cs b/src/libraries/System.Transactions.Local/tests/OleTxTests.cs
@@ -28,9 +28,11 @@ public OleTxTests(OleTxFixture fixture)
     [InlineData(Phase1Vote.ForceRollback, Phase1Vote.Prepared, EnlistmentOutcome.Aborted, EnlistmentOutcome.Aborted, TransactionStatus.Aborted)]
     public void Two_durable_enlistments_commit(Phase1Vote vote1, Phase1Vote vote2, EnlistmentOutcome expectedOutcome1, EnlistmentOutcome expectedOutcome2, TransactionStatus expectedTxStatus)
     {
-        if (!Environment.Is64BitProcess)
+        if (!Environment.Is64BitProcess || PlatformDetection.IsArm64Process)
         {
-            return; // Temporarily skip on 32-bit where we have an issue
+            // Temporarily skip on 32-bit where we have an issue
+            // ARM64 issue: https://github.com/dotnet/runtime/issues/74170
+            return;
         }
 
         using var tx = new CommittableTransaction();
@@ -61,9 +63,11 @@ public void Two_durable_enlistments_commit(Phase1Vote vote1, Phase1Vote vote2, E
     [ConditionalFact(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsNanoServer))]
     public void Two_durable_enlistments_rollback()
     {
-        if (!Environment.Is64BitProcess)
+        if (!Environment.Is64BitProcess || PlatformDetection.IsArm64Process)
         {
-            return; // Temporarily skip on 32-bit where we have an issue
+            // Temporarily skip on 32-bit where we have an issue
+            // ARM64 issue: https://github.com/dotnet/runtime/issues/74170
+            return;
         }
 
         using var tx = new CommittableTransaction();
@@ -89,9 +93,11 @@ public void Two_durable_enlistments_rollback()
     [InlineData(2)]
     public void Volatile_and_durable_enlistments(int volatileCount)
     {
-        if (!Environment.Is64BitProcess)
+        if (!Environment.Is64BitProcess || PlatformDetection.IsArm64Process)
         {
-            return; // Temporarily skip on 32-bit where we have an issue
+            // Temporarily skip on 32-bit where we have an issue
+            // ARM64 issue: https://github.com/dotnet/runtime/issues/74170
+            return;
         }
 
         using var tx = new CommittableTransaction();
@@ -122,9 +128,11 @@ public void Volatile_and_durable_enlistments(int volatileCount)
     [ConditionalFact(nameof(IsRemoteExecutorSupportedAndNotNano))]
     public void Promotion()
     {
-        if (!Environment.Is64BitProcess)
+        if (!Environment.Is64BitProcess || PlatformDetection.IsArm64Process)
         {
-            return; // Temporarily skip on 32-bit where we have an issue
+            // Temporarily skip on 32-bit where we have an issue
+            // ARM64 issue: https://github.com/dotnet/runtime/issues/74170
+            return;
         }
 
         // This simulates the full promotable flow, as implemented for SQL Server.
@@ -301,9 +309,11 @@ public void SinglePhaseCommit(SinglePhaseEnlistment singlePhaseEnlistment)
     [ConditionalFact(nameof(IsRemoteExecutorSupportedAndNotNano))]
     public void Recovery()
     {
-        if (!Environment.Is64BitProcess)
+        if (!Environment.Is64BitProcess || PlatformDetection.IsArm64Process)
         {
-            return; // Temporarily skip on 32-bit where we have an issue
+            // Temporarily skip on 32-bit where we have an issue
+            // ARM64 issue: https://github.com/dotnet/runtime/issues/74170
+            return;
         }
 
         // We are going to spin up an external process to also enlist in the transaction, and then to crash when it
@@ -413,9 +423,11 @@ public void InDoubt(Enlistment enlistment)
     [ConditionalFact(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsNanoServer))]
     public void TransmitterPropagationToken()
     {
-        if (!Environment.Is64BitProcess)
+        if (!Environment.Is64BitProcess || PlatformDetection.IsArm64Process)
         {
-            return; // Temporarily skip on 32-bit where we have an issue
+            // Temporarily skip on 32-bit where we have an issue
+            // ARM64 issue: https://github.com/dotnet/runtime/issues/74170
+            return;
         }
 
         using var tx = new CommittableTransaction();
@@ -434,9 +446,11 @@ public void TransmitterPropagationToken()
     [ConditionalFact(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsNanoServer))]
     public void GetExportCookie()
     {
-        if (!Environment.Is64BitProcess)
+        if (!Environment.Is64BitProcess || PlatformDetection.IsArm64Process)
         {
-            return; // Temporarily skip on 32-bit where we have an issue
+            // Temporarily skip on 32-bit where we have an issue
+            // ARM64 issue: https://github.com/dotnet/runtime/issues/74170
+            return;
         }
 
         using var tx = new CommittableTransaction();
@@ -483,9 +497,11 @@ public class OleTxFixture
     {
         public OleTxFixture()
         {
-            if (!Environment.Is64BitProcess)
+            if (!Environment.Is64BitProcess || PlatformDetection.IsArm64Process)
             {
-                return; // Temporarily skip on 32-bit where we have an issue
+                // Temporarily skip on 32-bit where we have an issue
+                // ARM64 issue: https://github.com/dotnet/runtime/issues/74170
+                return;
             }
 
             // In CI, we sometimes get XACT_E_TMNOTAVAILABLE on the very first attempt to connect to MSDTC;

Original file line number	Diff line number	Diff line change
`@@ -7,7 +7,7 @@`
`7`	`7`
`8`	`8`	`namespace System.Transactions.DtcProxyShim.DtcInterfaces;`
`9`	`9`
`10`		`-// https://docs.microsoft.com/previous-versions/windows/desktop/ms679525(v=vs.85)`
	`10`	`+// https://docs.microsoft.com/en-us/previous-versions/windows/desktop/ms687604(v=vs.85)`
`11`	`11`	`[ComImport, Guid(Guids.IID_ITransactionDispenser), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]`
`12`	`12`	`internal interface ITransactionDispenser`
`13`	`13`	`{`
Original file line number	Diff line number	Diff line change
`@@ -28,9 +28,11 @@ public OleTxTests(OleTxFixture fixture)`
`28`	`28`	`[InlineData(Phase1Vote.ForceRollback, Phase1Vote.Prepared, EnlistmentOutcome.Aborted, EnlistmentOutcome.Aborted, TransactionStatus.Aborted)]`
`29`	`29`	`public void Two_durable_enlistments_commit(Phase1Vote vote1, Phase1Vote vote2, EnlistmentOutcome expectedOutcome1, EnlistmentOutcome expectedOutcome2, TransactionStatus expectedTxStatus)`
`30`	`30`	`{`
`31`		`- if (!Environment.Is64BitProcess)`
	`31`	`+ if (!Environment.Is64BitProcess \|\| PlatformDetection.IsArm64Process)`
`32`	`32`	`{`
`33`		`- return; // Temporarily skip on 32-bit where we have an issue`
	`33`	`+ // Temporarily skip on 32-bit where we have an issue`
	`34`	`+ // ARM64 issue: https://github.com/dotnet/runtime/issues/74170`
	`35`	`+ return;`
`34`	`36`	`}`
`35`	`37`
`36`	`38`	`using var tx = new CommittableTransaction();`
`@@ -61,9 +63,11 @@ public void Two_durable_enlistments_commit(Phase1Vote vote1, Phase1Vote vote2, E`
`61`	`63`	`[ConditionalFact(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsNanoServer))]`
`62`	`64`	`public void Two_durable_enlistments_rollback()`
`63`	`65`	`{`
`64`		`- if (!Environment.Is64BitProcess)`
	`66`	`+ if (!Environment.Is64BitProcess \|\| PlatformDetection.IsArm64Process)`
`65`	`67`	`{`
`66`		`- return; // Temporarily skip on 32-bit where we have an issue`
	`68`	`+ // Temporarily skip on 32-bit where we have an issue`
	`69`	`+ // ARM64 issue: https://github.com/dotnet/runtime/issues/74170`
	`70`	`+ return;`
`67`	`71`	`}`
`68`	`72`
`69`	`73`	`using var tx = new CommittableTransaction();`
`@@ -89,9 +93,11 @@ public void Two_durable_enlistments_rollback()`
`89`	`93`	`[InlineData(2)]`
`90`	`94`	`public void Volatile_and_durable_enlistments(int volatileCount)`
`91`	`95`	`{`
`92`		`- if (!Environment.Is64BitProcess)`
	`96`	`+ if (!Environment.Is64BitProcess \|\| PlatformDetection.IsArm64Process)`
`93`	`97`	`{`
`94`		`- return; // Temporarily skip on 32-bit where we have an issue`
	`98`	`+ // Temporarily skip on 32-bit where we have an issue`
	`99`	`+ // ARM64 issue: https://github.com/dotnet/runtime/issues/74170`
	`100`	`+ return;`
`95`	`101`	`}`
`96`	`102`
`97`	`103`	`using var tx = new CommittableTransaction();`
`@@ -122,9 +128,11 @@ public void Volatile_and_durable_enlistments(int volatileCount)`
`122`	`128`	`[ConditionalFact(nameof(IsRemoteExecutorSupportedAndNotNano))]`
`123`	`129`	`public void Promotion()`
`124`	`130`	`{`
`125`		`- if (!Environment.Is64BitProcess)`
	`131`	`+ if (!Environment.Is64BitProcess \|\| PlatformDetection.IsArm64Process)`
`126`	`132`	`{`
`127`		`- return; // Temporarily skip on 32-bit where we have an issue`
	`133`	`+ // Temporarily skip on 32-bit where we have an issue`
	`134`	`+ // ARM64 issue: https://github.com/dotnet/runtime/issues/74170`
	`135`	`+ return;`
`128`	`136`	`}`
`129`	`137`
`130`	`138`	`// This simulates the full promotable flow, as implemented for SQL Server.`
`@@ -301,9 +309,11 @@ public void SinglePhaseCommit(SinglePhaseEnlistment singlePhaseEnlistment)`
`301`	`309`	`[ConditionalFact(nameof(IsRemoteExecutorSupportedAndNotNano))]`
`302`	`310`	`public void Recovery()`
`303`	`311`	`{`
`304`		`- if (!Environment.Is64BitProcess)`
	`312`	`+ if (!Environment.Is64BitProcess \|\| PlatformDetection.IsArm64Process)`
`305`	`313`	`{`
`306`		`- return; // Temporarily skip on 32-bit where we have an issue`
	`314`	`+ // Temporarily skip on 32-bit where we have an issue`
	`315`	`+ // ARM64 issue: https://github.com/dotnet/runtime/issues/74170`
	`316`	`+ return;`
`307`	`317`	`}`
`308`	`318`
`309`	`319`	`// We are going to spin up an external process to also enlist in the transaction, and then to crash when it`
`@@ -413,9 +423,11 @@ public void InDoubt(Enlistment enlistment)`
`413`	`423`	`[ConditionalFact(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsNanoServer))]`
`414`	`424`	`public void TransmitterPropagationToken()`
`415`	`425`	`{`
`416`		`- if (!Environment.Is64BitProcess)`
	`426`	`+ if (!Environment.Is64BitProcess \|\| PlatformDetection.IsArm64Process)`
`417`	`427`	`{`
`418`		`- return; // Temporarily skip on 32-bit where we have an issue`
	`428`	`+ // Temporarily skip on 32-bit where we have an issue`
	`429`	`+ // ARM64 issue: https://github.com/dotnet/runtime/issues/74170`
	`430`	`+ return;`
`419`	`431`	`}`
`420`	`432`
`421`	`433`	`using var tx = new CommittableTransaction();`
`@@ -434,9 +446,11 @@ public void TransmitterPropagationToken()`
`434`	`446`	`[ConditionalFact(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsNanoServer))]`
`435`	`447`	`public void GetExportCookie()`
`436`	`448`	`{`
`437`		`- if (!Environment.Is64BitProcess)`
	`449`	`+ if (!Environment.Is64BitProcess \|\| PlatformDetection.IsArm64Process)`
`438`	`450`	`{`
`439`		`- return; // Temporarily skip on 32-bit where we have an issue`
	`451`	`+ // Temporarily skip on 32-bit where we have an issue`
	`452`	`+ // ARM64 issue: https://github.com/dotnet/runtime/issues/74170`
	`453`	`+ return;`
`440`	`454`	`}`
`441`	`455`
`442`	`456`	`using var tx = new CommittableTransaction();`
`@@ -483,9 +497,11 @@ public class OleTxFixture`
`483`	`497`	`{`
`484`	`498`	`public OleTxFixture()`
`485`	`499`	`{`
`486`		`- if (!Environment.Is64BitProcess)`
	`500`	`+ if (!Environment.Is64BitProcess \|\| PlatformDetection.IsArm64Process)`
`487`	`501`	`{`
`488`		`- return; // Temporarily skip on 32-bit where we have an issue`
	`502`	`+ // Temporarily skip on 32-bit where we have an issue`
	`503`	`+ // ARM64 issue: https://github.com/dotnet/runtime/issues/74170`
	`504`	`+ return;`
`489`	`505`	`}`
`490`	`506`
`491`	`507`	`// In CI, we sometimes get XACT_E_TMNOTAVAILABLE on the very first attempt to connect to MSDTC;`