CompareExchange

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\SemanticModelReuse\SemanticModelWorkspaceServiceFactory.SemanticModelWorkspaceService.cs (1)

134Interlocked.CompareExchange(ref _semanticModelMap, updatedMap, originalMap);

TestTransport\InMemoryTransportConnection.cs (1)

66if (Interlocked.CompareExchange(ref _isClosed, true, false) == true)

src\Compilers\Core\Portable\InternalUtilities\InterlockedOperations.cs (5)

17=> Interlocked.CompareExchange(ref target, value, null) ?? value; 117/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 135/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 141T oldValue = Interlocked.CompareExchange(ref target, initializedValue, uninitializedValue); 152/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/>

src\Dependencies\Collections\Segmented\ImmutableSegmentedDictionary`2+PrivateMarshal.cs (1)

40var dictionary = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._dictionary), value._dictionary, comparand._dictionary);

src\Dependencies\Collections\Segmented\ImmutableSegmentedHashSet`1+PrivateMarshal.cs (1)

40var set = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._set), value._set, comparand._set);

src\Dependencies\Collections\Segmented\ImmutableSegmentedList`1+PrivateMarshal.cs (1)

40var list = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._list), value._list, comparand._list);

src\Dependencies\PooledObjects\ObjectPool`1.cs (2)

152if (inst == null || inst != Interlocked.CompareExchange(ref _firstItem, null, inst)) 181if (inst == Interlocked.CompareExchange(ref items[i].Value, null, inst))

src\Dependencies\Threading\CancellationSeries.cs (1)

83var candidate = Interlocked.CompareExchange(ref _cts, nextSource, priorSource);

src\Compilers\Core\Portable\InternalUtilities\InterlockedOperations.cs (5)

17=> Interlocked.CompareExchange(ref target, value, null) ?? value; 117/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 135/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 141T oldValue = Interlocked.CompareExchange(ref target, initializedValue, uninitializedValue); 152/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/>

src\Dependencies\Collections\Segmented\ImmutableSegmentedDictionary`2+PrivateMarshal.cs (1)

40var dictionary = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._dictionary), value._dictionary, comparand._dictionary);

src\Dependencies\Collections\Segmented\ImmutableSegmentedHashSet`1+PrivateMarshal.cs (1)

40var set = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._set), value._set, comparand._set);

src\Dependencies\Collections\Segmented\ImmutableSegmentedList`1+PrivateMarshal.cs (1)

40var list = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._list), value._list, comparand._list);

src\Dependencies\PooledObjects\ObjectPool`1.cs (2)

152if (inst == null || inst != Interlocked.CompareExchange(ref _firstItem, null, inst)) 181if (inst == Interlocked.CompareExchange(ref items[i].Value, null, inst))

src\Dependencies\Threading\CancellationSeries.cs (1)

83var candidate = Interlocked.CompareExchange(ref _cts, nextSource, priorSource);

src\Shared\RoslynUtils\WellKnownTypes.cs (1)

82Interlocked.CompareExchange(ref _lazyWellKnownTypes[index], result, null);

.packages\microsoft.dotnet.hotreload.agent\10.0.100-preview.7.25330.103\contentFiles\cs\netstandard2.1\MetadataUpdateHandlerInvoker.cs (1)

105Interlocked.CompareExchange(ref _actions, GetUpdateHandlerActions(), null);

HotReload\WebAssemblyHotReload.cs (1)

74var existingAgent = Interlocked.CompareExchange(ref s_hotReloadAgent, agent, null);

UnsafeNativeMethods.cs (1)

445if (Interlocked.CompareExchange(ref safeLibraryHandle, newHandle, null) is not null)

WeakReferenceHelpers.cs (1)

44WeakReference<T>? currentWeakRef = Interlocked.CompareExchange(ref weakReference, newWeakRef, existingWeakRef);

KeyManagement\XmlKeyManager.cs (1)

285return Interlocked.CompareExchange<CancellationTokenSource?>(ref _cacheExpirationTokenSource, null, null).Token;

TimeLimitedDataProtector.cs (1)

43retVal = Interlocked.CompareExchange(ref _innerProtectorWithTimeLimitedPurpose, newValue, null) ?? newValue;

src\Shared\RoslynUtils\WellKnownTypes.cs (1)

82Interlocked.CompareExchange(ref _lazyWellKnownTypes[index], result, null);

RedisOutputCacheStore.cs (1)

409ReleaseConnection(Interlocked.CompareExchange(ref _cache, null, cache));

EndpointRoutingMiddleware.cs (1)

254var initializationTask = Interlocked.CompareExchange(ref _initializationTask, initialization.Task, null);

src\Shared\HttpSys\RequestProcessing\RequestHeaders.cs (1)

38Interlocked.CompareExchange(ref _extra, newDict, null);

Core\IO\AsyncIOOperation.cs (2)

40var previousContinuation = Interlocked.CompareExchange(ref _continuation, continuation, null); 114var continuation = Interlocked.CompareExchange(ref _continuation, CallbackCompleted, null);

src\Shared\HttpSys\RequestProcessing\RequestHeaders.cs (1)

38Interlocked.CompareExchange(ref _extra, newDict, null);

Internal\Infrastructure\StreamCloseAwaitable.cs (1)

30ReferenceEquals(Interlocked.CompareExchange(ref _callback, continuation, null), _callbackCompleted))

Internal\SocketAwaitableEventArgs.cs (2)

37if (c != null || (c = Interlocked.CompareExchange(ref _continuation, _continuationCompleted, null)) != null) 74var prevContinuation = Interlocked.CompareExchange(ref _continuation, continuation, null);

src\Shared\HttpSys\RequestProcessing\RequestHeaders.cs (1)

38Interlocked.CompareExchange(ref _extra, newDict, null);

src\SignalR\common\Shared\TimerAwaitable.cs (1)

83ReferenceEquals(Interlocked.CompareExchange(ref _callback, continuation, null), _callbackCompleted))

Definition\ProjectCollection.cs (1)

437if (Interlocked.CompareExchange(ref s_globalProjectCollection, local, null) != null)

InterningBinaryReader.cs (1)

232Interlocked.CompareExchange(ref s_bufferPool, _buffer, null);

Logging\BaseConsoleLogger.cs (1)

1265StringBuilder previous = Interlocked.CompareExchange(ref _sharedStringBuilder, builder, null);

ObjectModelRemoting\LinkedObjectFactory.cs (4)

255Interlocked.CompareExchange(ref _immutableInstance, instance, null); 279Interlocked.CompareExchange(ref _immutableInstance, instance, null); 302Interlocked.CompareExchange(ref _immutableInstance, instance, null); 334Interlocked.CompareExchange(ref _immutableInstance, instance, null);

EnvironmentUtilities.cs (2)

73Interlocked.CompareExchange(ref s_processPath, currentProcess.MainModule.FileName ?? "", null); 91Interlocked.CompareExchange(ref s_processName, currentProcess.ProcessName, null);

ImmutableSegmentedDictionary`2+PrivateInterlocked.cs (1)

37var dictionary = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._dictionary), value._dictionary, comparand._dictionary);

ImmutableSegmentedList`1+PrivateInterlocked.cs (1)

37var list = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._list), value._list, comparand._list);

InterningBinaryReader.cs (1)

232Interlocked.CompareExchange(ref s_bufferPool, _buffer, null);

System.Design.cs (1)

109Interlocked.CompareExchange(ref s_loader, sr, null);

CodeGen\CompilationTestData.cs (1)

82Interlocked.CompareExchange(ref _lazyMethodsByName, methodsByName, null);

CodeGen\PrivateImplementationDetails.cs (2)

412Interlocked.CompareExchange(ref _mvidField, new ModuleVersionIdField(this, mvidType), null); 424Interlocked.CompareExchange(ref _moduleCancellationTokenField, new ModuleCancellationTokenField(this, cancellationTokenType), null);

Collections\CachingDictionary.cs (2)

158localMap = Interlocked.CompareExchange(ref _map, concurrentMap, null); 256var replacedMap = Interlocked.CompareExchange(ref _map, fullyPopulatedMap, currentMap);

Collections\SmallConcurrentSetOfInts.cs (1)

104nextSet = Interlocked.CompareExchange(ref set._next, tail, null);

Compilation\CommonModuleCompilationState.cs (1)

48Interlocked.CompareExchange(ref _lazyStateMachineTypes, new Dictionary<TMethodSymbol, TNamedTypeSymbol>(), null);

Diagnostic\CustomObsoleteDiagnosticInfo.cs (1)

47Interlocked.CompareExchange(ref _descriptor, CreateDescriptor(), null);

Diagnostic\DiagnosticBag.cs (1)

306return Interlocked.CompareExchange(ref _lazyBag, newBag, null) ?? newBag;

DiagnosticAnalyzer\AnalyzerDriver.cs (1)

2424Interlocked.CompareExchange(ref _lazyCoreActions, createCoreActions(), null);

DiagnosticAnalyzer\AnalyzerExecutor.cs (1)

1552Interlocked.CompareExchange(ref _lazyControlFlowGraphMap, new ConcurrentDictionary<IOperation, ControlFlowGraph>(), null);

DiagnosticAnalyzer\AnalyzerFileReference.cs (1)

459Interlocked.CompareExchange(ref _lazyExtensionTypeNameMap, analyzerTypeNameMap, null);

DiagnosticAnalyzer\CompilationAnalysisValueProviderFactory.cs (1)

21Interlocked.CompareExchange(ref _lazySharedStateProviderMap, new Dictionary<object, object>(), null);

DiagnosticAnalyzer\SuppressMessageAttributeState.cs (3)

231Interlocked.CompareExchange( 247Interlocked.CompareExchange( 269Interlocked.CompareExchange(ref _lazyGlobalSuppressions, suppressions, null);

Emit\CommonPEModuleBuilder.cs (7)

227if (Interlocked.CompareExchange(ref _lazyArrayMethods, result, null) != null) 886Interlocked.CompareExchange(ref NestedTypes, new ConcurrentQueue<Cci.INestedTypeDefinition>(), null); 978Interlocked.CompareExchange(ref defs.Methods, new ConcurrentQueue<Cci.IMethodDefinition>(), null); 991Interlocked.CompareExchange(ref defs.Properties, new ConcurrentQueue<Cci.IPropertyDefinition>(), null); 1004Interlocked.CompareExchange(ref defs.Fields, new ConcurrentQueue<Cci.IFieldDefinition>(), null); 1023Interlocked.CompareExchange(ref _lazySynthesizedNamespaceMembers, new ConcurrentDictionary<INamespaceSymbolInternal, ConcurrentQueue<INamespaceOrTypeSymbolInternal>>(), null); 1135if (Interlocked.CompareExchange(ref _lazyPrivateImplementationDetails, result, null) != null)

InternalUtilities\InterlockedOperations.cs (5)

17=> Interlocked.CompareExchange(ref target, value, null) ?? value; 117/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 135/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 141T oldValue = Interlocked.CompareExchange(ref target, initializedValue, uninitializedValue); 152/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/>

MetadataReader\PEAssembly.cs (1)

185Interlocked.CompareExchange(ref _lazyInternalsVisibleToMap, BuildInternalsVisibleToMap(), null);

MetadataReader\PEModule.cs (3)

269Interlocked.CompareExchange(ref _lazyMetadataReader, newReader, null); 2663Interlocked.CompareExchange( 2671Interlocked.CompareExchange(

MetadataReference\AssemblyMetadata.cs (1)

345createdModulesUsed = Interlocked.CompareExchange(ref _lazyData, newData, null) == null;

MetadataReference\PortableExecutableReference.cs (1)

57Interlocked.CompareExchange(ref _lazyDocumentation, CreateDocumentationProvider(), null);

Operations\ControlFlowGraph.cs (4)

256Interlocked.CompareExchange(ref _lazyLocalFunctionsGraphs, new ControlFlowGraph[LocalFunctions.Length], null); 265Interlocked.CompareExchange(ref localFunctionGraph, graph, null); 303Interlocked.CompareExchange(ref _lazyAnonymousFunctionsGraphs, new ControlFlowGraph[_anonymousFunctionsMap.Count], null); 312Interlocked.CompareExchange(ref anonymousFlowGraph, graph, null);

src\Dependencies\Collections\Segmented\ImmutableSegmentedDictionary`2+PrivateMarshal.cs (1)

40var dictionary = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._dictionary), value._dictionary, comparand._dictionary);

src\Dependencies\Collections\Segmented\ImmutableSegmentedHashSet`1+PrivateMarshal.cs (1)

40var set = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._set), value._set, comparand._set);

src\Dependencies\Collections\Segmented\ImmutableSegmentedList`1+PrivateMarshal.cs (1)

40var list = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._list), value._list, comparand._list);

src\Dependencies\PooledObjects\ObjectPool`1.cs (2)

152if (inst == null || inst != Interlocked.CompareExchange(ref _firstItem, null, inst)) 181if (inst == Interlocked.CompareExchange(ref items[i].Value, null, inst))

Symbols\Attributes\CustomAttributesBag.cs (2)

73var setOnOurThread = Interlocked.CompareExchange(ref _earlyDecodedWellKnownAttributeData, data, null) == null; 88var setOnOurThread = Interlocked.CompareExchange(ref _decodedWellKnownAttributeData, data, null) == null;

Symbols\Attributes\SecurityWellKnownAttributeData.cs (2)

37Interlocked.CompareExchange(ref _lazySecurityActions, new byte[totalSourceAttributes], null); 51Interlocked.CompareExchange(ref _lazyPathsForPermissionSetFixup, new string[totalSourceAttributes], null);

Syntax\SyntaxNode.cs (7)

146Interlocked.CompareExchange(ref field, green.CreateRed(this, this.GetChildPosition(slot)), null); 164Interlocked.CompareExchange(ref field, green.CreateRed(this, this.Position), null); 181Interlocked.CompareExchange(ref field, (T)green.CreateRed(this, this.GetChildPosition(slot)), null); 199Interlocked.CompareExchange(ref field, (T)green.CreateRed(this, this.Position), null); 222Interlocked.CompareExchange(ref element, green.CreateRed(this.Parent, this.GetChildPosition(slot)), null); 244Interlocked.CompareExchange(ref element, green.CreateRed(this.Parent, this.GetChildPosition(1)), null); 279if (Interlocked.CompareExchange(ref slot, newWeakReference, previousWeakReference) == previousWeakReference)

Text\SourceText.cs (2)

479Interlocked.CompareExchange(ref _lazyContainer, new StaticContainer(this), null); 942return info ?? Interlocked.CompareExchange(ref _lazyLineInfo, info = GetLinesCore(), null) ?? info;

src\Compilers\Core\Portable\InternalUtilities\InterlockedOperations.cs (5)

17=> Interlocked.CompareExchange(ref target, value, null) ?? value; 117/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 135/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 141T oldValue = Interlocked.CompareExchange(ref target, initializedValue, uninitializedValue); 152/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/>

src\Dependencies\Collections\Segmented\ImmutableSegmentedDictionary`2+PrivateMarshal.cs (1)

40var dictionary = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._dictionary), value._dictionary, comparand._dictionary);

src\Dependencies\Collections\Segmented\ImmutableSegmentedHashSet`1+PrivateMarshal.cs (1)

40var set = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._set), value._set, comparand._set);

src\Dependencies\Collections\Segmented\ImmutableSegmentedList`1+PrivateMarshal.cs (1)

40var list = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._list), value._list, comparand._list);

src\Dependencies\PooledObjects\ObjectPool`1.cs (2)

152if (inst == null || inst != Interlocked.CompareExchange(ref _firstItem, null, inst)) 181if (inst == Interlocked.CompareExchange(ref items[i].Value, null, inst))

src\Dependencies\Threading\CancellationSeries.cs (1)

83var candidate = Interlocked.CompareExchange(ref _cts, nextSource, priorSource);

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\SemanticModelReuse\SemanticModelWorkspaceServiceFactory.SemanticModelWorkspaceService.cs (1)

134Interlocked.CompareExchange(ref _semanticModelMap, updatedMap, originalMap);

src\Compilers\Core\Portable\InternalUtilities\InterlockedOperations.cs (5)

17=> Interlocked.CompareExchange(ref target, value, null) ?? value; 117/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 135/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 141T oldValue = Interlocked.CompareExchange(ref target, initializedValue, uninitializedValue); 152/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/>

src\Dependencies\Collections\Segmented\ImmutableSegmentedDictionary`2+PrivateMarshal.cs (1)

40var dictionary = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._dictionary), value._dictionary, comparand._dictionary);

src\Dependencies\Collections\Segmented\ImmutableSegmentedHashSet`1+PrivateMarshal.cs (1)

40var set = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._set), value._set, comparand._set);

src\Dependencies\Collections\Segmented\ImmutableSegmentedList`1+PrivateMarshal.cs (1)

40var list = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._list), value._list, comparand._list);

src\Dependencies\PooledObjects\ObjectPool`1.cs (2)

152if (inst == null || inst != Interlocked.CompareExchange(ref _firstItem, null, inst)) 181if (inst == Interlocked.CompareExchange(ref items[i].Value, null, inst))

src\Dependencies\Threading\CancellationSeries.cs (1)

83var candidate = Interlocked.CompareExchange(ref _cts, nextSource, priorSource);

src\RoslynAnalyzers\Utilities\FlowAnalysis\FlowAnalysis\Analysis\DisposeAnalysis\DisposeAnalysisHelper.cs (1)

93Interlocked.CompareExchange(ref _lazyDisposableFieldsMap, new ConcurrentDictionary<INamedTypeSymbol, ImmutableHashSet<IFieldSymbol>>(), null);

src\Compilers\Core\Portable\InternalUtilities\InterlockedOperations.cs (5)

17=> Interlocked.CompareExchange(ref target, value, null) ?? value; 117/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 135/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 141T oldValue = Interlocked.CompareExchange(ref target, initializedValue, uninitializedValue); 152/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/>

src\Dependencies\Collections\Segmented\ImmutableSegmentedDictionary`2+PrivateMarshal.cs (1)

40var dictionary = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._dictionary), value._dictionary, comparand._dictionary);

src\Dependencies\Collections\Segmented\ImmutableSegmentedHashSet`1+PrivateMarshal.cs (1)

40var set = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._set), value._set, comparand._set);

src\Dependencies\Collections\Segmented\ImmutableSegmentedList`1+PrivateMarshal.cs (1)

40var list = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._list), value._list, comparand._list);

src\Dependencies\PooledObjects\ObjectPool`1.cs (2)

152if (inst == null || inst != Interlocked.CompareExchange(ref _firstItem, null, inst)) 181if (inst == Interlocked.CompareExchange(ref items[i].Value, null, inst))

src\Dependencies\Threading\CancellationSeries.cs (1)

83var candidate = Interlocked.CompareExchange(ref _cts, nextSource, priorSource);

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\SemanticModelReuse\SemanticModelWorkspaceServiceFactory.SemanticModelWorkspaceService.cs (1)

134Interlocked.CompareExchange(ref _semanticModelMap, updatedMap, originalMap);

src\Compilers\Core\Portable\InternalUtilities\InterlockedOperations.cs (5)

17=> Interlocked.CompareExchange(ref target, value, null) ?? value; 117/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 135/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 141T oldValue = Interlocked.CompareExchange(ref target, initializedValue, uninitializedValue); 152/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/>

src\Dependencies\Collections\Segmented\ImmutableSegmentedDictionary`2+PrivateMarshal.cs (1)

40var dictionary = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._dictionary), value._dictionary, comparand._dictionary);

src\Dependencies\Collections\Segmented\ImmutableSegmentedHashSet`1+PrivateMarshal.cs (1)

40var set = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._set), value._set, comparand._set);

src\Dependencies\Collections\Segmented\ImmutableSegmentedList`1+PrivateMarshal.cs (1)

40var list = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._list), value._list, comparand._list);

src\Dependencies\PooledObjects\ObjectPool`1.cs (2)

152if (inst == null || inst != Interlocked.CompareExchange(ref _firstItem, null, inst)) 181if (inst == Interlocked.CompareExchange(ref items[i].Value, null, inst))

src\Dependencies\Threading\CancellationSeries.cs (1)

83var candidate = Interlocked.CompareExchange(ref _cts, nextSource, priorSource);

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\SemanticModelReuse\SemanticModelWorkspaceServiceFactory.SemanticModelWorkspaceService.cs (1)

134Interlocked.CompareExchange(ref _semanticModelMap, updatedMap, originalMap);

Segmented\ImmutableSegmentedDictionary`2+PrivateMarshal.cs (1)

40var dictionary = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._dictionary), value._dictionary, comparand._dictionary);

Segmented\ImmutableSegmentedHashSet`1+PrivateMarshal.cs (1)

40var set = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._set), value._set, comparand._set);

Segmented\ImmutableSegmentedList`1+PrivateMarshal.cs (1)

40var list = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._list), value._list, comparand._list);

src\Dependencies\PooledObjects\ObjectPool`1.cs (2)

152if (inst == null || inst != Interlocked.CompareExchange(ref _firstItem, null, inst)) 181if (inst == Interlocked.CompareExchange(ref items[i].Value, null, inst))

Binder\Binder.cs (2)

508Interlocked.CompareExchange(ref _lazyConversions, new Conversions(this), null); 522Interlocked.CompareExchange(ref _lazyOverloadResolution, new OverloadResolution(this), null);

Binder\LocalInProgressBinder.cs (1)

42Interlocked.CompareExchange(ref _localSymbol, local, null);

Binder\LockOrUsingBinder.cs (2)

71Interlocked.CompareExchange(ref _lazyLockedOrDisposedVariables, lockedOrDisposedVariables, null); 93Interlocked.CompareExchange(ref _lazyExpressionAndDiagnostics, new ExpressionAndDiagnostics(boundExpression, expressionDiagnostics.ToReadOnlyAndFree()), null);

Binder\Semantics\Conversions\ConversionsBase.cs (1)

58Interlocked.CompareExchange(ref _lazyOtherNullability, WithNullabilityCore(includeNullability), null);

Binder\SwitchBinder.cs (1)

69Interlocked.CompareExchange(ref _switchGoverningExpression, boundSwitchExpression, null);

Binder\WithExternAndUsingAliasesBinder.cs (2)

73Interlocked.CompareExchange(ref _lazyImportChain, BuildImportChain(), null); 155Interlocked.CompareExchange(ref _lazyUsingAliasesMap, _declaringSymbol.GetUsingAliasesMap(_declarationSyntax, basesBeingResolved), null);

Binder\WithUsingNamespacesAndTypesBinder.cs (2)

268Interlocked.CompareExchange(ref _lazyImportChain, importChain, null); 347Interlocked.CompareExchange(ref _lazyFullImports,

BoundTree\UnboundLambda.cs (1)

1189Interlocked.CompareExchange(ref _errorBinding, ReallyBindForErrorRecovery(), null);

Compilation\BuiltInOperators.cs (2)

241Interlocked.CompareExchange(ref _builtInUnaryOperators, allOperators, null); 672Interlocked.CompareExchange(ref _builtInOperators, allOperators, null);

Compilation\CSharpCompilation.cs (10)

Compilation\SyntaxAndDeclarationManager.cs (1)

43Interlocked.CompareExchange(ref _lazyState, CreateState(this.ExternalSyntaxTrees, this.ScriptClassName, this.Resolver, this.MessageProvider, this.IsSubmission), null);

Compilation\SyntaxTreeSemanticModel.cs (1)

1227Interlocked.CompareExchange(ref _globalStatementLabels, new ScriptLocalScopeBinder.Labels(scriptInitializer, (CompilationUnitSyntax)parent), null);

Compiler\MethodCompiler.cs (1)

2135Interlocked.CompareExchange(ref inMethodBinder.IdentifierMap, identifierMap, null);

Declarations\DeclarationTable.Cache.cs (3)

45Interlocked.CompareExchange( 60Interlocked.CompareExchange(ref _typeNames, GetTypeNames(this.MergedRoot), comparand: null); 71Interlocked.CompareExchange(ref _namespaceNames, GetNamespaceNames(this.MergedRoot), comparand: null);

Declarations\DeclarationTable.cs (4)

109Interlocked.CompareExchange(ref _mergedRoot, CalculateMergedRoot(compilation), null); 247Interlocked.CompareExchange(ref _typeNames, GetMergedTypeNames(), comparand: null); 258Interlocked.CompareExchange(ref _namespaceNames, GetMergedNamespaceNames(), comparand: null); 269Interlocked.CompareExchange(ref _referenceDirectives, GetMergedReferenceDirectives(), comparand: null);

DocumentationComments\PEDocumentationCommentUtils.cs (1)

29Interlocked.CompareExchange(

DocumentationComments\SourceDocumentationCommentUtils.cs (1)

27Interlocked.CompareExchange(ref lazyXmlText, xmlText, null);

Emitter\EditAndContinue\PEDeltaAssemblyBuilder.cs (1)

338Interlocked.CompareExchange(ref _lazyHotReloadExceptionType, symbol, comparand: null);

Emitter\Model\FunctionPointerTypeSymbolAdapter.cs (1)

32Interlocked.CompareExchange(ref _lazySignature, new FunctionPointerMethodSignature(AdaptedFunctionPointerTypeSymbol.Signature), null);

Emitter\Model\PEModuleBuilder.cs (2)

1467Interlocked.CompareExchange(ref _fixedImplementationTypes, new Dictionary<FieldSymbol, NamedTypeSymbol>(), null); 1855Interlocked.CompareExchange(

Emitter\NoPia\EmbeddedTypesManager.cs (1)

104if (Interlocked.CompareExchange(ref lazyMethod, symbol, ErrorMethodSymbol.UnknownMethod) == ErrorMethodSymbol.UnknownMethod)

FlowAnalysis\CSharpDataFlowAnalysis.cs (2)

85Interlocked.CompareExchange(ref _unassignedVariables, result, null); 366Interlocked.CompareExchange(ref _unassignedVariableAddressOfSyntaxes, result, null);

Parser\Directives.cs (1)

132=> Interlocked.CompareExchange(ref Unsafe.AsRef(in location._directives), value._directives, null);

SymbolDisplay\SymbolDisplayVisitor_Minimal.cs (1)

316return Interlocked.CompareExchange(ref _lazyAliasMap, map, null) ?? map;

Symbols\AliasSymbol.cs (1)

324if (Interlocked.CompareExchange(ref _aliasTarget, symbol, null) is null)

Symbols\AnonymousTypes\AnonymousTypeManager.Templates.cs (2)

126Interlocked.CompareExchange(ref _lazyAnonymousTypeTemplates, 148Interlocked.CompareExchange(ref _lazyAnonymousDelegates,

Symbols\AnonymousTypes\SynthesizedSymbols\AnonymousType.TypeOrDelegateTemplateSymbol.cs (2)

82var oldValue = Interlocked.CompareExchange(ref _nameAndIndex, value, null); 108if (ReferenceEquals(Interlocked.CompareExchange(ref _smallestLocation, location, currentSmallestLocation), currentSmallestLocation))

Symbols\Attributes\PEAttributeData.cs (2)

93Interlocked.CompareExchange(ref _lazyAttributeConstructor, attributeConstructor, null); 94Interlocked.CompareExchange(ref _lazyAttributeClass, (NamedTypeSymbol?)attributeClass, ErrorTypeSymbol.UnknownResultType); // Serves as a flag, so do it last.

Symbols\Compilation_WellKnownMembers.cs (4)

95Interlocked.CompareExchange(ref _lazyWellKnownTypeMembers, wellKnownTypeMembers, null); 109Interlocked.CompareExchange(ref _lazyWellKnownTypeMembers[(int)member], result, ErrorTypeSymbol.UnknownResultType); 132Interlocked.CompareExchange(ref _lazyWellKnownTypes, new NamedTypeSymbol[(int)WellKnownTypes.Count], null); 178if (Interlocked.CompareExchange(ref _lazyWellKnownTypes[index], result, null) is object)

Symbols\Extensions\SourceExtensionImplementationMethodSymbol.cs (1)

101Interlocked.CompareExchange(ref lazyNullableContext, new StrongBox<byte?>(nullableContext), comparand: null);

Symbols\FunctionTypeSymbol.cs (1)

86var result = Interlocked.CompareExchange(ref _lazyDelegateType, delegateType, Uninitialized);

Symbols\Metadata\PE\PEFieldSymbol.cs (1)

342Interlocked.CompareExchange(ref _lazyType, new TypeWithAnnotations.Boxed(type), null);

Symbols\Metadata\PE\PEMethodSymbol.cs (1)

1410Interlocked.CompareExchange(ref AccessUncommonFields()._lazyExplicitClassOverride, uniqueClassOverride, null);

Symbols\Metadata\PE\PEModuleSymbol.cs (3)

558Interlocked.CompareExchange(ref _lazyEventRegistrationTokenSymbol, 575Interlocked.CompareExchange(ref _lazyEventRegistrationTokenTableSymbol, 592Interlocked.CompareExchange(ref _lazySystemTypeSymbol,

Symbols\Metadata\PE\PENamedTypeSymbol.cs (13)

Symbols\Metadata\PE\PENamespaceSymbol.cs (2)

270Interlocked.CompareExchange(ref this.lazyNamespaces, namespaces, null); 320Interlocked.CompareExchange(ref _lazyNoPiaLocalTypes, noPiaLocalTypes, null);

Symbols\Metadata\PE\PETypeParameterSymbol.cs (1)

694Interlocked.CompareExchange(ref _lazyBounds, bounds, TypeParameterBounds.Unset);

Symbols\MetadataOrSourceAssemblySymbol.cs (8)

Symbols\MissingCorLibrarySymbol.cs (3)

48Interlocked.CompareExchange(ref _lazyTypeConversions, new TypeConversions(this), null); 71Interlocked.CompareExchange(ref _lazySpecialTypes, 79Interlocked.CompareExchange(ref _lazySpecialTypes[(int)type], corType, null);

Symbols\MissingMetadataTypeSymbol.cs (1)

277Interlocked.CompareExchange(ref _lazyContainingNamespace, container, null);

Symbols\NativeIntegerTypeSymbol.cs (1)

235Interlocked.CompareExchange(ref _lazyTypeMap, new NativeIntegerTypeMap(this), null);

Symbols\NonMissingAssemblySymbol.cs (1)

66Interlocked.CompareExchange(ref _globalNamespace, result, null);

Symbols\ParameterSignature.cs (1)

69Interlocked.CompareExchange(ref lazySignature, MakeParamTypesAndRefKinds(parameters), null);

Symbols\PublicModel\ArrayTypeSymbol.cs (1)

49Interlocked.CompareExchange(ref _lazyElementType, _underlying.ElementTypeWithAnnotations.GetPublicSymbol(), null);

Symbols\PublicModel\DiscardSymbol.cs (1)

29Interlocked.CompareExchange(ref _lazyType, _underlying.TypeWithAnnotations.GetPublicSymbol(), null);

Symbols\PublicModel\EventSymbol.cs (1)

31Interlocked.CompareExchange(ref _lazyType, _underlying.TypeWithAnnotations.GetPublicSymbol(), null);

Symbols\PublicModel\FieldSymbol.cs (1)

44Interlocked.CompareExchange(ref _lazyType, _underlying.TypeWithAnnotations.GetPublicSymbol(), null);

Symbols\PublicModel\LocalSymbol.cs (1)

31Interlocked.CompareExchange(ref _lazyType, _underlying.TypeWithAnnotations.GetPublicSymbol(), null);

Symbols\PublicModel\MethodSymbol.cs (2)

85Interlocked.CompareExchange(ref _lazyReturnType, _underlying.ReturnTypeWithAnnotations.GetPublicSymbol(), null); 179Interlocked.CompareExchange(ref _lazyReceiverType, _underlying.ReceiverType?.GetITypeSymbol(_underlying.ReceiverNullableAnnotation), null);

Symbols\PublicModel\ParameterSymbol.cs (1)

32Interlocked.CompareExchange(ref _lazyType, _underlying.TypeWithAnnotations.GetPublicSymbol(), null);

Symbols\PublicModel\PointerTypeSymbol.cs (1)

40Interlocked.CompareExchange(ref _lazyPointedAtType, _underlying.PointedAtTypeWithAnnotations.GetPublicSymbol(), null);

Symbols\PublicModel\PropertySymbol.cs (1)

37Interlocked.CompareExchange(ref _lazyType, _underlying.TypeWithAnnotations.GetPublicSymbol(), null);

Symbols\Retargeting\RetargetingMethodSymbol.cs (1)

135Interlocked.CompareExchange(ref _lazyReturnType,

Symbols\Retargeting\RetargetingNamedTypeSymbol.cs (3)

103Interlocked.CompareExchange(ref _lazyExtensionParameter, new StrongBox<ParameterSymbol>(extensionParameter), null); 329Interlocked.CompareExchange(ref _lazyBaseType, acyclicBase, ErrorTypeSymbol.UnknownResultType); 367Interlocked.CompareExchange(ref _lazyDeclaredBaseType, declaredBase, ErrorTypeSymbol.UnknownResultType);

Symbols\Retargeting\RetargetingParameterSymbol.cs (1)

46Interlocked.CompareExchange(ref _lazyTypeWithAnnotations,

Symbols\Retargeting\RetargetingPropertySymbol.cs (1)

74Interlocked.CompareExchange(ref _lazyType, new TypeWithAnnotations.Boxed(type), null);

Symbols\Source\GlobalExpressionVariable.cs (1)

139if (Interlocked.CompareExchange(ref _lazyType, new TypeWithAnnotations.Boxed(type), null) == null)

Symbols\Source\IndexedTypeParameterSymbol.cs (1)

71Interlocked.CompareExchange(ref s_parameterPool, newPool, initialPool);

Symbols\Source\LocalFunctionOrSourceMemberMethodSymbol.cs (1)

36Interlocked.CompareExchange(ref _lazyIteratorElementType, new TypeWithAnnotations.Boxed(elementType), TypeWithAnnotations.Boxed.Sentinel);

Symbols\Source\LocalFunctionSymbol.cs (1)

307Interlocked.CompareExchange(ref _lazyReturnType, new TypeWithAnnotations.Boxed(returnType), null);

Symbols\Source\QuickAttributeChecker.cs (1)

39Interlocked.CompareExchange(ref _lazyPredefinedQuickAttributeChecker, CreatePredefinedQuickAttributeChecker(), null);

Symbols\Source\SourceAssemblySymbol.cs (3)

199Interlocked.CompareExchange(ref lazyAssemblyIdentity, ComputeIdentity(), null); 2164Interlocked.CompareExchange(ref _optimisticallyGrantedInternalsAccess, new ConcurrentDictionary<AssemblySymbol, bool>(), null); 2306Interlocked.CompareExchange(ref lazyInternalsVisibleToMap,

Symbols\Source\SourceEventSymbol.cs (2)

219bagCreatedOnThisThread = Interlocked.CompareExchange(ref _lazyCustomAttributesBag, bag, null) == null; 717Interlocked.CompareExchange(ref _lazyOverriddenOrHiddenMembers, this.MakeOverriddenOrHiddenMembers(), null);

Symbols\Source\SourceLocalSymbol.cs (2)

402Interlocked.CompareExchange(ref _type, new TypeWithAnnotations.Boxed(newType), null); 589Interlocked.CompareExchange(ref _constantTuple, new EvaluatedConstant(value, diagnostics.ToReadOnlyAndFree()), null);

Symbols\Source\SourceMemberContainerSymbol.cs (5)

1313if (Interlocked.CompareExchange(ref _lazyTypeMembers, MakeTypeMembers(diagnostics), null) == null) 1608Interlocked.CompareExchange(ref _lazyEarlyAttributeDecodingMembersDictionary, membersByName, null); 1669var alreadyKnown = Interlocked.CompareExchange(ref _lazyMembersAndInitializers, membersAndInitializers, null); 1782if (Interlocked.CompareExchange(ref _lazyMembersDictionary, membersDictionary, null) == null) 3537var alreadyKnown = Interlocked.CompareExchange(ref _lazyDeclaredMembersAndInitializers, declaredMembersAndInitializers, DeclaredMembersAndInitializers.UninitializedSentinel);

Symbols\Source\SourceMemberContainerSymbol_ImplementationChecks.cs (1)

52if (Interlocked.CompareExchange(

Symbols\Source\SourceMemberFieldSymbol.cs (1)

600if (Interlocked.CompareExchange(ref _lazyTypeAndRefKind, new TypeAndRefKind(refKind, type.WithModifiers(this.RequiredCustomModifiers)), null) == null)

Symbols\Source\SourceMemberMethodSymbol.cs (2)

850Interlocked.CompareExchange(ref _lazyThisParameter, new ThisParameterSymbol(this), null); 871Interlocked.CompareExchange(ref _lazyOverriddenOrHiddenMembers, this.MakeOverriddenOrHiddenMembers(), null);

Symbols\Source\SourceModuleSymbol.cs (1)

203if (Interlocked.CompareExchange(ref _globalNamespace, globalNS, null) == null)

Symbols\Source\SourceNamedTypeSymbol_Bases.cs (2)

51if (ReferenceEquals(Interlocked.CompareExchange(ref _lazyBaseType, acyclicBase, ErrorTypeSymbol.UnknownResultType), ErrorTypeSymbol.UnknownResultType)) 260if (Interlocked.CompareExchange(ref _lazyDeclaredBases, MakeDeclaredBases(basesBeingResolved, diagnostics), null) == null)

Symbols\Source\SourceNamedTypeSymbol_Enum.cs (2)

31if ((object)Interlocked.CompareExchange(ref _lazyEnumUnderlyingType, this.GetEnumUnderlyingType(diagnostics), ErrorTypeSymbol.UnknownResultType) == 97Interlocked.CompareExchange(ref _lazyEnumValueField, new SynthesizedEnumValueFieldSymbol(this), null);

Symbols\Source\SourceNamedTypeSymbol_Extension.cs (5)

79Interlocked.CompareExchange(ref _lazyExtensionInfo.LazyExtensionParameter, new ReceiverParameterSymbol(this, parameter), null); 101Interlocked.CompareExchange(ref _lazyExtensionInfo, new ExtensionInfo(), null); 112Interlocked.CompareExchange(ref _lazyExtensionInfo.LazyImplementationMap, builder.ToImmutable(), null); 130Interlocked.CompareExchange(ref _lazyExtensionInfo, new ExtensionInfo(), null); 135Interlocked.CompareExchange(ref _lazyExtensionInfo.LazyExtensionMarker, tryCreateExtensionMarker(), ErrorMethodSymbol.UnknownMethod);

Symbols\Source\SourceNamespaceSymbol.AliasesAndUsings.cs (5)

377Interlocked.CompareExchange(ref _lazyMergedGlobalAliasesAndUsings, 456Interlocked.CompareExchange( 610Interlocked.CompareExchange(ref usings, result, null); 902Interlocked.CompareExchange(ref _lazyImports, 1138Interlocked.CompareExchange(ref _lazyImports,

Symbols\Source\SourceNamespaceSymbol.cs (1)

229if (Interlocked.CompareExchange(ref _nameToMembersMap, MakeNameToMembersMap(diagnostics), null) == null)

Symbols\Source\SourcePropertySymbolBase.cs (5)

785Interlocked.CompareExchange(ref _lazyMergedBackingField, new StrongBox<SynthesizedBackingFieldSymbol?>(backingField), null); 798Interlocked.CompareExchange(ref _lazyDeclaredBackingField, CreateBackingField(), null); 806Interlocked.CompareExchange(ref _lazyMergedBackingField, new StrongBox<SynthesizedBackingFieldSymbol?>(backingField), null); 1217Interlocked.CompareExchange(ref _lazyOverriddenOrHiddenMembers, this.MakeOverriddenOrHiddenMembers(), null); 1243Interlocked.CompareExchange(ref _lazySynthesizedSealedAccessor, MakeSynthesizedSealedAccessor(), null);

Symbols\Source\SourceTypeParameterSymbol.cs (3)

232if (ReferenceEquals(Interlocked.CompareExchange(ref _lazyBounds, bounds, TypeParameterBounds.Unset), TypeParameterBounds.Unset)) 832Interlocked.CompareExchange(ref _lazyTypeMap, typeMap, null); 846Interlocked.CompareExchange(ref _lazyOverriddenMethod, this.GetOverriddenMethod(_overridingMethod), ErrorMethodSymbol.UnknownMethod);

Symbols\SubstitutedEventSymbol.cs (2)

31Interlocked.CompareExchange(ref _lazyType, new TypeWithAnnotations.Boxed(type), null); 122Interlocked.CompareExchange(ref _lazyOverriddenOrHiddenMembers, this.MakeOverriddenOrHiddenMembers(), null);

Symbols\SubstitutedFieldSymbol.cs (1)

32Interlocked.CompareExchange(ref _lazyType, new TypeWithAnnotations.Boxed(type), null);

Symbols\SubstitutedMethodSymbol.cs (3)

114var prevMap = Interlocked.CompareExchange(ref _lazyMap, newMap, null); 235Interlocked.CompareExchange(ref _lazyReturnType, new TypeWithAnnotations.Boxed(returnType), null); 296Interlocked.CompareExchange(ref _lazyOverriddenOrHiddenMembers, this.MakeOverriddenOrHiddenMembers(), null);

Symbols\SubstitutedNamedTypeSymbol.cs (3)

114var prevMap = Interlocked.CompareExchange(ref _lazyMap, newMap, null); 171Interlocked.CompareExchange(ref _lazyBaseType, baseType, ErrorTypeSymbol.UnknownResultType); 502Interlocked.CompareExchange(ref _lazyExtensionParameter, new StrongBox<ParameterSymbol?>(substituteParameter()), null);

Symbols\SubstitutedPropertySymbol.cs (2)

32Interlocked.CompareExchange(ref _lazyType, new TypeWithAnnotations.Boxed(type), null); 140Interlocked.CompareExchange(ref _lazyOverriddenOrHiddenMembers, this.MakeOverriddenOrHiddenMembers(), null);

Symbols\Symbol.cs (1)

1830Interlocked.CompareExchange(ref _lazyISymbol, CreateISymbol(), null);

Symbols\Synthesized\Records\SynthesizedPrimaryConstructor.cs (1)

137Interlocked.CompareExchange(ref _capturedParameters, Binder.CapturedParametersFinder.GetCapturedParameters(this), null);

Symbols\Synthesized\SynthesizedMethodSymbol.cs (1)

57Interlocked.CompareExchange(ref _lazyThisParameter, new ThisParameterSymbol(this), null);

Symbols\Synthesized\SynthesizedSimpleProgramEntryPointSymbol.cs (1)

247if (Interlocked.CompareExchange(ref weakBinder, new WeakReference<ExecutableCodeBinder>(newBinder), previousWeakReference) == previousWeakReference)

Symbols\Tuples\TupleTypeSymbol.cs (1)

542Interlocked.CompareExchange(ref _lazyTupleData, new TupleExtraData(this), null);

Symbols\TypeSymbol.cs (4)

74return Interlocked.CompareExchange(ref _implementationForInterfaceMemberMap, map, null) ?? map; 116return Interlocked.CompareExchange(ref _lazyInterfaceInfo, info, null) ?? info; 2337Interlocked.CompareExchange(ref info.synthesizedMethodImplMap, makeSynthesizedMethodImplMap(), null); 2402Interlocked.CompareExchange(ref _lazyAbstractMembers, ComputeAbstractMembers(), null);

Syntax\CSharpSyntaxNode.cs (1)

75Interlocked.CompareExchange(ref node._syntaxTree, CSharpSyntaxTree.CreateWithoutClone(node, CSharpParseOptions.Default), null);

Syntax\CSharpSyntaxTree.cs (2)

632Interlocked.CompareExchange(ref _lazyLineDirectiveMap, new CSharpLineDirectiveMap(this), null); 708Interlocked.CompareExchange(ref _lazyPragmaWarningStateMap, new CSharpPragmaWarningStateMap(this), null);

Syntax\CSharpSyntaxTree.LazySyntaxTree.cs (1)

73Interlocked.CompareExchange(ref _lazyRoot, root, null);

Syntax\CSharpSyntaxTree.ParsedSyntaxTree.cs (1)

66Interlocked.CompareExchange(ref _lazyText, this.GetRoot(cancellationToken).GetText(_encodingOpt, _checksumAlgorithm), null);

Syntax\SyntaxTokenParser.cs (1)

36var lexer = Interlocked.CompareExchange(ref _lexer!, null, _lexer);

src\Analyzers\CSharp\Analyzers\RemoveUnnecessaryNullableDirective\NullableImpactingSpanWalker.cs (1)

39Interlocked.CompareExchange(ref _spans, ImmutableArray.CreateBuilder<TextSpan>(), null);

Diagnostics\Analyzers\TypeSyntaxSimplifierWalker.cs (1)

67Interlocked.CompareExchange(ref _diagnostics, ImmutableArray.CreateBuilder<Diagnostic>(), null);

src\Analyzers\CSharp\Analyzers\RemoveUnnecessaryNullableDirective\NullableImpactingSpanWalker.cs (1)

39Interlocked.CompareExchange(ref _spans, ImmutableArray.CreateBuilder<TextSpan>(), null);

Workspace\LanguageServices\CSharpSyntaxTreeFactoryService.ParsedSyntaxTree.cs (1)

49Interlocked.CompareExchange(ref _lazyText, GetRoot(cancellationToken).GetText(Encoding, _checksumAlgorithm), null);

src\Dependencies\PooledObjects\ObjectPool`1.cs (2)

152if (inst == null || inst != Interlocked.CompareExchange(ref _firstItem, null, inst)) 181if (inst == Interlocked.CompareExchange(ref items[i].Value, null, inst))

EditAndContinue\ActiveStatementTrackingService.cs (1)

72if (Interlocked.CompareExchange(ref _session, newSession, null) != null)

Tagging\AbstractAsynchronousTaggerProvider.TagSource_ProduceTags.cs (1)

257if (oldTagTrees != Interlocked.CompareExchange(ref _cachedTagTrees_mayChangeFromAnyThread, newTagTrees, oldTagTrees))

src\Dependencies\PooledObjects\ObjectPool`1.cs (2)

152if (inst == null || inst != Interlocked.CompareExchange(ref _firstItem, null, inst)) 181if (inst == Interlocked.CompareExchange(ref items[i].Value, null, inst))

Debugger\Engine\DkmClrType.cs (1)

131Interlocked.CompareExchange(ref _lazyGenericArguments, genericArgs, null);

src\Dependencies\PooledObjects\ObjectPool`1.cs (2)

152if (inst == null || inst != Interlocked.CompareExchange(ref _firstItem, null, inst)) 181if (inst == Interlocked.CompareExchange(ref items[i].Value, null, inst))

src\Dependencies\Collections\Segmented\ImmutableSegmentedDictionary`2+PrivateMarshal.cs (1)

40var dictionary = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._dictionary), value._dictionary, comparand._dictionary);

src\Dependencies\Collections\Segmented\ImmutableSegmentedHashSet`1+PrivateMarshal.cs (1)

40var set = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._set), value._set, comparand._set);

src\Dependencies\Collections\Segmented\ImmutableSegmentedList`1+PrivateMarshal.cs (1)

40var list = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._list), value._list, comparand._list);

src\Dependencies\PooledObjects\ObjectPool`1.cs (2)

152if (inst == null || inst != Interlocked.CompareExchange(ref _firstItem, null, inst)) 181if (inst == Interlocked.CompareExchange(ref items[i].Value, null, inst))

CodeFixes\Service\CodeFixService.cs (2)

372Interlocked.CompareExchange(ref _lazyWorkspaceFixersMap, workspaceFixersMap, null); 398Interlocked.CompareExchange(ref _lazyFixerPriorityMap, fixersPriorityByLanguageMap, null);

Completion\CompletionDescription.cs (1)

68Interlocked.CompareExchange(ref _text, string.Concat(TaggedParts.Select(p => p.Text)), null);

QuickInfo\QuickInfoSection.cs (1)

57Interlocked.CompareExchange(ref _text, string.Concat(TaggedParts.Select(t => t.Text)), null);

Interactive\Core\InteractiveHost.cs (1)

239var previousService = Interlocked.CompareExchange(ref _lazyRemoteService, newService, currentRemoteService);

src\Dependencies\Collections\Segmented\ImmutableSegmentedDictionary`2+PrivateMarshal.cs (1)

40var dictionary = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._dictionary), value._dictionary, comparand._dictionary);

src\Dependencies\Collections\Segmented\ImmutableSegmentedHashSet`1+PrivateMarshal.cs (1)

40var set = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._set), value._set, comparand._set);

src\Dependencies\Collections\Segmented\ImmutableSegmentedList`1+PrivateMarshal.cs (1)

40var list = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._list), value._list, comparand._list);

src\Dependencies\PooledObjects\ObjectPool`1.cs (2)

152if (inst == null || inst != Interlocked.CompareExchange(ref _firstItem, null, inst)) 181if (inst == Interlocked.CompareExchange(ref items[i].Value, null, inst))

src\Dependencies\Threading\CancellationSeries.cs (1)

83var candidate = Interlocked.CompareExchange(ref _cts, nextSource, priorSource);

src\Compilers\Core\Portable\InternalUtilities\InterlockedOperations.cs (5)

17=> Interlocked.CompareExchange(ref target, value, null) ?? value; 117/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 135/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 141T oldValue = Interlocked.CompareExchange(ref target, initializedValue, uninitializedValue); 152/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/>

src\Dependencies\Collections\Segmented\ImmutableSegmentedDictionary`2+PrivateMarshal.cs (1)

40var dictionary = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._dictionary), value._dictionary, comparand._dictionary);

src\Dependencies\Collections\Segmented\ImmutableSegmentedHashSet`1+PrivateMarshal.cs (1)

40var set = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._set), value._set, comparand._set);

src\Dependencies\Collections\Segmented\ImmutableSegmentedList`1+PrivateMarshal.cs (1)

40var list = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._list), value._list, comparand._list);

src\Dependencies\PooledObjects\ObjectPool`1.cs (2)

152if (inst == null || inst != Interlocked.CompareExchange(ref _firstItem, null, inst)) 181if (inst == Interlocked.CompareExchange(ref items[i].Value, null, inst))

src\Dependencies\Threading\CancellationSeries.cs (1)

83var candidate = Interlocked.CompareExchange(ref _cts, nextSource, priorSource);

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\SemanticModelReuse\SemanticModelWorkspaceServiceFactory.SemanticModelWorkspaceService.cs (1)

134Interlocked.CompareExchange(ref _semanticModelMap, updatedMap, originalMap);

ObjectPool`1.cs (2)

152if (inst == null || inst != Interlocked.CompareExchange(ref _firstItem, null, inst)) 181if (inst == Interlocked.CompareExchange(ref items[i].Value, null, inst))

src\Compilers\Core\Portable\InternalUtilities\InterlockedOperations.cs (5)

17=> Interlocked.CompareExchange(ref target, value, null) ?? value; 117/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 135/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 141T oldValue = Interlocked.CompareExchange(ref target, initializedValue, uninitializedValue); 152/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/>

src\Dependencies\Collections\Segmented\ImmutableSegmentedDictionary`2+PrivateMarshal.cs (1)

40var dictionary = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._dictionary), value._dictionary, comparand._dictionary);

src\Dependencies\Collections\Segmented\ImmutableSegmentedHashSet`1+PrivateMarshal.cs (1)

40var set = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._set), value._set, comparand._set);

src\Dependencies\Collections\Segmented\ImmutableSegmentedList`1+PrivateMarshal.cs (1)

40var list = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._list), value._list, comparand._list);

src\Dependencies\PooledObjects\ObjectPool`1.cs (2)

152if (inst == null || inst != Interlocked.CompareExchange(ref _firstItem, null, inst)) 181if (inst == Interlocked.CompareExchange(ref items[i].Value, null, inst))

src\Dependencies\Threading\CancellationSeries.cs (1)

83var candidate = Interlocked.CompareExchange(ref _cts, nextSource, priorSource);

Host\RemoteServiceBrokerProvider.cs (1)

27Interlocked.CompareExchange(ref s_instance, serviceBroker, null);

src\Compilers\Core\Portable\InternalUtilities\InterlockedOperations.cs (5)

17=> Interlocked.CompareExchange(ref target, value, null) ?? value; 117/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 135/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 141T oldValue = Interlocked.CompareExchange(ref target, initializedValue, uninitializedValue); 152/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/>

src\Dependencies\Collections\Segmented\ImmutableSegmentedDictionary`2+PrivateMarshal.cs (1)

40var dictionary = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._dictionary), value._dictionary, comparand._dictionary);

src\Dependencies\Collections\Segmented\ImmutableSegmentedHashSet`1+PrivateMarshal.cs (1)

40var set = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._set), value._set, comparand._set);

src\Dependencies\Collections\Segmented\ImmutableSegmentedList`1+PrivateMarshal.cs (1)

40var list = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._list), value._list, comparand._list);

src\Dependencies\PooledObjects\ObjectPool`1.cs (2)

152if (inst == null || inst != Interlocked.CompareExchange(ref _firstItem, null, inst)) 181if (inst == Interlocked.CompareExchange(ref items[i].Value, null, inst))

src\Dependencies\Threading\CancellationSeries.cs (1)

83var candidate = Interlocked.CompareExchange(ref _cts, nextSource, priorSource);

Script.cs (2)

149Interlocked.CompareExchange(ref _lazyCompilation, compilation, null); 391Interlocked.CompareExchange(ref _lazyExecutor, Builder.CreateExecutor<T>(Compiler, GetCompilation(), Options.EmitDebugInformation, cancellationToken), null);

Metadata\ILValidation.cs (4)

200Interlocked.CompareExchange( 216Interlocked.CompareExchange( 231Interlocked.CompareExchange( 251Interlocked.CompareExchange(

CancellationSeries.cs (1)

83var candidate = Interlocked.CompareExchange(ref _cts, nextSource, priorSource);

src\Dependencies\Collections\Segmented\ImmutableSegmentedDictionary`2+PrivateMarshal.cs (1)

40var dictionary = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._dictionary), value._dictionary, comparand._dictionary);

src\Dependencies\Collections\Segmented\ImmutableSegmentedHashSet`1+PrivateMarshal.cs (1)

40var set = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._set), value._set, comparand._set);

src\Dependencies\Collections\Segmented\ImmutableSegmentedList`1+PrivateMarshal.cs (1)

40var list = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._list), value._list, comparand._list);

src\Dependencies\PooledObjects\ObjectPool`1.cs (2)

152if (inst == null || inst != Interlocked.CompareExchange(ref _firstItem, null, inst)) 181if (inst == Interlocked.CompareExchange(ref items[i].Value, null, inst))

Binding\BlockBaseBinder.vb (1)

39Interlocked.CompareExchange(Me._lazyLocalsMap, BuildMap(Me.Locals), Nothing)

Binding\DescendantBinderFactory.vb (2)

87Interlocked.CompareExchange(_lazyNodeToBinderMap, builder.NodeToBinderMap, Nothing) 88Interlocked.CompareExchange(_lazyStmtListToBinderMap, builder.StmtListToBinderMap, Nothing)

Declarations\DeclarationTable.vb (1)

153Interlocked.CompareExchange(_mergedRoot, CalculateMergedRoot(compilation), Nothing)

Declarations\MergedTypeDeclaration.vb (1)

165Interlocked.CompareExchange(Me._children, MakeChildren(), Nothing)

DocumentationComments\SourceDocumentationCommentUtils.vb (1)

20Interlocked.CompareExchange(lazyXmlText, xmlText, Nothing)

Symbols\AnonymousTypes\SynthesizedSymbols\AnonymousTypeOrDelegateTemplateSymbol.vb (2)

305Dim oldValue = Interlocked.CompareExchange(Me._nameAndIndex, value, Nothing) 363If Interlocked.CompareExchange(Me._adjustedPropertyNames, newAdjustedNames, currentAdjustedNames) Is currentAdjustedNames Then

Symbols\Attributes\PEAttributeData.vb (5)

134Interlocked.CompareExchange(Of KeyValuePair(Of String, TypedConstant)())( 139Interlocked.CompareExchange(Of TypedConstant())( 155Interlocked.CompareExchange(Of NamedTypeSymbol)( 170Interlocked.CompareExchange(Of MethodSymbol)( 175Interlocked.CompareExchange(Of NamedTypeSymbol)(

Symbols\EmbeddedSymbols\EmbeddedSymbolManager.vb (3)

57Interlocked.CompareExchange(s_embeddedSyntax, ParseResourceText(EmbeddedResources.Embedded), Nothing) 72Interlocked.CompareExchange(s_vbCoreSyntax, ParseResourceText(EmbeddedResources.VbCoreSourceText), Nothing) 84Interlocked.CompareExchange(s_internalXmlHelperSyntax, ParseResourceText(EmbeddedResources.InternalXmlHelper), Nothing)

Symbols\IndexedTypeParameterSymbol.vb (1)

57Interlocked.CompareExchange(s_parameterPool, newPool, initialPool)

Symbols\Metadata\PE\PEFieldSymbol.vb (1)

381Interlocked.CompareExchange(_lazyType, type, Nothing)

Symbols\Metadata\PE\PENamedTypeSymbol.vb (2)

1075Interlocked.CompareExchange(_lazyCoClassType, 1103Interlocked.CompareExchange(_lazyDefaultPropertyName, If(memberName, String.Empty), Nothing)

Symbols\Metadata\PE\PENamespaceSymbol.vb (3)

222Interlocked.CompareExchange(m_lazyMembers, members, Nothing) 273Interlocked.CompareExchange(_lazyNoPiaLocalTypes, noPiaLocalTypes, Nothing) 276If Interlocked.CompareExchange(m_lazyTypes, typesDict, Nothing) Is Nothing Then

Symbols\Metadata\PE\PEPropertySymbol.vb (1)

233Interlocked.CompareExchange(_lazyOverloadResolutionPriority, New StrongBox(Of Integer)(priority), Nothing)

Symbols\MetadataOrSourceAssemblySymbol.vb (1)

172Interlocked.CompareExchange(_assembliesToWhichInternalAccessHasBeenAnalyzed, New ConcurrentDictionary(Of AssemblySymbol, IVTConclusion), Nothing)

Symbols\MissingMetadataTypeSymbol.vb (1)

174Interlocked.CompareExchange(_lazyContainingNamespace, container, Nothing)

Symbols\NamedTypeSymbol.vb (1)

770Interlocked.CompareExchange(variable, value, comparand)

Symbols\NonMissingAssemblySymbol.vb (1)

57Interlocked.CompareExchange(_lazyGlobalNamespace, MergedNamespaceSymbol.CreateGlobalNamespace(Me), Nothing)

Symbols\ReducedExtensionMethodSymbol.vb (2)

398Interlocked.CompareExchange(_lazyReturnType, type, Nothing) 867Interlocked.CompareExchange(_lazyType, paramType, Nothing)

Symbols\Retargeting\RetargetingNamedTypeSymbol.vb (1)

170Interlocked.CompareExchange(_lazyCoClass, coClass, DirectCast(ErrorTypeSymbol.UnknownResultType, TypeSymbol))

Symbols\Source\LocalSymbol.vb (2)

126Interlocked.CompareExchange(_lazyType, ComputeType(), Nothing) 154Interlocked.CompareExchange(_lazyType, type, Nothing)

Symbols\Source\SourceAssemblySymbol.vb (2)

142Interlocked.CompareExchange(m_lazyIdentity, ComputeIdentity(), Nothing) 1651Interlocked.CompareExchange(_optimisticallyGrantedInternalsAccess, New ConcurrentDictionary(Of AssemblySymbol, Boolean), Nothing)

Symbols\Source\SourceDeclareMethodSymbol.vb (1)

68Dim old = Interlocked.CompareExchange(_lazyMetadataName, metadataName, Nothing)

Symbols\Source\SourceFile.vb (1)

100Interlocked.CompareExchange(_lazyQuickAttributeChecker, CreateQuickAttributeChecker(), Nothing)

Symbols\Source\SourceMemberFieldSymbol.vb (1)

68Interlocked.CompareExchange(Of ParameterSymbol)(_lazyMeParameter, New MeParameterSymbol(Me), Nothing)

Symbols\Source\SourceMemberMethodSymbol.vb (1)

125Dim old = Interlocked.CompareExchange(_lazyMetadataName, metadataName, Nothing)

Symbols\Source\SourceMethodSymbol.vb (2)

2182Interlocked.CompareExchange(_lazyOverriddenMethods, overriddenMembers, Nothing) 2184Interlocked.CompareExchange(_lazyReturnType, retType, Nothing)

Symbols\Source\SourceModuleSymbol.vb (5)

187Interlocked.CompareExchange(_lazyGlobalNamespace, globalNS, Nothing) 262Interlocked.CompareExchange(_lazyQuickAttributeChecker, CreateQuickAttributeChecker(), Nothing) 353If Interlocked.CompareExchange(_lazyBoundImports, BindImports(cancellationToken), Nothing) Is Nothing Then 828Return Interlocked.CompareExchange(variable, value, comparand) Is comparand AndAlso comparand Is Nothing 834stored = Interlocked.CompareExchange(variable, value, comparand) Is comparand

Symbols\Source\SourceNamedTypeSymbol.vb (5)

1807If Interlocked.CompareExchange(Me._lazyEnumUnderlyingType, underlyingType, Nothing) Is Nothing Then 1986Interlocked.CompareExchange(_lazyCoClassType, Nothing, DirectCast(ErrorTypeSymbol.UnknownResultType, TypeSymbol)) 1992Interlocked.CompareExchange(_lazyCoClassType, Nothing, 2277Interlocked.CompareExchange(Me._lazyCoClassType, 2647Interlocked.CompareExchange(Me._lazyWithEventsOverrides,

Symbols\Source\SourcePropertyAccessorSymbol.vb (2)

158Interlocked.CompareExchange(_lazyMetadataName, overriddenMethod.MetadataName, Nothing) 160Interlocked.CompareExchange(_lazyMetadataName, _name, Nothing)

Symbols\Source\SourcePropertySymbol.vb (4)

425Dim old = Interlocked.CompareExchange(_lazyMetadataName, metadataName, Nothing) 842Interlocked.CompareExchange(_lazyOverriddenProperties, overriddenMembers, Nothing) 844Interlocked.CompareExchange(_lazyType, retType, Nothing) 904Interlocked.CompareExchange(Of ParameterSymbol)(_lazyMeParameter, New MeParameterSymbol(Me), Nothing)

Symbols\SpecialMembers.vb (1)

63Interlocked.CompareExchange(_lazySpecialTypeMembers, specialTypeMembers, Nothing)

Symbols\SubstitutedEventSymbol.vb (2)

69Interlocked.CompareExchange(Me._lazyType, 216Interlocked.CompareExchange(Me._lazyOverriddenOrHiddenMembers,

Symbols\SynthesizedSymbols\SynthesizedAccessor.vb (1)

34Interlocked.CompareExchange(_lazyMetadataName, GenerateMetadataName(), Nothing)

Symbols\TypeSymbol.vb (1)

677Return If(Interlocked.CompareExchange(_lazyImplementationForInterfaceMemberMap, map, Nothing), map)

Symbols\UnboundGenericType.vb (3)

409Interlocked.CompareExchange(_lazyContainingSymbol, result, Nothing) 431Interlocked.CompareExchange(_lazyConstructedFrom, result, Nothing) 491Interlocked.CompareExchange(_lazyTypeSubstitution, result, Nothing)

Symbols\WellKnownMembers.vb (1)

322Interlocked.CompareExchange(_lazyWellKnownTypeMembers, wellKnownTypeMembers, Nothing)

Syntax\VisualBasicSyntaxTree.LazySyntaxTree.vb (1)

78Interlocked.CompareExchange(_lazyRoot, root, Nothing)

Syntax\VisualBasicSyntaxTree.ParsedSyntaxTree.vb (1)

78Interlocked.CompareExchange(_lazyText, treeText, Nothing)

Syntax\VisualBasicSyntaxTree.vb (1)

579Interlocked.CompareExchange(_lazySymbolsMap, ConditionalSymbolsMap.Create(Me.GetRoot(CancellationToken.None), Options), ConditionalSymbolsMap.Uninitialized)

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\VisualBasic\Formatting\Engine\Trivia\TriviaDataFactory.vb (1)

121Interlocked.CompareExchange(Me._lineContinuations(indentation), triviaInfo, Nothing)

Diagnostics\Analyzers\TypeSyntaxSimplifierWalker.vb (1)

63Interlocked.CompareExchange(_diagnostics, ImmutableArray.CreateBuilder(Of Diagnostic)(), Nothing)

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\VisualBasic\Formatting\Engine\Trivia\TriviaDataFactory.vb (1)

121Interlocked.CompareExchange(Me._lineContinuations(indentation), triviaInfo, Nothing)

Workspace\LanguageServices\VisualBasicSyntaxTreeFactoryService.ParsedSyntaxTree.vb (1)

44Interlocked.CompareExchange(_lazyText, GetRoot(cancellationToken).GetText(Encoding, _checksumAlgorithm), Nothing)

FindSymbols\FindReferences\FindReferenceCache.cs (1)

101Interlocked.CompareExchange(ref _aliasNameSet, set, null);

src\Compilers\Core\Portable\InternalUtilities\InterlockedOperations.cs (5)

17=> Interlocked.CompareExchange(ref target, value, null) ?? value; 117/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 135/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 141T oldValue = Interlocked.CompareExchange(ref target, initializedValue, uninitializedValue); 152/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/>

src\Dependencies\Collections\Segmented\ImmutableSegmentedDictionary`2+PrivateMarshal.cs (1)

40var dictionary = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._dictionary), value._dictionary, comparand._dictionary);

src\Dependencies\Collections\Segmented\ImmutableSegmentedHashSet`1+PrivateMarshal.cs (1)

40var set = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._set), value._set, comparand._set);

src\Dependencies\Collections\Segmented\ImmutableSegmentedList`1+PrivateMarshal.cs (1)

40var list = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._list), value._list, comparand._list);

src\Dependencies\PooledObjects\ObjectPool`1.cs (2)

152if (inst == null || inst != Interlocked.CompareExchange(ref _firstItem, null, inst)) 181if (inst == Interlocked.CompareExchange(ref items[i].Value, null, inst))

src\Dependencies\Threading\CancellationSeries.cs (1)

83var candidate = Interlocked.CompareExchange(ref _cts, nextSource, priorSource);

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\SemanticModelReuse\SemanticModelWorkspaceServiceFactory.SemanticModelWorkspaceService.cs (1)

134Interlocked.CompareExchange(ref _semanticModelMap, updatedMap, originalMap);

Workspace\Host\Mef\MefHostServices.cs (1)

84Interlocked.CompareExchange(ref s_defaultHost, host, null);

Workspace\Host\TemporaryStorage\LegacyTemporaryStorageService.cs (3)

62var existingValue = Interlocked.CompareExchange(ref _stream, newStream, null); 77var existingValue = Interlocked.CompareExchange(ref _stream, newStream, null); 103var existingValue = Interlocked.CompareExchange(ref _sourceText, text, null);

Workspace\Solution\Document.cs (4)

96Interlocked.CompareExchange(ref _syntaxTreeResultTask, result, null); 188Interlocked.CompareExchange(ref _syntaxTreeResultTask, Task.FromResult(tree), null); 357var original = Interlocked.CompareExchange(ref disableNullableAnalysis ? ref _nullableDisabledModel : ref _model, new WeakReference<SemanticModel>(result), null); 609Interlocked.CompareExchange(ref _cachedOptions, newAsyncLazy, comparand: null);

Workspace\Solution\Project.cs (1)

264Interlocked.CompareExchange(ref idMap, new Dictionary<DocumentId, TDocument>(), null);

Workspace\Solution\ProjectState.cs (2)

161Interlocked.CompareExchange( 177Interlocked.CompareExchange(

Workspace\Solution\SolutionCompilationState.RegularCompilationTracker.cs (2)

1027Interlocked.CompareExchange( 1066Interlocked.CompareExchange(

Workspace\Solution\SolutionCompilationState.WithFrozenSourceGeneratedDocumentsCompilationTracker.cs (1)

148Interlocked.CompareExchange(ref _compilationWithReplacements, newCompilation, null);

Workspace\Solution\VersionSource\RecoverableTextAndVersion.cs (1)

198Interlocked.CompareExchange(ref _storageHandle, handle, null);

src\Compilers\Core\Portable\InternalUtilities\InterlockedOperations.cs (5)

17=> Interlocked.CompareExchange(ref target, value, null) ?? value; 117/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 135/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 141T oldValue = Interlocked.CompareExchange(ref target, initializedValue, uninitializedValue); 152/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/>

src\Dependencies\Collections\Segmented\ImmutableSegmentedDictionary`2+PrivateMarshal.cs (1)

40var dictionary = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._dictionary), value._dictionary, comparand._dictionary);

src\Dependencies\Collections\Segmented\ImmutableSegmentedHashSet`1+PrivateMarshal.cs (1)

40var set = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._set), value._set, comparand._set);

src\Dependencies\Collections\Segmented\ImmutableSegmentedList`1+PrivateMarshal.cs (1)

40var list = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._list), value._list, comparand._list);

src\Dependencies\PooledObjects\ObjectPool`1.cs (2)

152if (inst == null || inst != Interlocked.CompareExchange(ref _firstItem, null, inst)) 181if (inst == Interlocked.CompareExchange(ref items[i].Value, null, inst))

MEF\ExportProviderCache.cs (3)

142var expectedCatalog = Interlocked.CompareExchange(ref _scope.ExpectedCatalog, _catalog, null) ?? _catalog; 178expected = Interlocked.CompareExchange(ref _scope.ExpectedProviderForCatalog, expected, null) ?? expected; 179Interlocked.CompareExchange(ref _scope.CurrentExportProvider, expected, null);

MEF\UseExportProviderAttribute.cs (1)

195Interlocked.CompareExchange(

Internal\RecyclableArrayBufferWriter.cs (1)

70if (Interlocked.CompareExchange(ref _spare, this, null) != null)

CacheEntry.cs (1)

320return Interlocked.CompareExchange(ref _tokens, result, null) ?? result;

RedisCache.cs (1)

676var tmp = Interlocked.CompareExchange(ref _cache, null, cache);

Metrics\MetricCollector.cs (1)

278if (Interlocked.CompareExchange(ref _instrument, instrument, null) is null)

DefaultObjectPool.cs (2)

51if (item == null || Interlocked.CompareExchange(ref _fastItem, null, item) != item) 84if (_fastItem != null || Interlocked.CompareExchange(ref _fastItem, obj, null) != null)

ChangeToken.cs (1)

125IDisposable? previous = Interlocked.CompareExchange(ref _disposable, disposable, current);

Http\HttpServiceEndpointResolver.cs (1)

234Interlocked.CompareExchange(ref _onDisposed, new(TaskCreationOptions.RunContinuationsAsynchronously), null);

ServiceEndpointResolver.cs (1)

226Interlocked.CompareExchange(ref _onDisposed, new(TaskCreationOptions.RunContinuationsAsynchronously), null);

src\Shared\RoslynUtils\WellKnownTypes.cs (1)

82Interlocked.CompareExchange(ref _lazyWellKnownTypes[index], result, null);

ImageSource.cs (1)

58 TaskCompletionSource<bool> original = Interlocked.CompareExchange(ref _completionSource, new TaskCompletionSource<bool>(), null);

Helpers\TestUtils.cs (1)

22Interlocked.CompareExchange(ref source, loadedSource, null);

Data\AnnotationUtils.cs (1)

170Interlocked.CompareExchange(ref _scoreColumnSetIdType, new KeyDataViewType(typeof(uint), int.MaxValue), null) ??

Utilities\CharUtils.cs (2)

22Interlocked.CompareExchange(ref _lowerInvariantChars, lower, null); 31Interlocked.CompareExchange(ref _upperInvariantChars, upper, null);

Utilities\PathUtils.cs (1)

30Interlocked.CompareExchange(ref _dllDir, directory, null);

Utilities\ResourceManagerUtils.cs (1)

31Interlocked.CompareExchange(ref _instance, new ResourceManagerUtils(), null) ??

Utilities\Stream.cs (1)

803Interlocked.CompareExchange(ref _utf8NoBom, new UTF8Encoding(false), null);

Data\Combiner.cs (5)

28Interlocked.CompareExchange(ref _instance, new TextCombiner(), null) ?? 54Interlocked.CompareExchange(ref _instance, new FloatAdder(), null) ?? 76Interlocked.CompareExchange(ref _instance, new R4Adder(), null); 98Interlocked.CompareExchange(ref _instance, new R8Adder(), null) ?? 121Interlocked.CompareExchange(ref _instance, new U4Adder(), null) ??

Data\Conversion.cs (1)

64Interlocked.CompareExchange(ref _defaultInstance, new Conversions(), null) ??

DataLoadSave\Binary\MemoryStreamPool.cs (1)

65Interlocked.CompareExchange(ref _pools[index], new MemoryStreamPool(), null);

DataLoadSave\Text\TextLoaderParser.cs (1)

40Interlocked.CompareExchange(ref _defaultInstance, new ValueCreatorCache(), null) ??

DataLoadSave\Transpose\TransposeLoader.cs (1)

190var view = Interlocked.CompareExchange(ref _view, loader, null);

DataView\CacheDataView.cs (1)

1298Interlocked.CompareExchange(ref _pipeConstructorTypes,

Evaluators\EvaluatorUtils.cs (1)

51Interlocked.CompareExchange(ref _knownEvaluatorFactories, tmp, null);

Evaluators\RankingEvaluator.cs (1)

983Interlocked.CompareExchange(ref _discountMapFixed, discountMap, null);

Scorers\MulticlassClassificationScorer.cs (1)

273Interlocked.CompareExchange(ref _bindable,

Transforms\LabelConvertTransform.cs (1)

191Interlocked.CompareExchange(ref _slotType, new VectorDataViewType(NumberDataViewType.Single, srcSlotType.Dimensions), null);

Transforms\RowShufflingTransformer.cs (1)

387Interlocked.CompareExchange(ref _pipeConstructorTypes, new Type[] { typeof(int), typeof(Delegate) }, null);

Transforms\ValueToKeyMappingTransformer.cs (2)

189Interlocked.CompareExchange(ref _codecFactoryPool, new MemoryStreamPool(), null); 190Interlocked.CompareExchange(ref _codecFactory, new CodecFactory(Host, _codecFactoryPool), null);

DataViewType.cs (16)

BinFile\BinFinder.cs (1)

30Interlocked.CompareExchange(ref _trivialBinUpperBounds, new double[] { double.PositiveInfinity }, null) ??

Utils\Timer.cs (1)

203Interlocked.CompareExchange(ref _state, new TimerState(), null);

ExpressionLanguageTests\ExpressionLanguageTests.cs (2)

436Interlocked.CompareExchange(ref _instance, new TestFuncs1(), null); 620Interlocked.CompareExchange(ref _instance, new TestFuncs2(), null);

Model\CodeGenTokenizer.cs (1)

270Interlocked.CompareExchange(ref _vocabOriginal, vocab, null);

Model\EnglishRobertaTokenizer.cs (1)

245Interlocked.CompareExchange(ref _vocabOriginal, vocab, null);

Model\SentencePieceBpeModel.cs (1)

57Interlocked.CompareExchange(ref _publicVocab, new ReadOnlyDictionary<string, int>(vocab), null);

Expression\BuiltinFunctions.cs (1)

121Interlocked.CompareExchange(ref _instance, new BuiltinFunctions(), null);

Text\StopWordsRemovingTransformer.cs (1)

156Interlocked.CompareExchange(ref _stopWords, stopWords, null);

Text\TextNormalizing.cs (1)

318Interlocked.CompareExchange(ref _combinedDiacriticsMap, combinedDiacriticsMap, null);

Text\TokenizingByCharacters.cs (2)

316Interlocked.CompareExchange(ref _keyValuesBoundaries, boundaries, null); 317Interlocked.CompareExchange(ref _keyValuesStr, bldr.ToString(), null);

Microsoft\VisualBasic\ApplicationServices\SingleInstanceTests.cs (1)

27Interlocked.CompareExchange(ref _received, null, received);

SemanticSearch\SemanticSearchToolWindowImpl.cs (2)

102Interlocked.CompareExchange(ref _lazyContent, new WpfControlWrapper(element), null); 405Interlocked.CompareExchange(ref _pendingExecutionCancellationSource, value: null, cancellationSource);

InterningBinaryReader.cs (1)

232Interlocked.CompareExchange(ref s_bufferPool, _buffer, null);

EnvironmentUtilities.cs (2)

73Interlocked.CompareExchange(ref s_processPath, currentProcess.MainModule.FileName ?? "", null); 91Interlocked.CompareExchange(ref s_processName, currentProcess.ProcessName, null);

InterningBinaryReader.cs (1)

232Interlocked.CompareExchange(ref s_bufferPool, _buffer, null);

System\Windows\EventHelper.cs (2)

30if (Interlocked.CompareExchange(ref field, newTuple, oldTuple) == oldTuple) 47if (Interlocked.CompareExchange(ref field, newTuple, oldTuple) == oldTuple)

System\Windows\Media\MediaSystem.cs (1)

152if (Interlocked.CompareExchange(ref s_disableDirtyRectangles, disableDirtyRectangles, oldValue) == oldValue)

System\Windows\Media\textformatting\TextFormatterContext.cs (1)

460System.Threading.Interlocked.CompareExchange<Dictionary<char,bool>>(ref _specialCharacters, dict, null);

MS\Internal\Data\CollectionViewProxy.cs (1)

1055Interlocked.CompareExchange(ref _indexer, newIndexer, null);

MS\Internal\PtsHost\FlowDocumentPage.cs (1)

800if (!Interlocked.CompareExchange(ref _disposed, true, false))

MS\Internal\PtsHost\PageBreakRecord.cs (1)

133if (!Interlocked.CompareExchange(ref _disposed, true, false))

MS\Internal\PtsHost\PtsCache.cs (2)

165if (!Interlocked.CompareExchange(ref _disposed, true, false)) 294if (!Interlocked.CompareExchange(ref _disposed, true, false))

MS\Internal\PtsHost\PtsContext.cs (1)

74if (!Interlocked.CompareExchange(ref _disposed, true, false))

MS\Internal\PtsHost\PtsPage.cs (1)

707if (!Interlocked.CompareExchange(ref _disposed, true, false))

MS\Win32\UxThemeWrapper.cs (1)

215ThemeState currentState = System.Threading.Interlocked.CompareExchange(ref _themeState, newState, themeState);

System\Windows\Data\BindingOperations.cs (2)

563Interlocked.CompareExchange<ExceptionLogger>(ref _exceptionLogger, newLogger, null); 587Interlocked.CompareExchange<ExceptionLogger>(ref _exceptionLogger, null, this);

System\Windows\Data\CollectionView.cs (1)

1737Interlocked.CompareExchange(ref _enumerableWrapper, newWrapper, null);

System\Windows\SystemResources.cs (1)

829string currentName = System.Threading.Interlocked.CompareExchange(ref _themedResourceName, themedResourceName, null);

src\Compilers\Core\Portable\InternalUtilities\InterlockedOperations.cs (5)

17=> Interlocked.CompareExchange(ref target, value, null) ?? value; 117/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 135/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 141T oldValue = Interlocked.CompareExchange(ref target, initializedValue, uninitializedValue); 152/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/>

src\Dependencies\Collections\Segmented\ImmutableSegmentedDictionary`2+PrivateMarshal.cs (1)

40var dictionary = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._dictionary), value._dictionary, comparand._dictionary);

src\Dependencies\Collections\Segmented\ImmutableSegmentedHashSet`1+PrivateMarshal.cs (1)

40var set = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._set), value._set, comparand._set);

src\Dependencies\Collections\Segmented\ImmutableSegmentedList`1+PrivateMarshal.cs (1)

40var list = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._list), value._list, comparand._list);

src\Dependencies\PooledObjects\ObjectPool`1.cs (2)

152if (inst == null || inst != Interlocked.CompareExchange(ref _firstItem, null, inst)) 181if (inst == Interlocked.CompareExchange(ref items[i].Value, null, inst))

src\Dependencies\Threading\CancellationSeries.cs (1)

83var candidate = Interlocked.CompareExchange(ref _cts, nextSource, priorSource);

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\SemanticModelReuse\SemanticModelWorkspaceServiceFactory.SemanticModelWorkspaceService.cs (1)

134Interlocked.CompareExchange(ref _semanticModelMap, updatedMap, originalMap);

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\VisualBasic\Formatting\Engine\Trivia\TriviaDataFactory.vb (1)

121Interlocked.CompareExchange(Me._lineContinuations(indentation), triviaInfo, Nothing)

System\Collections\Concurrent\ConcurrentStack.cs (5)

282if (Interlocked.CompareExchange(ref _head, newNode, newNode._next) == newNode._next) 351if (Interlocked.CompareExchange(ref _head, head, tail._next) == tail._next) 378while (Interlocked.CompareExchange( 468if (Interlocked.CompareExchange(ref _head, head._next, head) == head) 611if (Interlocked.CompareExchange(ref _head, next._next, head) == head)

System\Collections\Immutable\ImmutableDictionary_2.Builder.cs (1)

260Threading.Interlocked.CompareExchange<object?>(ref _syncRoot, new object(), null);

System\Collections\Immutable\ImmutableInterlocked.cs (15)

System\Collections\Immutable\ImmutableList_1.Builder.cs (1)

1168System.Threading.Interlocked.CompareExchange<object?>(ref _syncRoot, new object(), null);

System\Collections\Immutable\ImmutableSortedDictionary_2.Builder.cs (1)

271Threading.Interlocked.CompareExchange<object?>(ref _syncRoot, new object(), null);

System\Collections\Immutable\ImmutableSortedSet_1.Builder.cs (1)

514Threading.Interlocked.CompareExchange<object?>(ref _syncRoot, new object(), null);

System\ComponentModel\Composition\Primitives\ComposablePartCatalog.cs (1)

61Interlocked.CompareExchange(ref _queryableParts, p, null);

System\ComponentModel\LicenseManager.cs (2)

89Interlocked.CompareExchange(ref s_providers, new Hashtable(), null); 101Interlocked.CompareExchange(ref s_providerInstances, new Hashtable(), null);

System\Configuration\BaseConfigurationRecord.cs (1)

2825Interlocked.CompareExchange(ref s_appConfigPath, appConfigPath, null);

System\ConsolePal.Unix.cs (1)

92Interlocked.CompareExchange(ref s_stdInReader, reader, null);

System\Data\DataTable.cs (1)

1260view = Interlocked.CompareExchange(ref _defaultView, view, null);

System\Data\Odbc\OdbcConnectionHelper.cs (2)

143Interlocked.CompareExchange(ref _innerConnection, DbConnectionClosedPreviouslyOpened.SingletonInstance, innerConnection); 251bool result = (from == Interlocked.CompareExchange<DbConnectionInternal>(ref _innerConnection, to, from));

System\Diagnostics\Activity.cs (13)

System\Diagnostics\ActivitySource.cs (1)

369Interlocked.CompareExchange(ref _listeners, new SynchronizedList<ActivityListener>(), null);

System\Diagnostics\DiagnosticListener.cs (3)

44Interlocked.CompareExchange(ref s_allListenerObservable, new AllListenerObservable(), null) ?? 295if (Interlocked.CompareExchange(ref Owner._subscriptions, newSubscriptions, subscriptions) == subscriptions) 449while (Interlocked.CompareExchange(ref _subscriptions, newSubscription, newSubscription.Next) != newSubscription.Next)

System\Diagnostics\DsesFilterAndTransform.cs (2)

456Interlocked.CompareExchange(ref _firstImplicitTransformsEntry, 467Interlocked.CompareExchange(ref _implicitTransformsTable,

System\Diagnostics\Metrics\AggregatorStore.cs (5)

250Interlocked.CompareExchange(ref NoLabelAggregator, aggregator, null); 266Interlocked.CompareExchange(ref Label1, new FixedSizeLabelNameDictionary<StringSequence1, ObjectSequence1, TAggregator>(), null); 273Interlocked.CompareExchange(ref Label2, new FixedSizeLabelNameDictionary<StringSequence2, ObjectSequence2, TAggregator>(), null); 280Interlocked.CompareExchange(ref Label3, new FixedSizeLabelNameDictionary<StringSequence3, ObjectSequence3, TAggregator>(), null); 287Interlocked.CompareExchange(ref LabelMany, new FixedSizeLabelNameDictionary<StringSequenceMany, ObjectSequenceMany, TAggregator>(), null);

System\Diagnostics\Metrics\MetricsEventSource.cs (1)

93Interlocked.CompareExchange(ref _handler, new CommandHandler(this), null);

System\Diagnostics\Switch.cs (1)

41Interlocked.CompareExchange<object?>(ref _initializedLock, o, null);

System\Diagnostics\Trace.cs (1)

26Interlocked.CompareExchange(ref s_correlationManager, new CorrelationManager(), null) ??

Microsoft\Win32\SafeHandles\SafePipeHandle.Unix.cs (1)

113Socket? current = Interlocked.CompareExchange(ref _pipeSocket, socket, null);

System\Dynamic\Utils\ExpressionUtils.cs (1)

46Interlocked.CompareExchange(ref collection, value.ToReadOnly(), value);

System\Linq\Expressions\Compiler\AssemblyGen.cs (1)

28Interlocked.CompareExchange(ref s_assembly, new AssemblyGen(), comparand: null);

System\Linq\Expressions\Expression.cs (1)

66Interlocked.CompareExchange(

System\Runtime\CompilerServices\CallSiteBinder.cs (1)

207Interlocked.CompareExchange(ref Cache, new Dictionary<Type, object>(), null);

System\Net\Http\HttpClientHandler.cs (1)

378Interlocked.CompareExchange(ref s_dangerousAcceptAnyServerCertificateValidator, delegate { return true; }, null) ??

System\Net\Http\SocketsHttpHandler\ConnectionPool\HttpConnectionPool.cs (1)

416Interlocked.CompareExchange(ref _sslOptionsHttp3, sslOptionsHttp3, null);

System\Net\Http\SocketsHttpHandler\Http2Connection.cs (2)

187Interlocked.CompareExchange(ref _initialSettingsReceived, new(), null) ?? 915Interlocked.CompareExchange(ref _initialSettingsReceived, s_settingsReceivedSingleton, null);

System\Net\Http\SocketsHttpHandler\Http3Connection.cs (1)

365Exception? firstException = Interlocked.CompareExchange(ref _abortException, abortException, null);

System\Net\Http\SocketsHttpHandler\HttpConnectionPoolManager.cs (1)

173if (Interlocked.CompareExchange(ref _networkChangeCleanup, cleanup, null) != null)

System\Net\Http\SocketsHttpHandler\SocketsHttpHandler.cs (1)

555if (Interlocked.CompareExchange(ref _handler, handler, null) != null)

System\Net\Managed\HttpEndPointListener.cs (6)

332} while (Interlocked.CompareExchange(ref _unhandledPrefixes, future, current) != current); 344} while (Interlocked.CompareExchange(ref _allPrefixes, future, current) != current); 358} while (Interlocked.CompareExchange(ref _prefixes, p2, prefs) != prefs); 373} while (Interlocked.CompareExchange(ref _unhandledPrefixes, future, current) != current); 387} while (Interlocked.CompareExchange(ref _allPrefixes, future, current) != current); 401} while (Interlocked.CompareExchange(ref _prefixes, p2, prefs) != prefs);

src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeHandleCache.cs (1)

29T? currentHandle = Interlocked.CompareExchange(ref s_invalidHandle, newHandle, null);

System\Net\Quic\QuicStream.cs (2)

428Interlocked.CompareExchange(ref _sendException, exception, null); 495Interlocked.CompareExchange(ref _sendException, exception, null);

src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeHandleCache.cs (1)

29T? currentHandle = Interlocked.CompareExchange(ref s_invalidHandle, newHandle, null);

System\Net\Security\SslStream.IO.cs (4)

152bool connectionOpen = Interlocked.CompareExchange(ref _connectionOpenedStatus, ConnectionStatus.HandshakeCompleted, ConnectionStatus.NoHandshake) == ConnectionStatus.NoHandshake; 194if (Interlocked.CompareExchange(ref _nestedAuth, NestedState.StreamInUse, NestedState.StreamNotInUse) != NestedState.StreamNotInUse) 200if (Interlocked.CompareExchange(ref _nestedRead, NestedState.StreamInUse, NestedState.StreamNotInUse) != NestedState.StreamNotInUse) 828if (Interlocked.CompareExchange(ref _nestedRead, NestedState.StreamInUse, NestedState.StreamNotInUse) != NestedState.StreamNotInUse)

System\Net\Sockets\SafeSocketHandle.Unix.cs (1)

110Interlocked.CompareExchange(ref _asyncContext, new SocketAsyncContext(this), null) ??

System\Net\Sockets\Socket.Tasks.cs (2)

945if (Interlocked.CompareExchange(ref cache, saea, null) != null) 1033if (Interlocked.CompareExchange(ref cache, this, null) != null)

System\Net\Sockets\SocketAsyncContext.Unix.cs (3)

157State oldState = Interlocked.CompareExchange(ref _state, State.Running, State.Waiting); 185if (state == Interlocked.CompareExchange(ref _state, newState, state)) 221if (state == Interlocked.CompareExchange(ref _state, newState, state))

System\Net\Sockets\SocketAsyncEngine.Unix.cs (2)

264Interlocked.CompareExchange( 303Interlocked.CompareExchange(

System\Net\Sockets\SocketAsyncEventArgs.cs (3)

503if (Interlocked.CompareExchange(ref _operating, OperationState.Disposed, OperationState.Free) != OperationState.Free) 530OperationState status = Interlocked.CompareExchange(ref _operating, OperationState.Configuring, OperationState.Free); 549OperationState status = Interlocked.CompareExchange(ref _operating, OperationState.InProgress, OperationState.Free);

src\libraries\Common\src\System\Threading\Tasks\RendezvousAwaitable.cs (2)

106Action? c = _continuation ?? Interlocked.CompareExchange(ref _continuation, s_completionSentinel, null); 127Action? c = _continuation ?? Interlocked.CompareExchange(ref _continuation, continuation, null);

System\Net\WebClient.cs (1)

1183if (Interlocked.CompareExchange(ref _asyncOp, null, asyncOp) == asyncOp)

System\Net\WebSockets\ClientWebSocket.cs (2)

108switch (Interlocked.CompareExchange(ref _state, InternalState.Connecting, InternalState.Created)) 138if (Interlocked.CompareExchange(ref _state, InternalState.Connected, InternalState.Connecting) != InternalState.Connecting)

System\Net\WebSockets\WebSocketHandle.Managed.cs (1)

269if (Interlocked.CompareExchange(ref invokerRef, invoker, null) is not null)

src\libraries\System.Private.CoreLib\src\System\AppContext.cs (2)

64Interlocked.CompareExchange(ref s_dataStore, new Dictionary<string, object?>(), null); 156Interlocked.CompareExchange(ref s_switches, new Dictionary<string, bool>(), null);

src\libraries\System.Private.CoreLib\src\System\AppDomain.cs (2)

38Interlocked.CompareExchange(ref s_domain, new AppDomain(), null); 280if (Interlocked.CompareExchange(ref _defaultPrincipal, principal, null) is not null)

src\libraries\System.Private.CoreLib\src\System\Buffers\SharedArrayPool.cs (1)

44return Interlocked.CompareExchange(ref _buckets[bucketIndex], inst, null) ?? inst;

src\libraries\System.Private.CoreLib\src\System\Collections\HashHelpers.SerializationInfoTable.cs (1)

22Interlocked.CompareExchange(ref s_serializationInfoTable, new ConditionalWeakTable<object, SerializationInfo>(), null);

src\libraries\System.Private.CoreLib\src\System\Diagnostics\Tracing\EventSource.cs (2)

2528Interlocked.CompareExchange(ref _traceLoggingEventTypes, tlet, null); 4564Interlocked.CompareExchange(ref s_EventSources, new List<WeakReference<EventSource>>(2), null);

src\libraries\System.Private.CoreLib\src\System\Diagnostics\Tracing\TraceLogging\ConcurrentSet.cs (1)

107newItems = Interlocked.CompareExchange(ref this.items, newItems, oldItems)!;

src\libraries\System.Private.CoreLib\src\System\Diagnostics\Tracing\TraceLogging\SimpleEventTypes.cs (1)

32Interlocked.CompareExchange(ref instance, newInstance, null);

src\libraries\System.Private.CoreLib\src\System\Environment.cs (2)

200Interlocked.CompareExchange(ref s_processPath, GetProcessPath() ?? "", null); 223Interlocked.CompareExchange(ref s_osVersion, GetOSVersion(), null);

src\libraries\System.Private.CoreLib\src\System\Globalization\CultureInfo.cs (9)

src\libraries\System.Private.CoreLib\src\System\IO\Strategies\BufferedFileStreamStrategy.cs (1)

1037Interlocked.CompareExchange(ref _buffer, GC.AllocateUninitializedArray<byte>(_bufferSize), null);

src\libraries\System.Private.CoreLib\src\System\IO\Stream.cs (1)

26Interlocked.CompareExchange(ref _asyncActiveSemaphore, new SemaphoreSlim(1, 1), null) ??

src\libraries\System.Private.CoreLib\src\System\Lazy.cs (1)

353LazyHelper? previous = Interlocked.CompareExchange(ref _state, LazyHelper.PublicationOnlyWaitForOtherThreadToPublish, publicationOnly);

src\libraries\System.Private.CoreLib\src\System\Reflection\ModifiedFunctionPointerType.cs (2)

30Interlocked.CompareExchange(ref _returnType, GetTypeParameter(UnmodifiedType.GetFunctionPointerReturnType(), 0), null); 46Interlocked.CompareExchange(ref _parameterTypes, parameterTypes, null);

src\libraries\System.Private.CoreLib\src\System\Reflection\ModifiedGenericType.cs (1)

30Interlocked.CompareExchange(ref _genericArguments, genericArguments, null);

src\libraries\System.Private.CoreLib\src\System\Reflection\ModifiedHasElementType.cs (1)

28Interlocked.CompareExchange(ref _elementType, GetTypeParameter(UnmodifiedType.GetElementType()!, 0), null);

src\libraries\System.Private.CoreLib\src\System\Runtime\ExceptionServices\ExceptionHandling.cs (1)

36if (Interlocked.CompareExchange(ref s_handler, handler, null) != null)

src\libraries\System.Private.CoreLib\src\System\Runtime\InteropServices\ComWrappers.cs (2)

1390if (null != Interlocked.CompareExchange(ref s_globalInstanceForTrackerSupport, instance, null)) 1414if (null != Interlocked.CompareExchange(ref s_globalInstanceForMarshalling, instance, null))

src\libraries\System.Private.CoreLib\src\System\Runtime\InteropServices\NativeLibrary.cs (1)

211Interlocked.CompareExchange(ref s_nativeDllResolveMap,

src\libraries\System.Private.CoreLib\src\System\Runtime\Loader\AssemblyLoadContext.cs (2)

39Interlocked.CompareExchange(ref s_allContexts, new Dictionary<long, WeakReference<AssemblyLoadContext>>(), null) ?? 531Interlocked.CompareExchange<AsyncLocal<AssemblyLoadContext?>?>(ref s_asyncLocalCurrent, new AsyncLocal<AssemblyLoadContext?>(), null);

src\libraries\System.Private.CoreLib\src\System\Text\EncodingProvider.cs (2)

55Interlocked.CompareExchange(ref s_providers, [provider], null) is null) 73if (Interlocked.CompareExchange(ref s_providers, newProviders, providers) == providers)

src\libraries\System.Private.CoreLib\src\System\Text\EncodingTable.cs (2)

180Interlocked.CompareExchange<CodePageDataItem?[]?>(ref s_codePageToCodePageData, new CodePageDataItem[MappedCodePages.Length], null); 218Interlocked.CompareExchange<CodePageDataItem?>(ref s_codePageToCodePageData[index], InternalGetCodePageDataItem(codePage, index), null);

src\libraries\System.Private.CoreLib\src\System\Threading\CancellationTokenSource.cs (4)

104if (Interlocked.CompareExchange(ref _kernelEvent, mre, null) != null) 448ITimer? currentTimer = Interlocked.CompareExchange(ref _timer, timer, null); 609registrations = Interlocked.CompareExchange(ref _registrations, registrations, null) ?? registrations; 711Interlocked.CompareExchange(ref _state, States.NotifyingState, States.NotCanceledState) == States.NotCanceledState)

src\libraries\System.Private.CoreLib\src\System\Threading\LazyInitializer.cs (2)

63Interlocked.CompareExchange(ref target, Activator.CreateInstance<T>(), null!); 115Interlocked.CompareExchange(ref target, value, null!);

src\libraries\System.Private.CoreLib\src\System\Threading\Lock.cs (1)

614AutoResetEvent? waitEventBeforeUpdate = Interlocked.CompareExchange(ref _waitEvent, newWaitEvent, null);

src\libraries\System.Private.CoreLib\src\System\Threading\ManualResetEventSlim.cs (1)

227if (Interlocked.CompareExchange(ref m_eventObj, newEventObj, null) != null)

src\libraries\System.Private.CoreLib\src\System\Threading\RegisteredWaitHandle.Portable.cs (1)

83if (Interlocked.CompareExchange(ref s_cachedEvent, resetEvent, null) != null)

src\libraries\System.Private.CoreLib\src\System\Threading\Tasks\ConcurrentExclusiveSchedulerPair.cs (1)

154Interlocked.CompareExchange(ref m_completionState, new CompletionState(), null);

src\libraries\System.Private.CoreLib\src\System\Threading\Tasks\Future.cs (1)

478Interlocked.CompareExchange(ref s_Factory, new TaskFactory<TResult>(), null) ??

src\libraries\System.Private.CoreLib\src\System\Threading\Tasks\Sources\ManualResetValueTaskSourceCore.cs (2)

165storedContinuation = Interlocked.CompareExchange(ref _continuation, continuation, null); 220Interlocked.CompareExchange(ref _continuation, ManualResetValueTaskSourceCoreShared.s_sentinel, null);

src\libraries\System.Private.CoreLib\src\System\Threading\Tasks\Task.cs (7)

189Interlocked.CompareExchange(ref s_currentActiveTasks, new Dictionary<int, Task>(), null) ?? 967if (Interlocked.CompareExchange(ref m_taskScheduler, scheduler, null) != null) 1067if (Interlocked.CompareExchange(ref m_taskScheduler, scheduler, null) != null) 1335Interlocked.CompareExchange(ref m_contingentProperties, new ContingentProperties(), null); 1485if (Interlocked.CompareExchange(ref contingentProps.m_completionEvent, newMre, null) != null) 1771if (Interlocked.CompareExchange(ref props.m_exceptionsHolder, holder, null) != null) 2166Interlocked.CompareExchange(ref props.m_exceptionalChildren, new List<Task>(), null);

src\libraries\System.Private.CoreLib\src\System\Threading\Tasks\TaskScheduler.cs (1)

282Interlocked.CompareExchange(ref s_activeTaskSchedulers, new ConditionalWeakTable<TaskScheduler, object?>(), null);

src\libraries\System.Private.CoreLib\src\System\Threading\Thread.cs (2)

362Interlocked.CompareExchange(ref s_asyncLocalPrincipal, new AsyncLocal<IPrincipal?>(), null); 673return Interlocked.CompareExchange(ref s_nameToSlotMap, nameToSlotMap, null) ?? nameToSlotMap;

src\libraries\System.Private.CoreLib\src\System\Threading\ThreadPoolWorkQueue.cs (5)

51if (Interlocked.CompareExchange(ref s_queues, newQueues, oldQueues) == oldQueues) 91if (Interlocked.CompareExchange(ref s_queues, newQueues, oldQueues) == oldQueues) 798Interlocked.CompareExchange(ref _mayHaveHighPriorityWorkItems, false, true) && 1006Interlocked.CompareExchange( 1064Interlocked.CompareExchange(

src\libraries\System.Private.CoreLib\src\System\Threading\Win32ThreadPoolNativeOverlapped.cs (1)

93if (Interlocked.CompareExchange(ref s_dataArray, newDataArray, dataArray) != dataArray)

src\libraries\System.Private.CoreLib\src\System\TimeZone.cs (1)

26Interlocked.CompareExchange<object?>(ref s_InternalSyncObject, o, null);

src\libraries\System.Private.CoreLib\src\System\TimeZoneInfo.cs (3)

158Interlocked.CompareExchange(ref _displayName, PopulateDisplayName(), null); 169Interlocked.CompareExchange(ref _standardDisplayName, PopulateStandardDisplayName(), null); 180Interlocked.CompareExchange(ref _daylightDisplayName, PopulateDaylightDisplayName(), null);

src\libraries\System.Private.CoreLib\src\System\TimeZoneInfo.FullGlobalizationData.Unix.cs (1)

83Interlocked.CompareExchange(ref _uiCulture, uiCulture, null);

src\libraries\System.Private.CoreLib\src\System\Type.cs (1)

728Interlocked.CompareExchange(ref s_defaultBinder, new DefaultBinder(), null) ??

src\System\MulticastDelegate.CoreCLR.cs (1)

147if (a[index] == null && Threading.Interlocked.CompareExchange<object?>(ref a[index], o, null) == null)

src\System\Reflection\RuntimeAssembly.cs (2)

61Interlocked.CompareExchange<object?>(ref m_syncRoot, new object(), null); 163Interlocked.CompareExchange(ref m_fullname, s, null);

src\System\RuntimeType.CoreCLR.cs (1)

1459existingCache = Interlocked.CompareExchange(ref m_cache, newCache, null);

src\System\RuntimeType.GenericCache.cs (6)

106if (Interlocked.CompareExchange(ref genericCache, newEntry, existing) == existing) 119if (Interlocked.CompareExchange(ref genericCache, compositeCache, existing) != existing) 124if (Interlocked.CompareExchange(ref TCache.GetStorageRef(compositeCache), newEntry, existingEntry) == existingEntry) 142if (Interlocked.CompareExchange(ref genericCache, newEntry, null) == null) 155if (Interlocked.CompareExchange(ref genericCache, compositeCache, existing) != existing) 161TCache? currentEntry = Interlocked.CompareExchange(ref TCache.GetStorageRef(compositeCache), newEntry, null);

System\Uri.cs (3)

171Interlocked.CompareExchange(ref _moreInfo, new MoreInfo(), null); 2400Interlocked.CompareExchange(ref _info, info, null!); 2405Flags oldValue = Interlocked.CompareExchange(ref _flags, (current & ~Flags.IndexMask) | cF, current);

System\Xml\Schema\Preprocessor.cs (1)

470Interlocked.CompareExchange<XmlSchema?>(ref s_builtInSchemaForXmlNS, tempSchema, null);

System\Xml\Schema\XmlSchemaSet.cs (1)

67Interlocked.CompareExchange<object?>(ref _internalSyncObject, o, null);

System\Xml\Schema\XmlSchemaValidator.cs (4)

2480Interlocked.CompareExchange<XmlSchemaAttribute?>(ref s_xsiTypeSO, tempXsiTypeSO, null); 2488Interlocked.CompareExchange<XmlSchemaAttribute?>(ref s_xsiNilSO, tempxsiNilSO, null); 2497Interlocked.CompareExchange<XmlSchemaAttribute?>(ref s_xsiSLSO, tempxsiSLSO, null); 2506Interlocked.CompareExchange<XmlSchemaAttribute?>(ref s_xsiNoNsSLSO, tempxsiNoNsSLSO, null);

System\Xml\Linq\XContainer.cs (1)

78Interlocked.CompareExchange<object>(ref content, t, s);

System\Xml\Linq\XNamespace.cs (2)

242Interlocked.CompareExchange(ref s_namespaces, new XHashtable<WeakReference<XNamespace>>(ExtractNamespace, NamespacesCapacity), null); 310Interlocked.CompareExchange(ref refNmsp, new WeakReference<XNamespace>(new XNamespace(namespaceName)), refOld);

System\Xml\XPath\XNodeNavigator.cs (1)

843System.Threading.Interlocked.CompareExchange(ref s_XmlNamespaceDeclaration, new XAttribute(XNamespace.Xmlns.GetName("xml"), xmlPrefixNamespace), null);

System\Reflection\Internal\MemoryBlocks\ByteArrayMemoryProvider.cs (1)

45if (Interlocked.CompareExchange(ref _pinned, newPinned, null) != null)

System\Reflection\Internal\Utilities\ObjectPool`1.cs (1)

78if (inst == Interlocked.CompareExchange(ref items[i].Value, null, inst))

System\Reflection\Metadata\Internal\VirtualHeap.cs (1)

115Interlocked.CompareExchange(ref lazyHeap, new VirtualHeap(), null);

System\Reflection\Metadata\MetadataReaderProvider.cs (1)

289if (Interlocked.CompareExchange(ref _lazyMetadataBlock, newBlock, null) != null)

System\Reflection\PortableExecutable\PEReader.cs (5)

333Interlocked.CompareExchange(ref _lazyPEHeaders, headers, null); 345if (Interlocked.CompareExchange(ref _lazyImageBlock, newBlock, null) != null) 367if (Interlocked.CompareExchange(ref _lazyMetadataBlock, newBlock, null) != null) 387Interlocked.CompareExchange(ref _lazyPESectionBlocks, new AbstractMemoryBlock[PEHeaders.SectionHeaders.Length], null); 421if (Interlocked.CompareExchange(ref _lazyPESectionBlocks[index], newBlock, null) != null)

System\Reflection\TypeLoading\Assemblies\RoAssembly.Modules.cs (2)

84return Interlocked.CompareExchange(ref _loadedModules[loadedModulesIndex], newModule, null) ?? newModule; 112Interlocked.CompareExchange(ref _loadedModules[loadedModuleIndex], newModule, null);

System\Reflection\TypeLoading\General\Ecma\MetadataTable.cs (1)

40return Interlocked.CompareExchange(ref table[index], newValue, null) ?? newValue;

System\Reflection\TypeLoading\Modules\Ecma\EcmaModule.MetadataTables.cs (4)

20Interlocked.CompareExchange(ref _lazyTypeDefTable, CreateTable<EcmaDefinitionType>(TableIndex.TypeDef), null) ?? 44Interlocked.CompareExchange(ref _lazyTypeRefTable, CreateTable<RoDefinitionType>(TableIndex.TypeRef), null) ?? 55Interlocked.CompareExchange(ref _lazyGenericParamTable, CreateTable<EcmaGenericParameterType>(TableIndex.GenericParam), null) ?? 66Interlocked.CompareExchange(ref _lazyAssemblyRefTable, CreateTable<RoAssembly>(TableIndex.AssemblyRef), null) ??

System\Runtime\Caching\CacheExpires.cs (1)

874if (timerHandleRef != null && Interlocked.CompareExchange(ref _timerHandleRef, null, timerHandleRef) == timerHandleRef)

System\Runtime\Caching\CacheMemoryMonitor.cs (2)

136if (sref != null && Interlocked.CompareExchange(ref _sizedRefMultiple, null, sref) == sref) 261Interlocked.CompareExchange(ref s_memoryCacheManager, memoryCacheManager, null);

System\Runtime\Caching\ChangeMonitor.cs (1)

226if (Interlocked.CompareExchange(ref _onChangedCallback, onChangedCallback, null) != null)

System\Runtime\Caching\Counters.cs (1)

80if (counters != null && Interlocked.CompareExchange(ref _counters, null, counters) == counters)

System\Runtime\Caching\HostFileChangeMonitor.cs (1)

111Interlocked.CompareExchange(ref s_fcn, fcn, null);

System\Runtime\Caching\MemoryCacheStatistics.cs (1)

342if (timerHandleRef != null && Interlocked.CompareExchange(ref _timerHandleRef, null, timerHandleRef) == timerHandleRef)

System\Runtime\Caching\ObjectCache.cs (1)

33if (Interlocked.CompareExchange(ref s_host, value, null) != null)

src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeHandleCache.cs (1)

29T? currentHandle = Interlocked.CompareExchange(ref s_invalidHandle, newHandle, null);

System\ServiceModel\Channels\SocketAwaitableEventArgs.cs (2)

69if (c != null || (c = Interlocked.CompareExchange(ref _continuation, _continuationCompleted, null)) != null) 116var prevContinuation = Interlocked.CompareExchange(ref _continuation, continuation, null);

System\Text\DBCSCodePageEncoding.cs (1)

236Interlocked.CompareExchange<object?>(ref s_InternalSyncObject, o, null);

System\Text\DecoderBestFitFallback.cs (1)

58Interlocked.CompareExchange<object?>(ref s_InternalSyncObject, o, null);

System\Text\EncoderBestFitFallback.cs (1)

58Interlocked.CompareExchange<object?>(ref s_InternalSyncObject, o, null);

System\Text\SBCSCodePageEncoding.cs (1)

140Interlocked.CompareExchange<object?>(ref s_InternalSyncObject, o, null);

System\Text\Json\Serialization\JsonSerializerOptions.Caching.cs (1)

33return Interlocked.CompareExchange(ref _cachingContext, ctx, null) ?? ctx;

System\Text\Json\Serialization\JsonSerializerOptions.cs (1)

1188return Interlocked.CompareExchange(ref location, options, null) ?? options;

System\Text\Json\Serialization\Metadata\DefaultJsonTypeInfoResolver.cs (1)

132return Interlocked.CompareExchange(ref s_defaultInstance, newInstance, comparand: null) ?? newInstance;

System\Text\Json\Serialization\Metadata\DefaultJsonTypeInfoResolver.Helpers.cs (1)

36return Interlocked.CompareExchange(ref s_memberAccessor, value, null) ?? value;

System\Text\Json\Serialization\Metadata\JsonTypeInfo.cs (1)

265JsonPropertyInfoList? result = Interlocked.CompareExchange(ref _properties, list, null);

System\Text\RegularExpressions\Regex.cs (1)

400Interlocked.CompareExchange(ref _replref, new WeakReference<RegexReplacement?>(null), null) ??

System\Text\RegularExpressions\RegexCharClass.cs (1)

1306uint[]? cache = asciiLazyCache ?? Interlocked.CompareExchange(ref asciiLazyCache, new uint[CacheArrayLength], null) ?? asciiLazyCache;

System\Text\RegularExpressions\Symbolic\CharSetSolver.cs (2)

44Interlocked.CompareExchange(ref s_nonAscii, CreateBDDFromRange('\x80', '\uFFFF'), null) ?? 56Interlocked.CompareExchange(ref ascii[c], CreateBdd(c), null) ??

System\Text\RegularExpressions\Symbolic\UnicodeCategoryConditions.cs (4)

37Interlocked.CompareExchange(ref s_categories[(int)category], BDD.Deserialize(UnicodeCategoryRanges.GetSerializedCategory(category)), null) ?? 43Interlocked.CompareExchange(ref s_whiteSpace, BDD.Deserialize(UnicodeCategoryRanges.SerializedWhitespaceBDD), null) ?? 50Interlocked.CompareExchange(ref s_wordLetter, 72Interlocked.CompareExchange(ref s_wordLetterForAnchors, solver.Or(WordLetter(solver), solver.CreateBDDFromRange('\u200C', '\u200D')), null) ??

src\libraries\System.Text.RegularExpressions\src\System\Text\RegularExpressions\RegexCharClass.cs (1)

1306uint[]? cache = asciiLazyCache ?? Interlocked.CompareExchange(ref asciiLazyCache, new uint[CacheArrayLength], null) ?? asciiLazyCache;

System\Threading\ReaderWriterLock.cs (2)

1026ManualResetEventSlim? previousEvent = Interlocked.CompareExchange(ref _readerEvent, currentEvent, null); 1047AutoResetEvent? previousEvent = Interlocked.CompareExchange(ref _writerEvent, currentEvent, null);

System\Threading\Channels\AsyncOperation.cs (3)

207if (_continuation is not null || Interlocked.CompareExchange(ref _continuation, s_completedSentinel, null) is not null) 351Action<object?>? prevContinuation = Interlocked.CompareExchange(ref _continuation, continuation, null); 520if (ReferenceEquals(Interlocked.CompareExchange(ref _continuation, null, s_availableSentinel), s_availableSentinel))

System\Threading\RateLimiting\TimerAwaitable.cs (1)

96ReferenceEquals(Interlocked.CompareExchange(ref _callback, continuation, null), _callbackCompleted))

Base\DataflowBlock.cs (2)

1086IDisposable? disposableUnlink = Interlocked.CompareExchange<IDisposable?>(ref target._unlink, null, unlink); 1237IDisposable? disposableUnlink = Interlocked.CompareExchange(ref _unlink, null, unlink);

Blocks\WriteOnceBlock.cs (2)

190if (Interlocked.CompareExchange(ref _lazyCompletionTaskSource, Common.CompletedVoidResultTaskCompletionSource, null) != null) 490Interlocked.CompareExchange(ref _lazyCompletionTaskSource, new TaskCompletionSource<VoidResult>(TaskCreationOptions.RunContinuationsAsynchronously), null);

Internal\ActionOnDispose.cs (2)

90Interlocked.CompareExchange(ref _action, null, toRun) == toRun) 132Interlocked.CompareExchange(ref _action, null, toRun) == toRun)

Internal\SpscTargetCore.cs (1)

169if (Interlocked.CompareExchange(ref _activeConsumer, newConsumer, null) == null)

System\Threading\Tasks\Parallel.ForEachAsync.cs (1)

119if (Interlocked.CompareExchange(ref state.NextAvailable, element + T.One, element) != element)

System\Threading\Tasks\ParallelLoopState.cs (1)

214while (Interlocked.CompareExchange(ref pflags._lowestBreakIteration, iteration, oldLBI) != oldLBI)

System\Threading\Tasks\ParallelRangeManager.cs (1)

109Interlocked.CompareExchange(ref _indexRanges[_nCurrentIndexRange]._nSharedCurrentIndexOffset, new StrongBox<long>(0), null);

System\Transactions\TransactionTable.cs (1)

642Bucket oldBucket = Interlocked.CompareExchange(ref _owningSet.headBucket, newBucket, this);

System\Xaml\Schema\TypeReflector.cs (4)

179Interlocked.CompareExchange(ref _attachableMemberCache, 251Interlocked.CompareExchange(ref _nonAttachableMemberCache, 305Interlocked.CompareExchange(ref _positionalParameterTypes, 379Interlocked.CompareExchange(ref _aliasedProperties, dict, null);

System\Xaml\Schema\XamlValueConverter.cs (1)

47Interlocked.CompareExchange(ref _instance, CreateInstance(), null);

System\Xaml\XamlMember.cs (1)

903Interlocked.CompareExchange(ref _reflector, reflector, null);

System\Xaml\XamlSchemaContext.cs (10)

System\Xaml\XamlType.cs (1)

1498Interlocked.CompareExchange(ref _reflector, reflector, null);

src\Compilers\Core\Portable\InternalUtilities\InterlockedOperations.cs (5)

17=> Interlocked.CompareExchange(ref target, value, null) ?? value; 117/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 135/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 141T oldValue = Interlocked.CompareExchange(ref target, initializedValue, uninitializedValue); 152/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/>

src\Dependencies\Collections\Segmented\ImmutableSegmentedDictionary`2+PrivateMarshal.cs (1)

40var dictionary = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._dictionary), value._dictionary, comparand._dictionary);

src\Dependencies\Collections\Segmented\ImmutableSegmentedHashSet`1+PrivateMarshal.cs (1)

40var set = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._set), value._set, comparand._set);

src\Dependencies\Collections\Segmented\ImmutableSegmentedList`1+PrivateMarshal.cs (1)

40var list = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._list), value._list, comparand._list);

src\Dependencies\PooledObjects\ObjectPool`1.cs (2)

152if (inst == null || inst != Interlocked.CompareExchange(ref _firstItem, null, inst)) 181if (inst == Interlocked.CompareExchange(ref items[i].Value, null, inst))

src\Dependencies\Threading\CancellationSeries.cs (1)

83var candidate = Interlocked.CompareExchange(ref _cts, nextSource, priorSource);

src\Compilers\Core\Portable\InternalUtilities\InterlockedOperations.cs (5)

17=> Interlocked.CompareExchange(ref target, value, null) ?? value; 117/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 135/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/> 141T oldValue = Interlocked.CompareExchange(ref target, initializedValue, uninitializedValue); 152/// nearly always more useful than the usual return from <see cref="Interlocked.CompareExchange{T}(ref T, T, T)"/>

src\Dependencies\Collections\Segmented\ImmutableSegmentedDictionary`2+PrivateMarshal.cs (1)

40var dictionary = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._dictionary), value._dictionary, comparand._dictionary);

src\Dependencies\Collections\Segmented\ImmutableSegmentedHashSet`1+PrivateMarshal.cs (1)

40var set = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._set), value._set, comparand._set);

src\Dependencies\Collections\Segmented\ImmutableSegmentedList`1+PrivateMarshal.cs (1)

40var list = Interlocked.CompareExchange(ref Unsafe.AsRef(in location._list), value._list, comparand._list);

src\Dependencies\PooledObjects\ObjectPool`1.cs (2)

152if (inst == null || inst != Interlocked.CompareExchange(ref _firstItem, null, inst)) 181if (inst == Interlocked.CompareExchange(ref items[i].Value, null, inst))

src\Dependencies\Threading\CancellationSeries.cs (1)

83var candidate = Interlocked.CompareExchange(ref _cts, nextSource, priorSource);

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\SemanticModelReuse\SemanticModelWorkspaceServiceFactory.SemanticModelWorkspaceService.cs (1)

134Interlocked.CompareExchange(ref _semanticModelMap, updatedMap, originalMap);