[Tracking] Expose a `Lock` type

[kouvel]

• Proposal for the Lock API - Add first class System.Threading.Lock type #34812
  • Partially approved, may need further discussion/changes based on other items
• Expose a Lock type in preview mode - PR: Expose a Lock type in preview mode #87672
• Diagnostics - PRs: Add managed blocking info for lock and monitor waits #101192, Notify the debugger of a cross-thread dependency in Lock #101501
• Proposal for integrating with the C# lock keyword - [Proposal]: Lock statement pattern (VS 17.10, .NET 9) csharplang#7104
• Basic performance tests
• Make the Lock type non-preview - PR: Remove RequiresPreviewFeatures attribute on Lock, add test using the lock keyword #102222
• Document the Lock API surface - PR: Add some documentation for System.Threading.Lock APIs dotnet-api-docs#9912
• Document the new config vars

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Issue Details

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• [Pending] Expose a Lock type in preview mode - Expose a Lock type in preview mode #87672
• SOS diagnostics
• Other diagnostics for determining a lock owner
• Proposal for integrating with the C# lock keyword - [Proposal]: Lock statement pattern (VS 17.10, .NET 9) csharplang#7104
  • Discussed approach, further discussion pending
• Proposal for the Lock API - Add first class System.Threading.Lock type #34812
  • Partially approved, may need further discussion/changes based on other items
• Roslyn analyzer warning for when an await is used or an async method is called inside a using (_lock.EnterScope()) block
• Roslyn analyzer warning for when Lock object is implicitly casted to a type (including a generic type T) that does not match the pattern for the integration with the C# lock keyword

Author:	kouvel
Assignees:	-
Labels:	area-System.Threading
Milestone:	Future

[mangod9]

Closing since new Lock Type is now enabled in 9.