PostSharp.Patterns.Threading (nuget): Adds a concept of thread safety to C# and VB so that most threading defects are detected at build-time or in a single-threaded test coverage.      Includes a deadlock detection policy and thread dispatching aspects. An official PostSharp pattern library.
Keywords: postsharp|threading|synchronization|lock|locks|deadlock|parallel|powerthreading|concurrent|concurrency