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Along with the System.Threading.Thread class, .NET provides a number of classes that help you develop multithreaded applications. The following articles provide overview of those classes:
| Title | Description |
|---|---|
| The managed thread pool | Describes the System.Threading.ThreadPool class, which provides a pool of worker threads that are managed by .NET. |
| Timers | Describes .NET timers that can be used in a multithreaded environment. |
| Overview of synchronization primitives | Describes types that can be used to synchronize access to a shared resource or control thread interaction. |
| EventWaitHandle | Describes the System.Threading.EventWaitHandle class, which represents a thread synchronization event. |
| CountdownEvent | Describes the System.Threading.CountdownEvent class, which represents a thread synchronization event that becomes set when its count is zero. |
| Mutexes | Describes the System.Threading.Mutex class, which grants exclusive access to a shared resource. |
| Semaphore and SemaphoreSlim | Describes the System.Threading.Semaphore class, which limits number of threads that can access a shared resource or a pool of resources concurrently. |
| Barrier | Describes the System.Threading.Barrier class, which implements the barrier pattern for coordination of threads in phased operations. |
| SpinLock | Describes the System.Threading.SpinLock structure, which is a lightweight alternative to the System.Threading.Monitor class for certain low-level locking scenarios. |
| SpinWait | Describes the System.Threading.SpinWait structure, which provides support for spin-based waiting. |
Note
In .NET 9 and C# 13 or later, prefer a dedicated System.Threading.Lock instance with the C# lock statement for general locking scenarios. This approach improves performance and reduces mistakes from locking shared objects that weren't meant for synchronization. For details, see Overview of synchronization primitives and The lock statement. In Visual Basic, continue to use SyncLock with a dedicated private reference type.
See also
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