11 Concurrency and Parallelism

Racket supports multiple threads of control within a program, thread-local storage, some primitive synchronization mechanisms, and a framework for composing synchronization abstractions. In addition, the racket/future and racket/place libraries provide support for parallelism to improve performance.

11.1 Threads

11.1.1 Creating Threads

11.1.2 Suspending, Resuming, and Killing Threads

11.1.3 Synchronizing Thread State

11.1.4 Thread Mailboxes

11.2.4 Buffered Asynchronous Channels

11.2.4.1 Creating and Using Asynchronous Channels

11.2.4.2 Contracts and Impersonators on Asynchronous Channels

11.3 Thread-Local Storage

11.3.1 Thread Cells

11.3.2 Parameters

11.4 Futures

11.4.1 Creating and Touching Futures

11.4.2 Future Semaphores

11.4.3 Future Performance Logging

11.5 Places

11.5.1 Using Places

11.5.2 Places Logging

11.6 Engines

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1	Language Model
2	Notation for Documentation
3	Syntactic Forms
4	Datatypes
5	Structures
6	Classes and Objects
7	Units
8	Contracts
9	Pattern Matching
10	Control Flow
11	Concurrency and Parallelism
12	Macros
13	Input and Output
14	Reflection and Security
15	Operating System
16	Memory Management
17	Unsafe Operations
18	Running Racket
	Bibliography
	Index

11.1	Threads
11.2	Synchronization
11.3	Thread-Local Storage
11.4	Futures
11.5	Places
11.6	Engines