C++ Concurrency in Action, Second Edition
Anthony Williams
  • MEAP began March 2017
  • Publication in Fall 2017 (estimated)
  • ISBN 9781617294693
  • 575 pages (estimated)
  • printed in black & white


An eBook copy of the previous edition, C++ Concurrency in Action (First Edition), is included at no additional cost. It will be automatically added to your Manning Bookshelf within 24 hours of purchase.

This bestseller has been updated and revised to cover all the latest changes to C++ 14 and 17! C++ Concurrency in Action, Second Edition teaches you everything you need to write robust and elegant multithreaded applications in C++17. You'll discover the basics of starting new threads, how to synchronize operations between threads, designing multithreaded algorithms and data structures, and more. Along the way, you'll learn how to navigate the trickier bits of programming for concurrency while avoiding the common pitfalls.

"Great for both the experienced users who want to refresh their memory or learn new techniques and those who have never done any multithreading programming in C++ before."

"The only book on the market that extensively and comprehensively describes the subject of the still new standardized multithreading facilities in C++11 and later versions."

~ Mateusz Malenta

Table of Contents detailed table of contents

1. Hello, world of concurrency in C++!

1.1. What is concurrency?

1.1.1. Concurrency in computer systems

1.1.2. Approaches to concurrency

1.1.3. Concurrency vs Parallelism

1.2. Why use concurrency?

1.2.1. Using concurrency for separation of concerns

1.2.2. Using concurrency for performance: task parallelism and data parallelism

1.2.3. When not to use concurrency

1.3. Concurrency and multithreading in C++

1.3.1. History of multithreading in C++

1.3.2. Concurrency support in the C++11 standard

1.3.3. More support for Concurrency and Parallelism in C++14 and C++17

1.3.4. Efficiency in the C++ Thread Library

1.3.5. Platform-specific facilities

1.4. Getting started

1.4.1. Hello, Concurrent World

1.5. Summary

2. Managing threads

2.1. Basic thread management

2.1.1. Launching a thread

2.1.2. Waiting for a thread to complete

2.1.3. Waiting in exceptional circumstances

2.1.4. Running threads in the background

2.2. Passing arguments to a thread function

2.3. Transferring ownership of a thread

2.4. Choosing the number of threads at runtime

2.5. Identifying threads

2.6. Summary

3. Sharing data between threads

3.1. Problems with sharing data between threads

3.1.1. Race conditions

3.1.2. Avoiding problematic race conditions

3.2. Protecting shared data with mutexes

3.2.1. Using mutexes in C++

3.2.2. Structuring code for protecting shared data

3.2.3. Spotting race conditions inherent in interfaces

3.2.4. Deadlock: the problem and a solution

3.2.5. Further guidelines for avoiding deadlock

3.2.6. Flexible locking with std::unique_lock

3.2.7. Transferring mutex ownership between scopes

3.2.8. Locking at an appropriate granularity

3.3. Alternative facilities for protecting shared data

3.3.1. Protecting shared data during initialization

3.3.2. Protecting rarely updated data structures

3.3.3. Recursive locking

3.4. Summary

4. Synchronizing concurrent operations

4.1. Waiting for an event or other condition

4.1.1. Waiting for a condition with condition variables

4.1.2. Building a thread-safe queue with condition variables

4.2. Waiting for one-off events with futures

4.2.1. Returning values from background tasks

4.2.2. Associating a task with a future

4.2.3. Making (std::)promises

4.2.4. Saving an exception for the future

4.2.5. Waiting from multiple threads

4.3. Waiting with a time limit

4.3.1. Clocks

4.3.2. Durations

4.3.3. Time points

4.3.4. Functions that accept timeouts

4.4. Using synchronization of operations to simplify code

4.4.1. Functional programming with futures

4.4.2. Synchronizing operations with message passing

4.4.3. Continuation-style concurrency with the Concurrency TS

4.4.4. Chaining continuations

4.4.5. Waiting for more than one future

4.4.6. Waiting for the first future in a set with when_any

4.4.7. Latches and Barriers in the Concurrency TS

4.4.8. A basic latch type: std::experimental::latch

4.4.9. std::experimental::barrier: a basic barrier

4.4.10. std::experimental::flex_barrier —std::experimental::barrier’s flexible friend

4.5. Summary

5. The C++ memory model and operations on atomic types

5.1. Memory model basics

5.1.1. Objects and memory locations

5.1.2. Objects, memory locations, and concurrency

5.1.3. Modification orders

5.2. Atomic operations and types in C++

5.2.1. The standard atomic types

5.2.2. Operations on std::atomic_flag

5.2.3. Operations on std::atomic<bool>

5.2.4. Operations on std::atomic<T*> pointer arithmetic

5.2.5. Operations on standard atomic integral types

5.2.6. The std::atomic<> primary class template

5.2.7. Free functions for atomic operations

5.3. Synchronizing operations and enforcing ordering

5.3.1. The synchronizes-with relationship

5.3.2. The happens-before relationship

5.3.3. Memory ordering for atomic operations

5.3.4. Release sequences and synchronizes-with

5.3.5. Fences

5.3.6. Ordering nonatomic operations with atomics

5.3.7. Ordering non-atomic operations

5.4. Summary

6. Designing lock-based concurrent data structures

7. Designing lock-free concurrent data structures

8. Designing concurrent code

9. Advanced thread management

10. Using the Standard Library Parallelism Facilities

11. Testing and debugging multithreaded applications

About the Technology

C++ may seem like the grandfather of modern programming languages, but this is one spritely old dude! C++ 11 delivered strong support for multithreaded applications, and the subsequent C++14 and 17 updates have built on this baseline. C++ has better options for concurrency than ever before, which means it's an incredibly powerful option for multicore and parallel applications.

What's inside

  • Managing threads
  • Synchronizing concurrent operations
  • Designing concurrent code
  • Advanced thread management
  • Parallel Algorithms
  • Debugging multithreaded applications

About the reader

Written for C++ programmers who are new to concurrency and others who may have written multithreaded code using other languages, APIs, or platforms.

About the author

Anthony Williams is a UK-based developer and consultant with many years' experience in C++. He has been an active member of the BSI C++ Standards Panel since 2001, and is the author or co-author of many of the C++ Standards Committee papers that led up to the inclusion of the thread library in the C++11 Standard. He was the maintainer of the Boost Thread library, and is the developer of the just::thread Pro extensions to the C++11 thread library from Just Software Solutions Ltd.

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