The C++ Programming Language, 4th Edition

42. Threads and Tasks

Keep Calm and Carry On.

– English slogan

• Introduction

• Threads

Identity; Construction; Destruction; join(); detach(); Namespace this_thread; Killing a thread; thread_local Data

• Avoiding Data Races

Mutexes; Multiple Locks; call_once(); Condition Variables

• Task-Based Concurrency

future and promise; promise; packaged_task; future; shared_future; async(); A Parallel find() Example

• Advice

42.1. Introduction

Concurrency – the execution of several tasks simultaneously – is widely used to improve throughput (by using several processors for a single computation) or to improve responsiveness (by allowing one part of a program to progress while another is waiting for a response).

The C++ standard support for concurrency ...