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Chapter 1. Fiber

Oliver Kowalke

Copyright © 2013 Oliver Kowalke

Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Table of Contents

Implementations: fcontext_t, ucontext_t and WinFiber

Fiber management

Class fiber
Class fiber::id
Namespace this_fiber

Stack allocation

Support for valgrind
Support for sanitizers

Synchronization

Mutex Types

Condition Variables

Buffered Channel
Unbuffered Channel

Future
Template promise<>
Template packaged_task<>

Fiber local storage

Migrating fibers between threads

Integrating Fibers with Asynchronous Callbacks

Overview
Return Errorcode
Success or Exception
Return Errorcode or Data
Data or Exception
Success/Error Virtual Methods
Then There’s Boost.Asio

Integrating Fibers with Nonblocking I/O

when_any / when_all functionality

when_any, simple completion
when_any, return value
when_any, produce first outcome, whether result or exception
when_any, produce first success
when_any, heterogeneous types
when_any, a dubious alternative

when_all functionality

when_all, simple completion
when_all, return values
when_all until first exception
wait_all, collecting all exceptions
when_all, heterogeneous types

Sharing a Thread with Another Main Loop

Overview
Event-Driven Program
Embedded Main Loop
Deeper Dive into Boost.Asio

Specualtive execution

GPU computing

CUDA
ROCm/HIP

Running with worker threads

Performance

Customization

Acknowledgments