book

C++ Programming for Linux Systems

Name: C++ Programming for Linux Systems
ISBN: 9781805129004

by Desislav Andreev, Stanimir Lukanov

September 2023

Beginner to intermediate

288 pages

7h 31m

English

Packt Publishing

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C++ Programming for Linux Systems
ForewordContributorsAbout the author(s)About the reviewer(s)
Preface
Who this book is forWhat this book coversTo get the most out of this bookDownload the example code filesConventions usedGet in touchShare Your ThoughtsDownload a free PDF copy of this book
Part 1:Securing the Fundamentals
Chapter 1: Getting Started with Linux Systems and the POSIX Standard
Technical requirementsGetting familiar with the concept of OSsTypes of OSsLinux in shortGetting to know the Linux kernelIntroducing the system call interface and system programmingNavigating through files, processes, and threadsFileProcess and threadTypes of processes based on their running modeRunning services with init and systemdPortable Operating System Interface (POSIX)Summary
Chapter 2: Learning More about Process Management
Technical requirementsDisassembling process creationMemory segmentsContinuing with process states and some scheduling mechanismsScheduling mechanismsScheduling at a high levelScheduling at a low levelLearning more about process creationIntroducing fork()exec and clone()Terminating a processBlocking a calling processIntroducing the system calls for thread manipulation in C++Joining and detaching threadsThread terminationSummary
Chapter 3: Navigating through the Filesystems
Technical requirementsGoing through Linux’s filesystem fundamentalsLinux’s FSDirectory structure and partitioningLinux FS objectsExecuting FS operations with C++IPC through anonymous pipes and named pipesAnonymous or unnamed pipesNamed pipesBriefly observing signal handlingSummary
Chapter 4: Diving Deep into the C++ Object
Technical requirementsUnderstanding the C++ object modelDeclaration versus definitionScope, storage duration, and lifetimesThe objectThe referenceUnderstanding why initialization mattersFunctors and lambdasExploring functional objectsLambda expressionsSummary
Chapter 5: Handling Errors with C++
Technical requirementsHandling errors from POSIX APIs with C++Using std::error_code and std::error_conditionFrom error codes to exceptionsstd::system_errorThrow by value, catch by referencetry/catch … finallySummary
Part 2:Advanced Techniques for System Programming
Chapter 6: Concurrent System Programming with C++
Technical requirementsWhat is concurrency?Threads versus processesConcurrency with C++Demystifying race conditions and data racesHow do we avoid them?Practical multithreadingHello C++ jthreadCanceling threads – is this really possible?std::stop_sourceSharing data during parallel executionBarriers and latchesSummary

Chapter 7: Proceeding with Inter-Process Communication
Technical requirementsIntroducing MQs and the pub/sub mechanismThe pub/sub mechanismGuaranteeing atomic operations through semaphores and mutual exclusionsSemaphoreMutual exclusion (mutex)Using shared memoryLearning about mmap() and shm_open()Communicating through the network with socketsOverview of the OSI modelGetting familiar with networking through UDPThinking about robustness through TCPSummary
Chapter 8: Using Clocks, Timers, and Signals in Linux
Technical requirementsHandling time in LinuxLinux epochUsing timers in LinuxPOSIX timer characteristicsHandling time in C++Using clocks, timers, and ratiosMore about clocks in C++20Using calendar and time zone capabilitiesWorking with time zones in C++Summary
Chapter 9: Understanding the C++ Memory Model
Technical requirementsGetting to know smart pointers and optionals in C++Retracing RAII via smart pointersDoing a lazy initialization in C++Learning about condition variables, read-write locks, and ranges in C++Cooperative cancellation through condition variablesCombining smart pointers, condition variables, and shared memoryImplementing read-write locks and ranges with C++Discussing multiprocessor systems – cache locality and cache friendliness in C++Considering cache locality through cache-friendly codeA glance at false sharingSharing resources larger than a cache line in C++Revisiting shared resources through the C++ memory model via spinlock implementationIntroducing the memory_order type in C++Designing spinlocks for multiprocessor systems in C++Summary
Chapter 10: Using Coroutines in C++ for System Programming
Technical requirementsIntroducing coroutinesThe coroutine facility in C++Network programming and coroutines in C++Revisiting the shared memory problem through coroutines in C++Final thoughts on coroutines and their implementations in C++Summary
Index
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Content preview from C++ Programming for Linux Systems

10 Using Coroutines in C++ for System Programming

We are almost at the end of our book. The final chapter is dedicated to a feature that is very useful for the purposes of system programming but is fairly new to the C++ standard. Coroutine objects found their application fast, becoming first-class state machine objects. Their power is in hiding logic behind the coroutine frame. Be advised that this is an advanced topic, and the coroutine interface of C++ is neither simple nor comfortable to use. It is well thought out but definitely not the most user-friendly in comparison to other programming languages.

In this chapter, you will learn the basics of using this facility. If you are new to it, then you’ll spend some time understanding its requirements. ...

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C++ Programming for Linux Systems

by Desislav Andreev, Stanimir Lukanov

10

Using Coroutines in C++ for System Programming

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.