- What is the difference between application and system programming?
Application programming focuses on solving a problem for the final user, while system programming is about creating software used by other software. - What is an API? Why are APIs so important?
An API is an interface that the software exposes to control the access to the resources it controls. It is a description of how other applications should communicate with the software. - Could you explain how protection rings work?
Protection rings are a system used to prevent failures and increase security. They arrange security in hierarchical levels with growing limitations and allow a mediate access to the features of the more powerful levels by using specific gateways. - Can you provide some examples of what cannot be undertaken in user space?
An application in user space cannot change its current space to kernel...
Hands-On System Programming with Go
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Hands-On System Programming with Go
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Overview of this book
System software and applications were largely created using low-level languages such as C or C++. Go is a modern language that combines simplicity, concurrency, and performance, making it a good alternative for building system applications for Linux and macOS.
This Go book introduces Unix and systems programming to help you understand the components the OS has to offer, ranging from the kernel API to the filesystem. You'll then familiarize yourself with Go and its specifications. You'll also learn how to optimize input and output operations with files and streams of data, which are useful tools in building pseudo-terminal applications. You'll gain insights into how processes communicate with each other, and learn about processes and daemon control using signals, pipes, and exit codes. This book will also enable you to understand how to use network communication using various protocols, including TCP and HTTP. As you advance, you'll focus on Go's best feature - concurrency, which will help you handle communication with channels and goroutines, other concurrency tools to synchronize shared resources, and the context package to write elegant applications.
By the end of this book, you will have learned how to build concurrent system applications using Go
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Current Title:
Hands-On System Programming with Go
Table of Contents (24 chapters)
Preface
Free Chapter
Section 1: An Introduction to System Programming and Go
An Introduction to System Programming
Unix OS Components
An Overview of Go
Section 2: Advanced File I/O Operations
Working with the Filesystem
Handling Streams
Building Pseudo-Terminals
Section 3: Understanding Process Communication
Handling Processes and Daemons
Exit Codes, Signals, and Pipes
Network Programming
Data Encoding Using Go
Section 4: Deep Dive into Concurrency
Dealing with Channels and Goroutines
Synchronization with sync and atomic
Coordination Using Context
Implementing Concurrency Patterns
Section 5: A Guide to Using Reflection and CGO
Using Reflection
Using CGO
Assessments
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Customer Reviews