Click on the above“Embedded and Linux Matters” Select“Pin/Star Public Account”Benefits and resources delivered promptly Hello everyone, I am the Information Guy~ As the project gradually comes to a close, I am summarizing some technical points of Linux application development. Since my project is a multi-process system, it involves issues of resource sharing among processes. The … Read more
Many students ask me: Why does my LED light blink while the serial port data reception gets stuck? I want to read data from two sensors simultaneously, why is it that one of them always reads incorrectly? Why can’t my program control the motor while sending data? The most classic question is: why can’t I … Read more
Practical Guide to Network Parameter Tuning in High-Concurrency Linux Scenarios Table of Contents • Practical Guide to Network Parameter Tuning in High-Concurrency Linux Scenarios • • Introduction • 1. Background: When Concurrent Connections Encounter Performance Bottlenecks • • 1.1 Case Environment • 1.2 Initial Parameter Analysis • 2. In-Depth Diagnosis: Connection Status and Kernel Parameters … Read more
In multi-process or multi-thread programming, file read and write operations may lead to data inconsistency. To avoid this situation, the C language provides a file locking mechanism to control access to the same file. This article will detail the file locking and file sharing mechanisms in C language and demonstrate them through code examples. Basic … Read more
Official ChatGPT 4.0 and Claude Pro available for stable after-sales service Author: Qianlang Langben Langliu Link: https://www.jianshu.com/p/f070212024a1 What is the maximum number of concurrent TCP connections? First, the 65535 connections mentioned in the question refer to the limit on the number of client connections. In TCP applications, the server listens on a fixed port, and … Read more
▼ Click the card below to follow me ▲ Click the card above to follow me Httpx: The King of Asynchronous HTTP Libraries! In modern web development, asynchronous programming is becoming the key to enhancing performance. Traditional synchronous HTTP requests are like waiting in line to buy breakfast, where everyone has to wait patiently. Httpx … Read more
Rust Programming: A Beginner’s Guide to High-Performance Development Do you want to master a programming language that combines the performance of C++ with modern safety features? Rust is your ideal choice! As a “rising star” in the fields of system programming and high-performance development, Rust is not only adopted by major companies like Firefox and … Read more
Let me explain the title of this article. 1. Both Python and Go are excellent programming languages, each excelling in different areas. Python is more mature, has a wealth of libraries, and is suitable for scripting and data analysis, dominating the field of artificial intelligence. Go, being relatively young, is more vibrant and excels in … Read more
Tip: For a better reading experience, it is recommended to read on a PC! 1 What are Concurrency and Race Conditions In Linux systems, concurrency refers to the situation where multiple execution units (processes, threads, interrupts, etc.) access shared resources simultaneously or alternately, while a race condition refers to the uncertain behavior or errors caused … Read more
When building high-performance, highly concurrent Linux applications, understanding the underlying mechanisms of processes and threads is crucial. <span>fork()</span> and <span>clone()</span> are two core system calls that not only form the basis of process creation but also directly impact the implementation and performance of threads. This article will delve into the workings of <span>fork()</span> and <span>clone()</span> … Read more