Tagged articles

shmat

3 articles · Page 1 of 1

Jan 31, 2025 · Fundamentals

Understanding Shared Memory in Linux: Concepts, APIs, and Practical Examples

This article explains the fundamentals of shared memory as an efficient inter‑process communication method on Linux, covering its principles, core system calls, usage steps, advantages, synchronization challenges, and real‑world case studies with complete C code examples.

C++IPCLinux

0 likes · 19 min read

Understanding Shared Memory in Linux: Concepts, APIs, and Practical Examples

Liangxu Linux

Oct 6, 2021 · Fundamentals

Mastering Linux Shared Memory: APIs, Structures, and Implementation Details

This guide explains how Linux processes share physical memory using the shmget, shmat, and shmdt system calls, detailing their prototypes, parameters, example programs, kernel structures, and the internal workings of the associated kernel functions.

IPCLinuxVirtual Memory

0 likes · 15 min read

Mastering Linux Shared Memory: APIs, Structures, and Implementation Details

Open Source Linux

Sep 16, 2021 · Fundamentals

How Does Linux Shared Memory Work? A Deep Dive into shmget, shmat, and shmdt

This article explains Linux's shared‑memory mechanism, covering the concepts of virtual versus physical memory, the three core system calls (shmget, shmat, shmdt), example programs for two processes, and a detailed look at the kernel structures and functions that implement shared memory.

IPCLinuxSystem Programming

0 likes · 13 min read

How Does Linux Shared Memory Work? A Deep Dive into shmget, shmat, and shmdt