Tagged articles

Futex

3 articles · Page 1 of 1

Nov 27, 2024 · Fundamentals

Linux Thread Synchronization: Mechanisms, Implementations, and Practical Applications

This article provides a comprehensive overview of Linux thread synchronization, explaining core concepts such as mutexes, condition variables, semaphores, and futexes, describing their implementation details, code examples, and common usage scenarios like producer‑consumer and reader‑writer problems.

FutexLinuxSemaphore

0 likes · 33 min read

Linux Thread Synchronization: Mechanisms, Implementations, and Practical Applications

OPPO Kernel Craftsman

Sep 23, 2022 · Fundamentals

Understanding Linux Futex: Mechanism, APIs, and Priority Inheritance

Linux futexes provide a fast userspace lock backed by a kernel wait queue, using atomic operations when uncontended and system calls such as FUTEX_WAIT, FUTEX_WAKE, and priority‑inheritance variants to manage contention, requeueing, and priority inversion via rt‑mutex structures.

FutexLinuxkernel

0 likes · 19 min read

Understanding Linux Futex: Mechanism, APIs, and Priority Inheritance

58 Tech

Jan 14, 2019 · Operations

Analysis of a Linux Kernel Futex Bug Causing Java and Xtrabackup Hang on Hadoop Nodes

A detailed investigation reveals that a futex bug in Linux kernel 2.6.32-504 causes Java programs on Hadoop and xtrabackup processes to hang, and the issue can be resolved by upgrading to a newer kernel version.

FutexHadoopLinux

0 likes · 12 min read

Analysis of a Linux Kernel Futex Bug Causing Java and Xtrabackup Hang on Hadoop Nodes