'Disable interrupts' diaporamas de présentation

Process Synchronization

Process Synchronization. Background The Critical-Section Problem Synchronization Hardware Semaphores Classical Problems of Synchronization Critical Regions Monitors. Background. Concurrent access to shared data may result in data inconsistency.

1.2k views • 96 slides

Concurrency

CS 242. Concurrency. John Mitchell. Multiprogramming A single computer runs several programs at the same time Each program proceeds sequentially Actions of one program may occur between two steps of another. Multiprocessors Two or more processors may be connected

1.1k views • 81 slides

Computer Architecture and Organization

Computer Architecture and Organization. Computer Components and System Buses. Program Concept. Hardwired systems are inflexible General purpose hardware can do different tasks, given correct control signals Instead of re-wiring, supply a new set of control signals. What is a program?.

1.08k views • 61 slides

Principles of Operating Systems: Design & Applications

Principles of Operating Systems: Design & Applications. Chapter 5 Principles of Process Management. Objectives. understand what a process is and how it differs from a program understand how the process table and process state are used to represent and manage processes

692 views • 47 slides

CSE451 Basic Synchronization Autumn 2002

CSE451 Basic Synchronization Autumn 2002. Gary Kimura Lecture #7 & 8 October 14 & 16, 2002. Today. With all these threads running around sharing the same address space (i.e., memory), how do we keep them from mangling each other? With specific synchronization primitives

408 views • 40 slides

Implementing Lock

546 views • 39 slides

Preemptive Scheduling and Mutual Exclusion with Hardware Support

471 views • 36 slides

CS533 Concepts of Operating Systems

CS533 Concepts of Operating Systems. Linux Kernel Locking Techniques. Intro to kernel locking techniques (Linux). Why do we need locking in the kernel? Which problems are we trying to solve? What implementation choices do we have? Is there a one-size-fits-all solution?.

459 views • 30 slides

Pyxis

465 views • 22 slides

284 views • 16 slides

IN2305-II Embedded Programming

211 views • 12 slides

CSE 451 : Operating Systems

CSE 451 : Operating Systems. Section 9 Debugging kernel modules, project 3. Preliminary project 2b feedback. Many groups disabled interrupts unnecessarily or too early/for too long Do sthread_user_mutex_free and sthread_user_cond_free need to disable interrupts/acquire a lock?

225 views • 11 slides