[컴퓨터학과] WindowsXP OS 구조

소개

XP Architecture
Depiction of XP Architecture
Kernel
Kernel — Process and Threads
Kernel — Scheduling
Kernel — Trap Handling
Virtual-Memory Layout
Virtual Memory Manager
I/O Manager

목차

XP Architecture
Depiction of XP Architecture
Kernel
Kernel — Process and Threads
Kernel — Scheduling
Kernel — Trap Handling
Virtual-Memory Layout
Virtual Memory Manager
I/O Manager

본문내용

XP Architecture
Layered system of modules
Protected mode : HAL, kernel, executive
User mode : collection of subsystems
Environmental subsystems emulate different operating systems
Protection subsystems provide security functions

Kernel

Foundation for the executive and the subsystems
Never paged out of memory; execution is never preempted
Four main responsibilities:
thread scheduling
interrupt and exception handling
low-level processor synchronization
recovery after a power failure
Kernel is object-oriented, uses two sets of objects
dispatcher objects control dispatching and synchronization (events, mutants, mutexes, semaphores, threads and timers)
control objects (asynchronous procedure calls, interrupts, power notify, power status, process and profile objects)

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