'Process a' diaporamas de présentation

Deadlocks Detection and Avoidance

Prof. Sirer CS 4410 Cornell University. Deadlocks Detection and Avoidance. System Model. There are non-shared computer resources Maybe more than one instance Printers, Semaphores, Tape drives, CPU Processes need access to these resources Acquire resource

817 views • 62 slides

Deadlocks Detection and Avoidance

Prof. Sirer CS 4410 Cornell University. Deadlocks Detection and Avoidance. System Model. There are non-shared computer resources Maybe more than one instance Printers, Semaphores, Tape drives, CPU Processes need access to these resources Acquire resource

751 views • 62 slides

Deadlocks

Deadlocks. System Model. There are non-shared computer resources Maybe more than one instance Printers, Semaphores, Tape drives, CPU Processes need access to these resources Acquire resource If resource is available, access is granted If not available, the process is blocked Use resource

782 views • 57 slides

Parallel Processing

816 views • 55 slides

Interprocess Communication Patterns

Interprocess Communication Patterns. Chapter 7. Key concepts in chapter 7. Process competition and cooperation Mutual exclusion Signaling Rendezvous Producer-consumer with limited buffers Client-server Database access and update. Using IPC. This chapter is not about OSs

857 views • 54 slides

Concurrency : Deadlock and Starvation

Concurrency : Deadlock and Starvation. Principles of deadlock Deadlock is the permanent blocking of a set of processes that either compete for system resources or communicate with each other. Types of resources Reusable

703 views • 41 slides

Operating Systems, 122

Operating Systems, 122. Practical Session 5, Synchronization. 1. Motivation. Multiprocessing needs some tools for managing shared resources Printers Files Data Bases. 2. Conditions for a good Solution.

478 views • 39 slides

Windows XP: An Overview

539 views • 38 slides

CHAPTER 4

CHAPTER 4. Iterative Structure. Content. Introduction 3 types of iterative structure FOR-ENDFOR WHILEDO-ENDWHILE DOWHILE-ENDWHILE Pseudocode for iterative structure Q&A. Introduction . aka repetition/loop structure

497 views • 36 slides

Sept 17th 2003

428 views • 30 slides

Multi-user Database Processing

Multi-user Database Processing. Architectures Transactions Security Administration. Multi-user Processing Architectures. Teleprocessing Systems Client-Server Systems File Sharing Systems Distributed Database Systems. Teleprocessing Systems. Central CPU & Applications Central DBMS

467 views • 23 slides

Pipes

Pipes. Pipes represent a channel for Interprocess Communication. Pipe. * Pipe A simple, unnamed pipe provides a one-way flow of data. Can be thought as a special file that can store a limited amount of data in a first-in-first-out manner, exactly akin to a queue. Other variations:

525 views • 15 slides

Process Scheduling

Process Scheduling. Process. The activation of a program. Can have multiple processes of a program Entities associated with a process Instruction pointer, SP, other registers user who owns it memory location of user data areas own run-time stack instructions. Different for each process.

237 views • 12 slides

Implementing WTRP on QNX

Implementing WTRP on QNX. Ruchira S. Datta Berkeley WOW Group. Introduction to WTRP. Medium Access Control protocol for ad-hoc wireless networks Previously developed on simulation, UDP, and Linux kernel platforms Unified codebase Protocol itself encoded in core Core uses library calls

266 views • 11 slides

Palabora Mining Company What influences your Workplace Skills Plan?

Palabora Mining Company What influences your Workplace Skills Plan?. December 2008. START. Consultation and discussion on the skills audit process and the expected outcomes. Investigation to key role outputs . What are the skills required for employees to deliver

671 views • 9 slides