'Mutex' diaporamas de présentation

2.3 InterProcess Communication (IPC)

2.3 InterProcess Communication (IPC). IPC methods. Signals Mutex (MUTual EXclusion) Semaphores Shared memory Memory mapped files Pipes & named pipes Sockets Message queues MPI (Message Passing Interface) Barriers. IPC methods. thread to thread process to process (both on same system)

1.19k views • 104 slides

Synchronisation

814 views • 65 slides

Kthreads, Mutexes, and Debugging

523 views • 52 slides

Kthreads, Mutexes, and Debugging

512 views • 51 slides

Outline for Today

454 views • 45 slides

Week 8 Locking, Linked Lists, Scheduling Algorithms

Week 8 Locking, Linked Lists, Scheduling Algorithms. Classes COP4610 / CGS5765 Florida State University. Concurrency Aspects of Project 2. Synchronizing access to request queue(s) Multiple producers may access request queue(s) at the same time

480 views • 42 slides

Condition Variables

Condition Variables. CS 241 Prof. Brighten Godfrey March 16, 2012 University of Illinois. Synchronization primitives. Mutex locks Used for exclusive access to a shared resource (critical section) Operations: Lock, unlock Sempahores

490 views • 40 slides

Lecture 12

Lecture 12. Thread Synchronization. Outline. Thread Synchronization Race Condition Mutex Deadlock Condition Variable Live Coding. Thread Synchronization. pthreads has two tools to synchronize their actions: mutexes Allow threads to synchronize use of shared resource

385 views • 38 slides

Concurrent Programming

354 views • 33 slides

Synchronization (3)

395 views • 32 slides

4061 Session 20 (3/29)

280 views • 21 slides

More on Process Synchronization Semaphore, Monitor, Condition Variables

More on Process Synchronization Semaphore, Monitor, Condition Variables. Agenda. Review of Mutex Semaphore Examples Monitor Condition Variables Dining Philosophers Implementation of Monitors Implementation of Condition Variables. 1. Mutex (1). Mutual exclusion (mutex) only two states

383 views • 18 slides

What I Teach (Do what I say, not what I do)

What I Teach (Do what I say, not what I do). Andrew Lumsdaine Indiana University. B524: Parallelism in Programming Languages and Systems. Andrew Lumsdaine Computer Science Department Indiana University Bloomington, IN 47401. Course Text.

281 views • 17 slides

Disable/Enable Interrupts

Disable/Enable Interrupts. Disable_interrupts(); <<< critical section >>> Enable_interrupts();. Test-and-Set. TS (<mem loc>) { if (<memloc> == 0) { <mem loc> = 1; return 0; } else { return 1; }. Mutex: Spin Lock.

238 views • 10 slides

Synchronization III: Summary

Synchronization III: Summary. CPE 261403 - Operating Systems http://www.e-cpe.org/moodle. Synchronization Topics. Critical Section Limiting Concurrent Resource Access Sequencing Events. int Mutex = 1; while (Mutex == 0); Mutex--; // Critical Section Mutex++;. Semaphore Mutex = 1;

105 views • 10 slides