'Pthread mutex unlock' diaporamas de présentation

Programming with Shared Memory

Programming with Shared Memory. Chapter 8. In this chapter, we outline methods of programming systems having shared memory, notably the use of system/library calls and the use of parallel programming languages.

935 views • 90 slides

Lecture 3 Posix Threads

Lecture 3 Posix Threads. CSCE 713 Advanced Computer Architecture. Topics Pthreads Readings. January 17, 2012. Overview. Last Time Finish Slides from Lecture 1 NP-Completeness and the Dwarves Posix Pthreads Readings for today

689 views • 47 slides

Chapter 8: Deadlocks

Chapter 8: Deadlocks. Chapter 8: Deadlocks. System Model Deadlock Characterization Methods for Handling Deadlocks Deadlock Prevention Deadlock Avoidance Deadlock Detection Recovery from Deadlock. Chapter Objectives.

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Chapter 7: Deadlocks

Chapter 7: Deadlocks. Chapter 7: Deadlocks. System Model Deadlock Characterization Methods for Handling Deadlocks Deadlock Prevention Deadlock Avoidance Deadlock Detection Recovery from Deadlock. Chapter Objectives.

619 views • 45 slides

Chapter 7: Deadlocks

Chapter 7: Deadlocks. Chapter 7: Deadlocks. System Model Deadlock Characterization Methods for Handling Deadlocks Deadlock Prevention Deadlock Avoidance Deadlock Detection Recovery from Deadlock. Chapter Objectives.

456 views • 45 slides

Chapter 7: Deadlocks

Chapter 7: Deadlocks. Chapter 7: Deadlocks. System Model Deadlock Characterization Methods for Handling Deadlocks Deadlock Prevention Deadlock Avoidance Deadlock Detection Recovery from Deadlock. Chapter Objectives.

456 views • 45 slides

Chapter 7: Deadlocks

Chapter 7: Deadlocks. Chapter 7: Deadlocks. System Model Deadlock Characterization Methods for Handling Deadlocks Deadlock Prevention Deadlock Avoidance Deadlock Detection Recovery from Deadlock. Chapter Objectives.

456 views • 45 slides

Chapter 8: Deadlocks

Chapter 8: Deadlocks. Chapter 8: Deadlocks. System Model Deadlock Characterization Methods for Handling Deadlocks Deadlock Prevention Deadlock Avoidance Deadlock Detection Recovery from Deadlock. Chapter Objectives.

457 views • 45 slides

Chapter 7: Deadlocks

Chapter 7: Deadlocks. Chapter 7: Deadlocks. System Model Deadlock Characterization Methods for Handling Deadlocks Deadlock Prevention Deadlock Avoidance Deadlock Detection Recovery from Deadlock. Chapter Objectives.

458 views • 45 slides

Chapter 7: Deadlocks

Chapter 7: Deadlocks. Chapter 7: Deadlocks. System Model Deadlock Characterization Methods for Handling Deadlocks Deadlock Prevention Deadlock Avoidance Deadlock Detection Recovery from Deadlock. Chapter Objectives.

444 views • 44 slides

Events Can Make Sense

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Chapter 7: Deadlocks

Chapter 7: Deadlocks. Chapter 7: Deadlocks. System Model Deadlock Characterization * Methods for Handling Deadlocks * Deadlock Prevention * Deadlock Avoidance * Deadlock Detection * Recovery from Deadlock *. Objectives.

436 views • 43 slides

THREAD IMPLEMENTATION

THREAD IMPLEMENTATION. For parallel processing. Steps involved. Creation Creates a thread with a thread id . Detach and Join All threads must be detached or joined with. Termination Analogous to exit. Create a Thread. pthread_create()

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POSIX Synchronization

Introduction to Operating Systems: Discussion Module 5. POSIX Synchronization. POSIX Synchronization. Synchronization objects are variables in memory that you access just like data.

516 views • 35 slides

Chapter 7: Deadlocks

Chapter 7: Deadlocks. Modified. Chapter 7: Deadlocks. System Model Deadlock Characterization Methods for Handling Deadlocks Deadlock Prevention Deadlock Avoidance. Chapter Objectives.

470 views • 34 slides

Threads Cannot be Implemented As a Library

Andrew Hobbs. Threads Cannot be Implemented As a Library. As a library...what does that mean?. Language specification doesn't say anything about it The specification defines what compilers should do So the compiler doesn't know about them either. How does this affect programming?.

469 views • 22 slides

Software Systems Advanced Synchronization

Software Systems Advanced Synchronization. Emery Berger and Mark Corner University of Massachusetts Amherst. Why Synchronization?. Synchronization serves two purposes: Ensure safety for shared updates Avoid race conditions Coordinate actions of threads Parallel computation

336 views • 21 slides

CS510 Concurrent Systems Class 5

CS510 Concurrent Systems Class 5. Threads Cannot Be Implemented As a Library. Reasoning about program outcomes. What are the valid outcomes for this program? Is it valid for both r1 and r2 to contain 0 ?. Initialization: x = y = 0;. Thread 1 x = 1; r1 = y;. Thread 2 y = 1; r2 = x;.

302 views • 20 slides

CS510 Concurrent Systems

CS510 Concurrent Systems. Threads Cannot Be Implemented As a Library. Reasoning about program outcomes. What are the valid outcomes for this program? Is it valid for both r1 and r2 to contain 0 ?. Initialization: x = y = 0;. Thread 1 x = 1; r1 = y;. Thread 2 y = 1; r2 = x;.

280 views • 20 slides

CS510 Concurrent Systems Class 5

CS510 Concurrent Systems Class 5. Threads Cannot Be Implemented As a Library. Reasoning about program outcomes. What are the valid outcomes for this program? Is it valid for both r1 and r2 to contain 0 ?. Initialization: x = y = 0;. Thread 1 x = 1; r1 = y;. Thread 2 y = 1; r2 = x;.

205 views • 20 slides