'Condition variable' presentation slideshows

Counting Semaphore Implementation in Java

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Deadlocks: Part I Prevention and Avoidance

Deadlocks: Part I Prevention and Avoidance. Review: Motivation for Monitors and Condition Variables. Semaphores are a huge step up, but: They are confusing because they are dual purpose: Both mutual exclusion and scheduling constraints

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CSCI/CMPE 4334 Operating Systems Review: Exam 2

CSCI/CMPE 4334 Operating Systems Review: Exam 2. Review. Chapters 7 ~ 10 in your textbook Lecture slides In-class exercises (on the course website) Review slides. Review. 5 questions (100 points) + 1 bonus question (20 points) Question types Q/A. Time & Place & Event.

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CPS110: Ordering constraints

CPS110: Ordering constraints. Landon Cox January 21, 2009. Too much milk solution. leave noteLandon while (noteMelissa){ do nothing } if (noMilk){ buy milk; } remove noteLandon. leave noteMelissa if (no noteLandon){ if (noMilk){ buy milk; } } remove noteMelissa.

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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

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Threads & Synchronization, Conclusion

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Chapter 2: Processes & Threads

Chapter 2: Processes & Threads. Part 2 Interprocess Communication (IPC) & Synchronization. Why do we need IPC?. Each process operates sequentially All is fine until processes want to share data Exchange data between multiple processes Allow processes to navigate critical regions

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Monitor Solutions to Classical Problems

Monitor Solutions to Classical Problems. Announcements. CS 415 Projects graded. Mean 80.7, High 90 out of 90 CS 414 Homework due Monday. Goals for Today. Continue with Synchronization Abstractions Monitors and condition variables Producer Consumer with Monitors

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Semaphores and Monitors

Semaphores and Monitors. CIS450 Winter 2003 Professor Jinhua Guo. Mutual Exclusion with Swap. Initially, s == false; entry () { bool spin = true; Swap(spin, s); while (spin) Swap(spin, s); } exit() { s = false; }. Semaphores (Dijkstra).

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6.5 Semaphore

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More Synchronization featuring Producer/Consumer with Semaphores

More Synchronization featuring Producer/Consumer with Semaphores. Jeff Chase Duke University. Admin. Shell lab demos Mission: get good at thread programming See notes and practice problems on the course web site. Lab 2 is out Midterm: Nov 14. A thread: review.

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Object Oriented Analysis & Design

Object Oriented Analysis & Design. SDL Threads. Contents. Processes Thread Concepts Creating threads Critical sections Synchronizing threads Using threads in games. Processes. A process consists of Memory Allocated to the process One or more threads of execution in the process. P1.

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Using Synchronization

Using Synchronization. Administrative. Lab 2 due Thursday at midnight. Sign up for demos on the Web; e-mail your writeup to me and your demoee, and cc: all group members. Problem set will be available on the Web site this weekend.

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Using Synchronization

Using Synchronization. Administrative. Lab 2 due Thursday at midnight. Sign up for demos on the Web; e-mail your writeup to me and your demoee, and cc: all group members. Problem set will be available on the Web site this weekend.

265 views • 26 slides

Windows Application Development

Windows Application Development. Chapter 10 - Supplement Introduction to Pthreads for Application Portability. OBJECTIVES. Upon completion of this chapter, you will be able to: Describe the Pthreads API Compare Windows and Pthreads Use the open source Pthreads library

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Using Synchronization

Using Synchronization. Administrative. Lab 2 due TONIGHT at MIDNIGHT. Sign up for demos on the Web. Please e-mail a second copy of your writeup to the *TA you sign up to demo with (unless you demo with me). Lab 3-4:

225 views • 16 slides

Using Synchronization

Using Synchronization. Administrative. Lab 2 due TONIGHT at MIDNIGHT. Sign up for demos on the Web. Please e-mail a second copy of your writeup to the *TA you sign up to demo with (unless you demo with me). Lab 3-4:

249 views • 16 slides

Condition Variables

Condition Variables. A condition variable is used to wait until a particular condition is true like in a monitor Always use condition variables together with a mutex lock The mutex provides the mutual exclusive aspect of a monitor

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How to Experimental Design Questions in Written Papers About Practicals

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