PPT-Lecture 11 PA2 , lock, and CV

Lab 3 Demand Paging I mplement the following syscalls xmmap xmunmap vcreate vgetmem vfreemem srpolicy Deadline March 22 2015 1000 PM Demand Paging OS From the OS perspective. Slide . 1. Too Much Milk With Locks. Both threads:. struct. lock l;. .... l. ock_acquire. (&l);. if (milk == 0) . {. . . buyMilk. ();. }. lock_release. (&. l);. CS 140 Lecture Notes: Locks. IME 20051164 Junghee Pyeon. IME 20051206 Wootaek Hwang. IME. . 20051214 Joonhyung Ahn. CONTENTS. Company & Product Overview. Company Overview. Product Overview. Business Analysis. Erez . Petrank. – . Technion. Madanlal. . Musuvathi. - Microsoft . Bjarne. . Steensgaard. - Microsoft. Advances in Parallel Programming. Attempts to simplify. Automatic parallelization, easy models (transactional memories), new languages, platforms, tools for debugging, …. for Concurrent Programs. Hyoun. . Kyu. Cho. 1. , Yin Wang. 2. , . Hongwei. Liao. 1. , . Terence Kelly. 2. , . St. é. phane. Lafortune. 1. , Scott Mahlke. 1. 1. University of Michigan . 2. Hewlett-Packard Labs. scheduling. . optimization. . for. a . chain. . of. . locks. Markus Krauß, ZFT. Agenda. Introduction. . of. ZFT. Motivation. Model. Experiments. Results. Further . Steps. Intruduction. . of. Slide . 1. Uniprocessor . Locks. void . lock_acquire. (. struct. lock *l) {. . intr_disable. ();. if (!l->locked) {. l->locked = 1;. } else {. . queue_add. (&l->q, . Bo Hong. Electrical and Computer Engineering Department. Drexel University. bohong@coe.drexel.edu. http://www.ece.drexel.edu/faculty/bohong. The Max-flow Problem. 2. Bo Hong. S. t. a. d. b. c. 8. 6. 4. You combination or “combo” is made up of three numbers. The Combination. Sample 3-4-12. Do not ever share your combo with others!!!. You must enter the numbers in order, reading from left to right. 3 – 4 - 12. Slide . 1. Uniprocessor . Locks. void . lock_acquire. (. struct. lock *l) {. . intr_disable. ();. if (!l->locked) {. l->locked = 1;. } else {. . queue_add. (&l->q, . Background. Product Introduction. Installment. Background. Tires are one of the most important component for vehicle. In the recent years, because the cost of material raised up rapidly and the tires can easily be stolen and resold, the rate of losing tires becomes higher and higher.. Lecture 10 Locks Scheduling Control: Mutex /Lock Basic pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_lock (&lock); x = x + 1; // or whatever your critical section is mm Lock styles bit key (BB), WC- and bath room doors (WC), Europrofile cylinders with latch lever (WZ) Specifications according to DIN 18251 Grade 3, BN12209 Latch with latch stop, changeable right/le 1COMBINATION LOCKMaster LockNote Instructions in this tutorial apply to locks with the body design shown aboveStep-by-Step InstructionsTo view a brief instructional videoClick Here2IndicatorDialShackl class Lock {. Lock() {}. int locked = 0;. . ThreadQueue. q;. };. void Lock::lock() {. . intrDisable. ();. if (!locked) {. locked = 1;. } else {. . q.add. (. currentThread.