'Pthread cond' presentation slideshows

TDC561 Network Programming

TDC561 Network Programming. Week 7: Client/Server Design Alternatives Study Cases: TFTP. Camelia Zlatea, PhD Email: czlatea@cs.depaul.edu.

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Events Can Make Sense

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COMP60611 Fundamentals of Parallel and Distributed Systems

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Userland summary

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CS 471 - Lecture 4 Programming with Posix Threads and Java Threads George Mason University

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Threads Programming

Threads Programming. Refs: Chapter 23. Threads vs. Processes. Creation of a new process using fork is expensive (time & memory). A thread (sometimes called a lightweight process ) does not require lots of memory or startup time. Process A. Process B. Global Variables. Global

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Overview

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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.

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Lecture 18 Threaded Programming

Lecture 18 Threaded Programming. CPE 401 / 601 Computer Network Systems. slides are modified from Dave Hollinger. Threads vs. Processes. Creation of a new process using fork is expensive Time Memory A thread does not require lots of memory or startup time called a lightweight process.

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PS3 protein Folding up to 1050 TFLOPS!

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License

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Userland summary

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Early-Riser TA Matt Johnson inst.eecs.berkeley/~cs61c-tm

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Linux

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pthreads

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Condition Variables

Condition Variables. Motivation for Monitors. Semaphores are a big step from the low-level loads and stores However, semaphores are used for both mutual exclusion and synchronization The idea of monitors is to separate these two concerns. Monitor Defined.

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Pthread II

Pthread II. Outline. Join Mutex Variables Condition Variables. Join Mutex Variables Condition Variables. "Joining" is one way to accomplish synchronization between threads. Declare a pthread attribute variable of the pthread_attr_t data type

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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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Thread Basic

Thread Basic. Thread operations include thread creation, termination, synchronization, data management Threads in the same process share: Process address space, instructions and most data Opened files (file descriptor) Signals and signal handles Each thread has a unique: Thread ID

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Synchronization

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