'Fd 1' presentation slideshows

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Linux/UNIX Programming APUE (Interprocess Communication) [Ch. 14] ??? ????? ???????

Linux/UNIX Programming APUE (Interprocess Communication) [Ch. 14] ??? ????? ???????. Contents. APUE (Interprocess Communication. Pipes FIFOs System V IPC Message Queues Shared Memory Semaphores. IPC using Pipes. APUE (Interprocess Communication. IPC using regular files

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IO Multiplexing

IO Multiplexing. IO Models select(). I/O Models. Blocking Non-Blocking IO Multiplexing Signal-driven IO Asynchronous IO. IO Models. Two phases Waiting for the data Copying the data. Blocking I/O. application. kernel. System call. recvfrom. No datagram ready. Wait for data.

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Inter-process Communication

Inter-process Communication. Pipes. Signals provide a simple way of communicating between processes, but the amount of information passed is limited to a signal number. How do we pass more useful information?. > cmd1 | cmd2. pipe. standard input. standard output.

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[Unix Programming] Interprocess Communication - PIPE

[Unix Programming] Interprocess Communication - PIPE. Young-Ju, Han Email: yjhan@imtl.skku.ac.kr. Contents. Pipes Using pipe a single process Using pipe a multiple processes Using pipe in the shell. Overview. different forms of IPC pipes(half duplex) FIFOs(named pipes)

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Advanced Sockets in UNIX / Linux

Advanced Sockets in UNIX / Linux. References: Internetworking with TCP/IP (Comer) (Linux / POSIX Sockets Version) UNIX Network Programming Vol. 1, 2ed.(Stevens) Linux Sockets Programming (Walton). Addressing Support. getsockname (socket, name, namelen)

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Pipes

Pipes. A pipe is a simple, synchronized way of passing information between processes A pipe is a special file/buffer that stores a limited amount of data in a FIFO manner Pipes are commonly used from within shells to connect the stdout of one utility to the stdin of another

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Model Checking of Multi-Process Applications Using SBUML and GDB

Model Checking of Multi-Process Applications Using SBUML and GDB. Yoshihito Nakagawa* (University of Tokyo) Richard Potter ( Japan Science and Technology Agency ) Mitsuharu Yamamoto (Chiba University) Masami Hagiya** (University of Tokyo) Kazuhiko Kato (Tsukuba University). *NAMCO.

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Unix Domain Sockets

Unix Domain Sockets. Computer Network Programming. Outline. Motivation What are Unix domain sockets address structure How to use unix domain sockets Example client-server apps using UDSs. Example use of UDSs. Passing descriptors Passing credentials. Motivation.

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Lecture 09

Lecture 09. Pipes. Outline. Pipes in General pipe() system call pipe() and fork() Closing Unused File Descriptors pipe() and dup2() Live Coding. Pipes. Pipes are the oldest type of interprocess communication (IPC) in UNIX The output of one process becomes the input of another.

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Rings

Rings. CNS 3060. Ring Topology. Each node has one input and one output Information circulates clockwise. 1. 5. 2. Ring structures are attractive because interconnection costs scale linearly. 4. 3. Developing a Ring. // this code shows how to connect the standard input of

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Chapter 14

Chapter 14. Unix domain protocol. contents. Introduction unix domain socket address structure socketpair socket function unix domain stream client-server unix domain datagram client-server passing descriptors receiving sender credentials. Introduction. Unix domain protocol

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Chapter 14

Chapter 14. Unix domain protocol. contents. Introduction unix domain socket address structure socketpair socket function unix domain stream client-server unix domain datagram client-server passing descriptors receiving sender credentials. Introduction. Unix domain protocol

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I/O Multiplexing

I/O Multiplexing. What is I/O multiplexing?. When an application needs to handle multiple I/O descriptors at the same time E.g. file and socket descriptors, multiple socket descriptors When I/O on any one descriptor can result in blocking. Non-forking concurrent server. Concurrent Server

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Interprocess Communication

Interprocesss communication is the technique for processes to communicate with each other The different IPC types are, Pipes (half duplex) FIFO (named pipes) Stream Pipes(Full duplex) Named stream pipes Message queues Semaphores Shared memory Sockets Streams

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Process Synchronization

Process Synchronization. Azzam Mourad www.encs.concordia.ca/~mourad mourad@encs.concordia.ca COEN 346. Agenda. Process Synchronization using Semaphore Process Synchronization using Pipes. Producer. Consumer. Filter1. Filte2. Part I Process Synchronization using Pipes.

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StarLogo

StarLogo. Le tartarughe in parallelo!!. CONTIAMO LE TARTA. to inizia ca crt 1 end ------------------- to genera hatch [ ] fd 1 end. I comandi in parallelo. Usare genera 4 volte e poi il comando repeat 4 [genera]

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Pipe-Related System Calls

COS 431 University of Maine. Pipe-Related System Calls. Process Management System Calls. Fork system call int pid = fork(); Only to create new process Creates exact duplicate of current process except... ...different return values Exec system call family int s = exec(file,argv,envp);

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W = Fd = m( V f 2 - V i 2 ) 2 W = Fd = 1 m D v 2 2

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