'Atoi argv 1' diaporamas de présentation

Chapter 4 Threads

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Chapter 4 Threads

Chapter 4 Threads. Outline Overview Multithreading Models Thread Libraries Threading Issues Operating System Examples Windows XP Threads Linux Threads Re-entrency Thread specific data. Objectives

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Chapter 4 Threads

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Chapter 4 Threads

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Chapter 4: Threads

Chapter 4: Threads. Chapter 4: Threads. Overview Multithreading Models Threading Issues Pthreads Windows XP Threads Linux Threads Java Threads. Threads. A thread comprises a thread ID, a program counter, a register set, and a stack.

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Sockets

Sockets. Socket = abstraction of the port concept: Application programs request that the operating system create a socket when one is needed O.S. returns a small integer ( socket descriptor ) that the program uses to reference the socket

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Chapter 4: Threads

Chapter 4: Threads. Adapted to COP4610 by Robert van Engelen. Process Versus Thread. A process has its own address space, file descriptors of open files and devices, and other resources fork () duplicates the process A single process can have a single thread of control or multiple threads

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Lecture 6: Threads Chapter 4

Lecture 6: Threads Chapter 4. Single and Multithreaded Processes. Multithreaded Server Architecture. Benefits of multi-threaded programming: Responsiveness Resource sharing Economy (Solaris example: 30X > expensive to create a process, 5X > expensive to context-switch processes)

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C++ vs C

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#include < stdio.h > int main( int argc , char * argv []) { int x, y, sum; if( argc != 3) {

a rgc , argv ? ????. #include < stdio.h > int main( int argc , char * argv []) { int x, y, sum; if( argc != 3) { fprintf ( stderr ,"Usage: %s no1 no2 ", argv [0]); exit(1); } x = atoi ( argv [1]); y = atoi ( argv [2]); sum = x+y ;

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