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Read e-book online C++ Concurrency in Action: Practical Multithreading PDF

By Anthony Williams

ISBN-10: 1933988770

ISBN-13: 9781933988771

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Summary

C++ Concurrency in Action is a reference and advisor to the recent C++ eleven commonplace for knowledgeable C++ programmers in addition to those that have by no means written multithreaded code. This publication will assist you write strong multithreaded purposes in C++ whereas averting many universal pitfalls.
About the Technology
Multiple processors with a number of cores are the norm nowadays. The C++11 model of the C++ language bargains beefed-up help for multithreaded purposes, and calls for that you just grasp the foundations, options, and new language positive factors of concurrency to stick prior to the curve.
About the Book
Without assuming you've gotten a historical past within the topic, CC++ Concurrency in Action progressively allows you to write powerful and stylish multithreaded purposes in C++11. You'll discover the threading reminiscence version, the recent multithreading aid library, and uncomplicated thread launching and synchronization amenities. alongside the best way, you'll the right way to navigate the trickier bits of programming for concurrency.

Written for C++ programmers who're new to concurrency and others who could have written multithreaded code utilizing different languages, APIs, or platforms.

buy of the print booklet comes with a suggestion of a loose PDF, ePub, and Kindle e-book from Manning. additionally on hand is all code from the book.
What's Inside* Written for the hot C++11 Standard
* Programming for a number of cores and processors
* Small examples for studying, massive examples for practice

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Extra resources for C++ Concurrency in Action: Practical Multithreading

Sample text

The subsequent transfer of ownership into t1 doesn’t require a call to std:: move() to explicitly move ownership, because the owner is a temporary object—moving from temporaries is automatic and implicit. t3 is default constructed e, which means that it’s created without any associated thread of execution. Ownership of the thread currently associated with t2 is transferred into t3 f, again with an explicit call to std::move(), because t2 is a named object. After all these moves, t1 is associated with the thread running some_other_function, t2 has no associated thread, and t3 is associated with the thread running some_function.

C This is because every thread has to have an initial function, which is where the new thread of execution begins. For the initial thread in an application, this is main(), but for every other thread it’s specified in the constructor of a std::thread object—in 14 CHAPTER 1 Hello, world of concurrency in C++! this case, the std::thread object named t d has the new function hello() as its initial function. This is the next difference: rather than just writing directly to standard output or calling hello() from main(), this program launches a whole new thread to do it, bringing the thread count to two—the initial thread that starts at main() and the new thread that starts at hello().

As with much of the C++ Standard Library, std::thread works with any callable type, so you can pass an instance of a class with a function call operator to the std::thread constructor instead: class background_task { public: void operator()() const { do_something(); do_something_else(); } }; background_task f; std::thread my_thread(f); In this case, the supplied function object is copied into the storage belonging to the newly created thread of execution and invoked from there. It’s therefore essential that the copy behave equivalently to the original, or the result may not be what’s expected.

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C++ Concurrency in Action: Practical Multithreading by Anthony Williams


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