C++ Concurrency in Action

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Book Description
Without assuming you have a background in the subject, C++ Concurrency in Action gradually enables you to write robust and elegant multithreaded applications in C++11. You'll explore the threading memory model, the new multithreading support library, and basic thread launching and synchronization facilities. Along the way, you'll learn how to navigate the trickier bits of programming for concurrency.

Written for C++ programmers who are new to concurrency and others who may have written multithreaded code using other languages, APIs, or platforms.

Book Details
Publisher:        Manning
By:        Anthony Williams
ISBN:        978-1-9339-8877-1
Year:        2012
Pages:        528
Language:        English
File size:        6.7 MB
File format:        PDF
Download:     

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关键词：currency Action curr Ency ACT background facilities launching navigate explore

1. #include <list>
   
2. #include <mutex>
   
3. #include <algorithm>
   
4. std::list<int> some_list;
   
5. std::mutex some_mutex;
   
6. void add_to_list(int new_value)
   
7. {
   
8. std::lock_guard<std::mutex> guard(some_mutex);
   
9. some_list.push_back(new_value);
   
10. }
    
11. bool list_contains(int value_to_find)
    
12. {
    
13. std::lock_guard<std::mutex> guard(some_mutex);
    
14. return std::find(some_list.begin(),some_list.end(),value_to_find)
    
15. != some_list.end();
    
16. }

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1. class some_data
   
2. {
   
3. int a;
   
4. std::string b;
   
5. public:
   
6. void do_something();
   
7. };
   
8. class data_wrapper
   
9. {
   
10. private:
    
11. some_data data;
    
12. std::mutex m;
    
13. public:
    
14. template<typename Function>
    
15. void process_data(Function func)
    
16. {
    
17. std::lock_guard<std::mutex> l(m);
    
18. func(data);
    
19. }
    
20. };

复制代码

1. some_data* unprotected;
   
2. void malicious_function(some_data& protected_data)
   
3. {
   
4. unprotected=&protected_data;
   
5. }
   
6. data_wrapper x;
   
7. void foo()
   
8. {
   
9. x.process_data(malicious_function);
   
10. unprotected->do_something();
    
11. }

复制代码