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What are atomic operations for newbies? - Stack Overflow Everything works Note that "atomic" is contextual: in this case, the upsert operation only needs to be atomic with respect to operations on the answers table in the database; the computer can be free to do other things as long as they don't affect (or are affected by) the result of what upsert is trying to do
Is there a difference between the _Atomic type qualifier and type . . . Atomic type specifiers :-:) Syntax: _Atomic ( type-name ); You can declare an atomic integer like this: _Atomic(int) counter; The _Atomic keyword can be used in the form _Atomic(T), where T is a type, as a type specifier equivalent to _Atomic T Thus, _Atomic(T) x, y; declares x and y with the same type, even if T is a pointer type This allows for trivial C++0x compatibility with a C++ only
What does atomic mean in programming? - Stack Overflow In the Effective Java book, it states: The language specification guarantees that reading or writing a variable is atomic unless the variable is of type long or double [JLS, 17 4 7] What do
How to implement an atomic counter - Stack Overflow Fortunately, the value initializing constructor of an integral atomic is constexpr, so the above leads to constant initialization Otherwise you'd want to make it -say- a static member of a class that is wrapping this and put the initialization somewhere else
When do I need to use AtomicBoolean in Java? - Stack Overflow The java util concurrent atomic package overview gives you a good high-level description of what the classes in this package do and when to use them I'd also recommend the book Java Concurrency in Practice by Brian Goetz
c++ - Why does g++ still require -latomic - Stack Overflow Relevant reading on the GCC homepage on how and why GCC makes library calls in certain cases regarding <atomic> in the first place GCC and libstdc++ are only losely coupled libatomic is the domain of the library, not the compiler -- and you can use GCC with a different library (which might provide the necessary definitions for <atomic> in its main proper, or under a different name), so GCC
java - How to explain atomic actions? - Stack Overflow What are atomic actions and why they are neccessary? Also, How are atomic actions implemented in Java? My understanding is that in programming an atomic action is one that effectively happens all
In C#, what does atomic mean? - Stack Overflow I read this in the book C# 6 0 and the NET 4 6 framework: “assignments and simple arithmetic operations are not atomic” So, what does it exactly mean?