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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
- When to use AtomicReference in Java? - Stack Overflow
When do we use AtomicReference? Is it needed to create objects in all multithreaded programs? Provide a simple example where AtomicReference should be used
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