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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
- 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
- c++ - Are +=, |=, = etc atomic? - Stack Overflow
2 ++ might be atomic on your compiler platform, but in the c++ specs it is not defined to be atomic If you want to make sure to modify a value in an atomic way, you should use the appropiate methods, like Interlocked* on windows Same for all the other routines If you want atomic operations, you should use the appropiate calls, not the
- 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
- 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
- When do I really need to use atomic lt;bool gt; instead of bool?
You need atomic<bool> to avoid race-conditions A race-condition occurs if two threads access the same memory location, and at least one of them is a write operation If your program contains race-conditions, the behavior is undefined
- 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
- . net - What operations are atomic in C#? - Stack Overflow
Is there a systematic way to know whether an operation in C# will be atomic or not? Or are there any general guidelines or rules of thumb?
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