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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
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 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
atomic - Java - using AtomicInteger vs Static int - Stack Overflow - AtomicInteger is used to perform the atomic operation over an integer, its an alternative when you don't want to use synchronized keyword - Using a volatile on a Non-Atomic field will give inconsistent result int volatile count; public void inc(){ count++ } - static will make a variable shared by all the instances of that class, But still it will produce an inconsistent result in multi
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