Aug 13, 2015 · Objects of atomic types are the only C++ objects that are free from data races; that is, if one thread writes to an atomic object while another thread reads from it, the behavior is well-defined. …

Mar 27, 2013 · Can someone explain to me, whats the difference between atomic operations and atomic transactions? Its seems to me that these two are the same thing.Is that correct?

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...

Sep 18, 2023 · 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 …

Apr 30, 2016 · I remember I came across certain types in the C language called atomic types, but we have never studied them. So, how do they differ from regular types like int,float,double,long etc., and …

Jan 6, 2012 · std::atomic is new feature introduced by c++11 but I can't find much tutorial on how to use it correctly. So are the following practice common and efficient? One practice I used is we have a buff...

Jun 4, 2014 · The definition of atomic is hazy; a value that is atomic in one application could be non-atomic in another. For a general guideline, a value is non-atomic if the application deals with only a …

Oct 20, 2014 · Why the standard make that difference? It seems as both designate, in the same way, an atomic type.

But rename() is still atomic in a very important sense: if you use it to overwrite a file, then you will end up with either the old or the new version and nothing else. [update: but as @jonas-wielicki points out in …

Jun 19, 2025 · 2 We are currently evaluating 128-bit atomic operation support across platforms and compilers, and I wanted to confirm the level of support available in Clang specifically. Our reference …