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 …

May 8, 2015 · 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, …

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 …

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

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 …

Jul 17, 2025 · Background I'm building a cross-platform atomic abstraction layer to support 64-bit and 128-bit atomic operations for the following types: int64_t, uint64_t __int128 (on Clang …

May 1, 2013 · 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 …

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?

Sep 6, 2018 · 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 …

Feb 26, 2009 · The last two are identical; "atomic" is the default behavior (note that it is not actually a keyword; it is specified only by the absence of nonatomic -- atomic was added as a …