
What does "atomic" mean in programming? - Stack Overflow
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, …
atomic operations and atomic transactions - Stack Overflow
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?
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 …
What are atomic operations for newbies? - Stack Overflow
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 …
Is there a difference between the _Atomic type qualifier and type ...
Oct 20, 2014 · 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 …
sql - What is atomicity in dbms - Stack Overflow
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 …
When should std::atomic_compare_exchange_strong be used?
Jul 29, 2013 · There are two atomic CAS operations in C++11: atomic_compare_exchange_weak and atomic_compare_exchange_strong. According to cppreference: The weak forms of the …
atomic - Java - using AtomicInteger vs Static int - Stack Overflow
Nov 28, 2012 · - 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 …
How to declare a vector of atomic in C++ - Stack Overflow
I am intending to declare a vector of atomic variables to be used as counters in a multithreaded programme. Here is what I tried: #include <atomic> #include <vector> int main (void) { ...
c++ - How to implement an atomic counter - Stack Overflow
Sep 18, 2023 · The value-initializing constructor of an atomic is constexpr, so that that leads to a constant-initialization as well. Kinda makes sense because that is how it should be, with a …