Java

import java.util.concurrent.atomic.AtomicInteger;

private AtomicInteger c = new AtomicInteger(0);
c.incrementAndGet();
c.decrementAndGet();
c.get();

c#

volatile keyword

The volatile keyword can be applied to fields of these types:

Reference types.

Pointer types (in an unsafe context). Note that although the pointer itself can be volatile, the object that it points to cannot. In other words, you cannot declare a "pointer to volatile."
Simple types such as sbyte, byte, short, ushort, int, uint, char, float, and bool.
An enum type with one of the following base types: byte, sbyte, short, ushort, int, or uint.
Generic type parameters known to be reference types.
IntPtr and UIntPtr.


public volatile int sharedStorage;


python 
https://pypi.org/project/atomic/