volatile is a variable modifier that guarantees visibility of changes between threads. Without it, each thread may cache a variable's value in a CPU register or L1/L2 cache and never see changes made by another thread. volatile disables caching and guarantees reads from main memory.
The Visibility Problem Without volatile
Content is available with subscription.
Get full access to all courses on the platform for one year with a single payment.
▼
Unlike other platforms that charge per course, here you get everything for one price, and after one year of use there will be no automatic charge for the following year.