What is stdatomic in C11 and how does it work?
stdatomic is a part of the C11 standard that provides a set of atomic operations for multi-threaded programming. It allows for safe manipulation of shared data without the need for locks.
Can you explain the difference between atomic and non-atomic operations?
Atomic operations are indivisible and ensure that no other thread can see an intermediate state, while non-atomic operations can be interrupted, leading to potential data races.
What are some common use cases for stdatomic?
Common use cases include implementing lock-free data structures, counters, and flags in multi-threaded applications.
How do I use stdatomic in my C code?
You can include the header <stdatomic.h>
and use functions like atomic_load
, atomic_store
, and atomic_fetch_add
to perform atomic operations.
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