| Subclause | Header | ||
| Requirements | |||
| Stop tokens | <stop_token> | ||
| Threads | <thread> | ||
| Atomic operations | <atomic>, <stdatomic.h> | ||
| Mutual exclusion | <mutex>, <shared_mutex> | ||
| Condition variables | <condition_variable> | ||
| Semaphores | <semaphore> | ||
| Coordination types | <latch>, <barrier> | ||
| Futures | <future> | ||
| Safe reclamation | <rcu>, <hazard_pointer> |