| channel | SafeC Standard Library — Chan<T>: typed channel over the channel built-ins |
| lockfree | SafeC Standard Library — LFQueue<T>: lock-free SPSC ring buffer queue |
| mpsc | SafeC Standard Library — MPSC (Multi-Producer / Single-Consumer) Ring Buffer |
| parallel | SafeC Standard Library — data-parallel loops on a persistent thread pool. |
| spinlock | SafeC Standard Library — Spinlock
Atomic test-and-set spinlock with platform-specific pause hints. |
| task | SafeC Standard Library — Cooperative Task Scheduler
Stackless cooperative multitasking. Tasks yield voluntarily via resume_point. |
| thread_bare | SafeC Standard Library — Freestanding Cooperative Threads
Priority-aware wrapper over TaskScheduler. Freestanding-safe. |