| Item | Description |
| HB_MutexCreate() | Creates a Mutex. |
| HB_MutexLock() | Obtains a permanent lock on a Mutex. |
| HB_MutexTimeoutLock() | Tries to obtain a lock on a Mutex with timeout. |
| HB_MutexTryLock() | Tries to obtain a permanent lock on a Mutex. |
| HB_MutexUnlock() | Unlocks a Mutex. |
| Notify() | Resumes a single thread blocked by a particular Mutex. |
| NotifyAll() | Resumes all threads blocked by a particular Mutex. |
| Subscribe() | Subscribes for notifications on a Mutex. |
| SubscribeNow() | Subscribes for notifications on a Mutex and discards pending notifications. |
