> [!NOTE] ![[assets/wl_lwlock_injectionpoint.png|256]] > > | | | > | :--- | :--- | > | **Wait Category** | LWLock | > | **Mechanism** | `InjectionPointLock` | > | **Operations** | [[Operations/Table/SeqScan]] | > | **Resources** | [[Resources/RAM|Memory]], [[Resources/CPU|CPU]] | > > **Diagnostic Coordination Barrier**. Injection points allow developers and testers to intentionally introduce delays or failures at specific locations in the C source code to verify the engine's resilience.