👉 A rowlock is a type of synchronization mechanism in computer science that ensures data integrity and prevents data from being accessed or modified multiple times. In other words, it ensures that only one thread can access or modify a particular piece of data at a time. The key components of a rowlock are: 1. A lock: This is a piece of hardware (usually a mutex) that is used to synchronize access to shared resources. 2. A counter: This is a variable that keeps track of the