The "turnstile function" typically refers to a feature in software or systems that controls and monitors access to specific areas or resources. This function resembles a physical turnstile that allows or prevents passage through a barrier depending on whether the required permissions are present. In the software world, the turnstile function can be used to regulate and control access to sensitive data, functions, or areas within an application or system.
Typical functions of software in the "turnstile function" domain include: