isMainThread
isMainThread is a term used in multiple programming environments to refer to a function or property that reports whether the currently executing thread is the program’s main thread. The concept is important because many operations, especially those related to user interfaces, have thread-affinity requirements: they must run on the main thread to avoid UI inconsistencies or crashes.
In Python, the standard function is_main_thread() in the threading module, which returns true if the current
On Apple platforms, the Objective-C class method [NSThread isMainThread] returns a boolean indicating whether the current
In Android and Java environments, there is no built-in isMainThread method as in other ecosystems. A common
Overall, isMainThread serves as a cross-cutting utility to help developers enforce thread-affinity rules, reduce race conditions,