GetShutdownContext decorates a given context and returns it together with a cancel-function.

Handle invokes given handler when a matching os.Signal is received.

HandleOneShot invokes given handler only once when one of the provided signals is received.

RegisterOnShutdownCallback registers a function that is called when the contexts cancel-function is called.

WaitForShutdownContext blocks until all registered callbacks were called.

Handler invokes registered callbacks when a matching os.Signal is received.