Tk::exit - End the application

       Using "exit" from a forked process will terminate both the child process and the parent process. As
       "Tk::exit" is imported by default one should use "CORE::exit" in the forked process instead.

       Terminate the process, returning returnCode to the system as the exit status.  If returnCode isn't
       specified then it defaults to 0.

       If calling "exit" from code invoked via a Tk callback then this Tk version of "exit" cleans up more
       reliably than using the perl "exit".

       exit, process

perl v5.40.1                                       2025-04-13                                          exit(3pm)

       Tk::exit - End the application

           use Tk qw(exit);
           ...
           B<exit>?(I<returnCode>)?;