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In terminal sessions, SIGINT is turned into a `quit` ELisp signal, but in batch it has traditionally killed Emacs. It can be very useful to cause a `quit` from outside the process when running in batch (e.g. for "batch" sessions that provide a REPL via stdin/out), so add a new var 'kill-emacs-on-sigint' to control that behavior. (bug#80942) * src/keyboard.c (handle_interrupt_signal): Obey `kill_emacs_on_sigint`. (init_keyboard): Use `deliver_interrupt_signal` for SIGINT also for batch sessions. (syms_of_keyboard): New variable `kill_emacs_on_sigint`. * test/src/keyboard-tests.el (keyboard-sigint-to-quit): New test. * doc/emacs/cmdargs.texi (Initial Options): Mention the effect of `kill-emacs-on-sigint` in batch mode. |
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