* tty/pinentry-tty.c (terminal_setup): Not cbreak, but only no echo.
(confirm, read_password): Don't do editing here.
[HAVE_DOSISH_SYSTEM] (confirm, read_password): Return
GPG_ERR_FULLY_CANCELED when EINTR and it's not timed out.
(tty_cmd_handler): Call sigaction for SIGINT.