diff options
| -rw-r--r-- | gnu/services/base.scm | 56 |
1 files changed, 38 insertions, 18 deletions
diff --git a/gnu/services/base.scm b/gnu/services/base.scm index 11f55c588c..291dd63256 100644 --- a/gnu/services/base.scm +++ b/gnu/services/base.scm @@ -621,21 +621,23 @@ to add @var{device} to the kernel's entropy pool. The service will fail if (define (unicode-start tty) "Return a gexp to start Unicode support on @var{tty}." - - ;; We have to run 'unicode_start' in a pipe so that when it invokes the - ;; 'tty' command, that command returns TTY. - #~(begin - (let ((pid (primitive-fork))) - (case pid - ((0) - (close-fdes 0) - (dup2 (open-fdes #$tty O_RDONLY) 0) - (close-fdes 1) - (dup2 (open-fdes #$tty O_WRONLY) 1) - (execl #$(file-append kbd "/bin/unicode_start") - "unicode_start")) - (else - (zero? (cdr (waitpid pid)))))))) + (with-imported-modules '((guix build syscalls)) + #~(let* ((fd (open-fdes #$tty O_RDWR)) + (termios (tcgetattr fd))) + (define (set-utf8-input termios) + (set-field termios (termios-input-flags) + (logior (input-flags IUTF8) + (termios-input-flags termios)))) + + ;; See console_codes(4). + (display "\x1b%G" (fdes->outport fd)) + + (tcsetattr fd (tcsetattr-action TCSAFLUSH) + (set-utf8-input termios)) + + ;; TODO: ioctl(fd, KDSKBMODE, K_UNICODE); + (close-fdes fd) + #t))) (define console-keymap-service-type (shepherd-service-type @@ -674,11 +676,29 @@ to add @var{device} to the kernel's entropy pool. The service will fail if (requirement (list (symbol-append 'term- (string->symbol tty)))) + (modules '((guix build syscalls) ;for 'tcsetattr' + (srfi srfi-9 gnu))) ;for 'set-field' (start #~(lambda _ + ;; It could be that mingetty is not fully ready yet, + ;; which we check by calling 'ttyname'. + (let loop ((i 10)) + (unless (or (zero? i) + (call-with-input-file #$device + (lambda (port) + (false-if-exception (ttyname port))))) + (usleep 500) + (loop (- i 1)))) + (and #$(unicode-start device) - (zero? - (system* #$(file-append kbd "/bin/setfont") - "-C" #$device #$font))))) + ;; 'setfont' returns EX_OSERR (71) when an + ;; KDFONTOP ioctl fails, for example. Like + ;; systemd's vconsole support, let's not treat + ;; this as an error. + (case (status:exit-val + (system* #$(file-append kbd "/bin/setfont") + "-C" #$device #$font)) + ((0 71) #t) + (else #f))))) (stop #~(const #t)) (respawn? #f))))) tty+font)) |