diff options
Diffstat (limited to 'gnu/services/base.scm')
| -rw-r--r-- | gnu/services/base.scm | 67 |
1 files changed, 37 insertions, 30 deletions
diff --git a/gnu/services/base.scm b/gnu/services/base.scm index 343123a377..be1bfce578 100644 --- a/gnu/services/base.scm +++ b/gnu/services/base.scm @@ -62,6 +62,7 @@ %default-console-font console-font-service-type console-font-service + virtual-terminal-service-type udev-configuration udev-configuration? @@ -665,22 +666,27 @@ to add @var{device} to the kernel's entropy pool. The service will fail if "Return a service that sets the host name to @var{name}." (service host-name-service-type name)) -(define (unicode-start tty) - "Return a gexp to start Unicode support on @var{tty}." - (with-imported-modules '((guix build syscalls)) - #~(let* ((fd (open-fdes #$tty O_RDWR)) - (termios (tcgetattr fd))) - (define (set-utf8-input termios) - (set-field termios (termios-input-flags) - (logior (input-flags IUTF8) - (termios-input-flags termios)))) - - (tcsetattr fd (tcsetattr-action TCSAFLUSH) - (set-utf8-input termios)) - - ;; TODO: ioctl(fd, KDSKBMODE, K_UNICODE); - (close-fdes fd) - #t))) +(define virtual-terminal-service-type + ;; Ensure that virtual terminals run in UTF-8 mode. This is the case by + ;; default with recent Linux kernels, but this service allows us to ensure + ;; this. This service must start before any 'term-' service so that newly + ;; created terminals inherit this property. See + ;; <https://bugs.gnu.org/30505> for a discussion. + (shepherd-service-type + 'virtual-terminal + (lambda (utf8?) + (shepherd-service + (documentation "Set virtual terminals in UTF-8 module.") + (provision '(virtual-terminal)) + (requirement '(root-file-system)) + (start #~(lambda _ + (call-with-output-file + "/sys/module/vt/parameters/default_utf8" + (lambda (port) + (display 1 port))) + #t)) + (stop #~(const #f)))) + #t)) ;default to UTF-8 (define console-keymap-service-type (shepherd-service-type @@ -719,8 +725,6 @@ to add @var{device} to the kernel's entropy pool. The service will fail if (requirement (list (symbol-append 'term- (string->symbol tty)))) - (modules '((guix build syscalls) ;for 'tcsetattr' - (srfi srfi-9 gnu))) ;for 'set-field' (start #~(lambda _ ;; It could be that mingetty is not fully ready yet, ;; which we check by calling 'ttyname'. @@ -732,16 +736,18 @@ to add @var{device} to the kernel's entropy pool. The service will fail if (usleep 500) (loop (- i 1)))) - (and #$(unicode-start device) - ;; '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 #$font)) - ((0 71) #t) - (else #f))))) + ;; Assume the VT is already in UTF-8 mode, thanks to + ;; the 'virtual-terminal' service. + ;; + ;; 'setfont' returns EX_OSERR (71) when an + ;; KDFONTOP ioctl fails, for example. Like + ;; systemd's vconsole support, let's not treat + ;; this as an error. + (case (status:exit-val + (system* #$(file-append kbd "/bin/setfont") + "-C" #$device #$font)) + ((0 71) #t) + (else #f)))) (stop #~(const #t)) (respawn? #f))))) tty+font)) @@ -1093,7 +1099,7 @@ the tty to run, among other things." ;; Since the login prompt shows the host name, wait for the 'host-name' ;; service to be done. Also wait for udev essentially so that the tty ;; text is not lost in the middle of kernel messages (XXX). - (requirement '(user-processes host-name udev)) + (requirement '(user-processes host-name udev virtual-terminal)) (start #~(make-forkexec-constructor (list #$(file-append mingetty "/sbin/mingetty") @@ -2034,7 +2040,7 @@ This service is not part of @var{%base-services}." (shepherd-service (documentation "kmscon virtual terminal") - (requirement '(user-processes udev dbus-system)) + (requirement '(user-processes udev dbus-system virtual-terminal)) (provision (list (symbol-append 'term- (string->symbol virtual-terminal)))) (start #~(make-forkexec-constructor #$kmscon-command)) (stop #~(make-kill-destructor))))))) @@ -2044,6 +2050,7 @@ This service is not part of @var{%base-services}." ;; Convenience variable holding the basic services. (list (login-service) + (service virtual-terminal-service-type) (service console-font-service-type (map (lambda (tty) (cons tty %default-console-font)) |