diff options
Diffstat (limited to 'gnu/services/base.scm')
| -rw-r--r-- | gnu/services/base.scm | 58 |
1 files changed, 57 insertions, 1 deletions
diff --git a/gnu/services/base.scm b/gnu/services/base.scm index 6165410463..291f1a0c58 100644 --- a/gnu/services/base.scm +++ b/gnu/services/base.scm @@ -28,7 +28,7 @@ #:use-module (gnu system file-systems) ; 'file-system', etc. #:use-module (gnu packages admin) #:use-module ((gnu packages linux) - #:select (eudev kbd e2fsprogs lvm2 fuse alsa-utils crda)) + #:select (eudev kbd e2fsprogs lvm2 fuse alsa-utils crda gpm)) #:use-module ((gnu packages base) #:select (canonical-package glibc)) #:use-module (gnu packages package-management) @@ -80,6 +80,8 @@ guix-publish-configuration? guix-publish-service guix-publish-service-type + gpm-service-type + gpm-service %base-services)) @@ -1113,6 +1115,60 @@ gexp, to open it, and evaluate @var{close} to close it." "Return a service that uses @var{device} as a swap device." (service swap-service-type device)) + +(define-record-type* <gpm-configuration> + gpm-configuration make-gpm-configuration gpm-configuration? + (gpm gpm-configuration-gpm) ;package + (options gpm-configuration-options)) ;list of strings + +(define gpm-dmd-service + (match-lambda + (($ <gpm-configuration> dmd options) + (list (dmd-service + (requirement '(udev)) + (provision '(gpm)) + (start #~(lambda () + ;; 'gpm' runs in the background and sets a PID file. + ;; Note that it requires running as "root". + (false-if-exception (delete-file "/var/run/gpm.pid")) + (fork+exec-command (list (string-append #$gpm "/sbin/gpm") + #$@options)) + + ;; Wait for the PID file to appear; declare failure if + ;; it doesn't show up. + (let loop ((i 3)) + (or (file-exists? "/var/run/gpm.pid") + (if (zero? i) + #f + (begin + (sleep 1) + (loop (1- i)))))))) + + (stop #~(lambda (_) + ;; Return #f if successfully stopped. + (not (zero? (system* (string-append #$gpm "/sbin/gpm") + "-k")))))))))) + +(define gpm-service-type + (service-type (name 'gpm) + (extensions + (list (service-extension dmd-root-service-type + gpm-dmd-service))))) + +(define* (gpm-service #:key (gpm gpm) + (options '("-m" "/dev/input/mice" "-t" "ps2"))) + "Run @var{gpm}, the general-purpose mouse daemon, with the given +command-line @var{options}. GPM allows users to use the mouse in the console, +notably to select, copy, and paste text. The default value of @var{options} +uses the @code{ps2} protocol, which works for both USB and PS/2 mice. + +This service is not part of @var{%base-services}." + ;; To test in QEMU, use "-usbdevice mouse" and then, in the monitor, use + ;; "info mice" and "mouse_set X" to use the right mouse. + (service gpm-service-type + (gpm-configuration (gpm gpm) (options options)))) + + (define %base-services ;; Convenience variable holding the basic services. (let ((motd (plain-file "motd" " |