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-rw-r--r--gnu/services/base.scm58
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" "