nixpkgs-suyu/nixos/modules/services/hardware/brltty.nix
Joachim Fasting c27eeeafd9
brltty service: wait for devices to settle
Otherwise it starts way too early, only to fail and having to restart
until devices are available.  It is less wasteful to simply wait until
there's a reasonable chance of success.  This is consistent with
upstream.
2016-12-18 12:42:14 +01:00

50 lines
1.1 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.brltty;
in {
options = {
services.brltty.enable = mkOption {
type = types.bool;
default = false;
description = "Whether to enable the BRLTTY daemon.";
};
};
config = mkIf cfg.enable {
systemd.services.brltty = {
description = "Braille Device Support";
unitConfig = {
Documentation = "http://mielke.cc/brltty/";
DefaultDependencies = "no";
RequiresMountsFor = "${pkgs.brltty}/var/lib/brltty";
};
serviceConfig = {
ExecStart = "${pkgs.brltty}/bin/brltty --no-daemon";
Type = "notify";
TimeoutStartSec = 5;
TimeoutStopSec = 10;
Restart = "always";
RestartSec = 30;
Nice = -10;
OOMScoreAdjust = -900;
ProtectHome = "read-only";
ProtectSystem = "full";
SystemCallArchitectures = "native";
};
wants = [ "systemd-udev-settle.service" ];
after = [ "local-fs.target" "systemd-udev-settle.service" ];
before = [ "sysinit.target" ];
wantedBy = [ "sysinit.target" ];
};
};
}