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# A module for ‘rtkit’, a DBus system service that hands out realtime
# scheduling priority to processes that ask for it.
{ config, lib, pkgs, ... }:
with lib;
{
options = {
security.rtkit.enable = mkOption {
type = types.bool;
default = false;
description = ''
Whether to enable the RealtimeKit system service, which hands
out realtime scheduling priority to user processes on
demand. For example, the PulseAudio server uses this to
acquire realtime priority.
'';
};
};
config = mkIf config.security.rtkit.enable {
security.polkit.enable = true;
# To make polkit pickup rtkit policies
environment.systemPackages = [ pkgs.rtkit ];
systemd.packages = [ pkgs.rtkit ];
services.dbus.packages = [ pkgs.rtkit ];
users.users.rtkit =
{
isSystemUser = true;
group = "rtkit";
description = "RealtimeKit daemon";
};
users.groups.rtkit = {};
};
}
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