about summary refs log tree commit diff
path: root/nixos/modules/security/rtkit.nix
blob: afe93f24273d3922f6afc3cef0ef0fbde00b351a (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
# 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.extraUsers = singleton
      { name = "rtkit";
        uid = config.ids.uids.rtkit;
        description = "RealtimeKit daemon";
      };

  };

}