35 lines
877 B
Nix
35 lines
877 B
Nix
# A general watchdog for the linux operating system that should run in the
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# background at all times to ensure a realtime process won't hang the machine
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{ config, lib, pkgs, ... }:
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with lib;
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let
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inherit (pkgs) das_watchdog;
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in {
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###### interface
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options = {
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services.das_watchdog.enable = mkEnableOption "realtime watchdog";
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};
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###### implementation
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config = mkIf config.services.das_watchdog.enable {
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environment.systemPackages = [ das_watchdog ];
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systemd.services.das_watchdog = {
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description = "Watchdog to ensure a realtime process won't hang the machine";
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after = [ "multi-user.target" "sound.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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User = "root";
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Type = "simple";
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ExecStart = "${das_watchdog}/bin/das_watchdog";
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RemainAfterExit = true;
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};
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};
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};
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}
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