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