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7aecd0ca53
* dbus: don't signal Upstart, since that seems to make it forget about pending events or something. In any case starting dbus after acpid was running wouldn't trigger hal to be started (but the other way around did work). svn path=/nixos/branches/upstart-0.6/; revision=18251
116 lines
2.7 KiB
Nix
116 lines
2.7 KiB
Nix
# HAL daemon.
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{ config, pkgs, ... }:
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with pkgs.lib;
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let
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cfg = config.services.hal;
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inherit (pkgs) hal;
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fdi = pkgs.buildEnv {
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name = "hal-fdi";
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pathsToLink = [ "/share/hal/fdi" ];
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paths = cfg.packages;
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};
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in
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{
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###### interface
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options = {
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services.hal = {
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enable = mkOption {
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default = true;
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description = ''
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Whether to start the HAL daemon.
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'';
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};
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packages = mkOption {
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default = [];
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description = ''
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Packages containing additional HAL configuration data.
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'';
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};
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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# !!! move pmutils somewhere else
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environment.systemPackages = [hal pkgs.pmutils];
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services.hal.packages = [hal pkgs.hal_info];
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users.extraUsers = singleton
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{ name = "haldaemon";
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uid = config.ids.uids.haldaemon;
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description = "HAL daemon user";
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};
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users.extraGroups = singleton
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{ name = "haldaemon";
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gid = config.ids.gids.haldaemon;
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};
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jobs.hal =
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{ description = "HAL daemon";
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startOn = "started dbus" + optionalString config.powerManagement.enable " and started acpid";
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environment =
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{ # !!! HACK? These environment variables manipulated inside
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# 'src'/hald/mmap_cache.c are used for testing the daemon.
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HAL_FDI_SOURCE_PREPROBE = "${fdi}/share/hal/fdi/preprobe";
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HAL_FDI_SOURCE_INFORMATION = "${fdi}/share/hal/fdi/information";
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HAL_FDI_SOURCE_POLICY = "${fdi}/share/hal/fdi/policy";
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# Stuff needed by the shell scripts run by HAL (in particular pm-utils).
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HALD_RUNNER_PATH = concatStringsSep ":"
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[ "${pkgs.coreutils}/bin"
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"${pkgs.gnugrep}/bin"
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"${pkgs.dbus.tools}/bin"
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"${pkgs.procps}/bin"
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"${pkgs.procps}/sbin"
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"${config.system.sbin.modprobe}/sbin"
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"${pkgs.module_init_tools}/bin"
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"${pkgs.module_init_tools}/sbin"
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"${pkgs.kbd}/bin"
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];
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};
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preStart =
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''
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mkdir -m 0755 -p /var/cache/hald
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mkdir -m 0755 -p /var/run/hald
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rm -f /var/cache/hald/fdi-cache
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'';
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daemonType = "fork";
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# The `PATH=' works around a bug in HAL: it concatenates
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# its libexec directory to $PATH, but using a 512-byte
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# buffer. So if $PATH is too long it fails.
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script = "PATH= exec ${hal}/sbin/hald --use-syslog";
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};
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services.udev.packages = [hal];
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services.dbus.enable = true;
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services.dbus.packages = [hal];
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};
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} |