79 lines
3.0 KiB
Plaintext
79 lines
3.0 KiB
Plaintext
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. /usr/share/acpi-support/power-funcs
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CheckUPowerPolicy() {
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pidof upowerd > /dev/null
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}
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# The (not very aptly named) function CheckPolicy checks if the current X
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# console user is running a power management daemon that handles suspend/resume
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# requests. This is used in various places to determine if we need to handle
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# something ourselves or if we need to pass the info on to a power management
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# daemon (e.g. through a fake key press).
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CheckPolicy() {
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local PMS
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getXconsole
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PMS="/usr/bin/xfce4-power-manager /usr/bin/mate-power-manager /usr/lib/dalston/dalston-power-applet"
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pidof -x $PMS > /dev/null ||
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PowerDevilRunning ||
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GnomeSettingsDaemonPowerRunning
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}
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# Find a DBUS session bus, by looking at the given process' environment and
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# then send a message to that bus. If multiple processes match the given name,
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# the message is sent to all of the buses (and output is simply concatenated.
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DBusSend() {
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# The process to get the DBUS session address from
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local PROC_NAME="$1"
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# Parameters for dbus-send
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local DEST="$2"
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local DBUS_PATH="$3"
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local METHOD="$4"
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local DBUS_SESS
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getXuser
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if test "$XUSER" != "" && test -x /usr/bin/dbus-send; then
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serverpid=$(pgrep -n -u "$XUSER" "$PROC_NAME")
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if test "$serverpid" != ""; then
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DBUS_SESS=$(su - "$XUSER" -c "grep -a -z DBUS_SESSION_BUS_ADDRESS /proc/$serverpid/environ || :")
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if test "$DBUS_SESS" != "" && su - "$XUSER" -s /bin/sh -c "export \"$DBUS_SESS\"; dbus-send --print-reply --dest='$DEST' '$DBUS_PATH' '$METHOD' >/dev/null 2>&1"; then
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return 0
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fi
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fi
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fi
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}
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# Check if systemd-logind will be able to call org.freedesktop.systemd1.Manager
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# interface provided by systemd running as PID 1 or by systemd-shim
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HasLogindAndSystemd1Manager() {
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pidof -x "/lib/systemd/systemd-logind" > /dev/null &&
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test -x /usr/bin/dbus-send &&
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# shutdown.target used as a representative of power management calls class
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dbus-send --print-reply --system --type=method_call \
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--dest=org.freedesktop.systemd1 \
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/org/freedesktop/systemd1 \
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org.freedesktop.systemd1.Manager.GetUnitFileState string:shutdown.target \
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> /dev/null 2>&1
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}
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# Ask kde if the powerdevil module is loaded
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PowerDevilRunning() {
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DBusSend kded4 org.kde.kded /kded org.kde.kded.loadedModules | grep -q powerdevil
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}
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# gnome-power-manager was integrated into gnome-settings-daemon from version
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# 3.1.4, in a new Power plugin (though the handling of buttons is done in the
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# MediaKeys plugin.
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#
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# gnome-settings-daemon does not export a list of loaded plugins, but
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# fortunately the Power plugin does have its own Dbus interface we can check
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# for (We can't check the MediaKeys plugin, since that has been around for
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# longer).
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GnomeSettingsDaemonPowerRunning() {
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# only check for gnome-settings- instead of gnome-settings-daemon
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# because /proc/<pid>/stat only lists the first 15 characters
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DBusSend gnome-settings- org.gnome.SettingsDaemon /org/gnome/SettingsDaemon/Power org.freedesktop.DBus.Introspectable.Introspect | grep -q 'interface name="org.gnome.SettingsDaemon.Power"'
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}
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