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systemd-logind: Add systemd-logind "core" 

This commits add the bulk of the systemd-logind integration code, but does
not hook it up yet other then calling its init and fini functions, which
don't do that much.

Note the configure bits check for udev since systemd-logind use will only be
supported in combination with udev. Besides that it only checks for dbus
since all communication with systemd-logind is happening over dbus, so
no further libs are needed.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Hans de Goede 2014-01-07 12:15:12 +01:00
parent 5fb641a29b
commit 82863656ec
9 changed files with 611 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
configure.ac
View File

@ -626,6 +626,7 @@ AC_ARG_ENABLE(clientids, AS_HELP_STRING([--disable-clientids], [Build Xorg
AC_ARG_ENABLE(pciaccess, AS_HELP_STRING([--enable-pciaccess], [Build Xorg with pciaccess library (default: enabled)]), [PCI=$enableval], [PCI=yes])
AC_ARG_ENABLE(linux_acpi, AS_HELP_STRING([--disable-linux-acpi], [Disable building ACPI support on Linux (if available).]), [enable_linux_acpi=$enableval], [enable_linux_acpi=yes])
AC_ARG_ENABLE(linux_apm, AS_HELP_STRING([--disable-linux-apm], [Disable building APM support on Linux (if available).]), [enable_linux_apm=$enableval], [enable_linux_apm=yes])
AC_ARG_ENABLE(systemd-logind, AC_HELP_STRING([--enable-systemd-logind], [Build systemd-logind support (default: auto)]), [SYSTEMD_LOGIND=$enableval], [SYSTEMD_LOGIND=auto])
dnl DDXes.
AC_ARG_ENABLE(xorg, AS_HELP_STRING([--enable-xorg], [Build Xorg server (default: auto)]), [XORG=$enableval], [XORG=auto])
@ -901,6 +902,26 @@ if test "x$CONFIG_HAL" = xyes; then
fi
AM_CONDITIONAL(CONFIG_HAL, [test "x$CONFIG_HAL" = xyes])
if test "x$SYSTEMD_LOGIND" = xauto; then
if test "x$HAVE_DBUS" = xyes -a "x$CONFIG_UDEV" = xyes ; then
SYSTEMD_LOGIND=yes
else
SYSTEMD_LOGIND=no
fi
fi
if test "x$SYSTEMD_LOGIND" = xyes; then
if ! test "x$HAVE_DBUS" = xyes; then
AC_MSG_ERROR([systemd-logind requested, but D-Bus is not installed.])
fi
if ! test "x$CONFIG_UDEV" = xyes ; then
AC_MSG_ERROR([systemd-logind is only supported in combination with udev configuration.])
fi
AC_DEFINE(SYSTEMD_LOGIND, 1, [Enable systemd-logind integration])
NEED_DBUS="yes"
fi
AM_CONDITIONAL(SYSTEMD_LOGIND, [test "x$SYSTEMD_LOGIND" = xyes])
if test "x$NEED_DBUS" = xyes; then
AC_DEFINE(NEED_DBUS, 1, [Enable D-Bus core])
fi

3
hw/xfree86/common/xf86Init.c
View File

@ -54,6 +54,7 @@
#include "site.h"
#include "mi.h"
#include "dbus-core.h"
#include "systemd-logind.h"
#include "compiler.h"
@ -458,6 +459,7 @@ InitOutput(ScreenInfo * pScreenInfo, int argc, char **argv)
DoShowOptions();
dbus_core_init();
systemd_logind_init();
/* Do a general bus probe. This will be a PCI probe for x86 platforms */
xf86BusProbe();
@ -1062,6 +1064,7 @@ ddxGiveUp(enum ExitCode error)
if (xorgHWOpenConsole)
xf86CloseConsole();
systemd_logind_fini();
dbus_core_fini();
xf86CloseLog(error);

2
hw/xfree86/common/xf86platformBus.c
View File

@ -52,7 +52,7 @@ int platformSlotClaimed;
int xf86_num_platform_devices;
static struct xf86_platform_device *xf86_platform_devices;
struct xf86_platform_device *xf86_platform_devices;
int
xf86_add_platform_device(struct OdevAttributes *attribs, Bool unowned)

2
hw/xfree86/common/xf86platformBus.h
View File

@ -36,12 +36,14 @@ struct xf86_platform_device {
/* xf86_platform_device flags */
#define XF86_PDEV_UNOWNED 0x01
#define XF86_PDEV_SERVER_FD 0x02
#define XF86_PDEV_PAUSED 0x04
#ifdef XSERVER_PLATFORM_BUS
int xf86platformProbe(void);
int xf86platformProbeDev(DriverPtr drvp);
extern int xf86_num_platform_devices;
extern struct xf86_platform_device *xf86_platform_devices;
extern char *
xf86_get_platform_attrib(int index, int attrib_id);

6
hw/xfree86/os-support/linux/Makefile.am
View File

@ -21,6 +21,11 @@ APM_SRCS = lnx_apm.c
XORG_CFLAGS += -DHAVE_APM
endif
if SYSTEMD_LOGIND
LOGIND_SRCS = systemd-logind.c
XORG_CFLAGS += $(DBUS_CFLAGS)
endif
liblinux_la_SOURCES = lnx_init.c lnx_video.c \
lnx_agp.c lnx_kmod.c lnx_bell.c lnx_platform.c \
$(srcdir)/../shared/bios_mmap.c \
@ -30,6 +35,7 @@ liblinux_la_SOURCES = lnx_init.c lnx_video.c \
$(srcdir)/../shared/sigio.c \
$(ACPI_SRCS) \
$(APM_SRCS) \
$(LOGIND_SRCS) \
$(PLATFORM_PCI_SUPPORT)
AM_CFLAGS = -DUSESTDRES -DHAVE_SYSV_IPC $(DIX_CFLAGS) $(XORG_CFLAGS) $(PLATFORM_DEFINES)

529
hw/xfree86/os-support/linux/systemd-logind.c Normal file
View File

@ -0,0 +1,529 @@
/*
* Copyright © 2013 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Author: Hans de Goede <hdegoede@redhat.com>
*/
#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#include <dbus/dbus.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#include "os.h"
#include "dbus-core.h"
#include "xf86.h"
#include "xf86platformBus.h"
#include "xf86Xinput.h"
#include "systemd-logind.h"
#define DBUS_TIMEOUT 500 /* Wait max 0.5 seconds */
struct systemd_logind_info {
DBusConnection *conn;
char *session;
Bool active;
Bool vt_active;
};
static struct systemd_logind_info logind_info;
int
systemd_logind_take_fd(int _major, int _minor, const char *path,
Bool *paused_ret)
{
struct systemd_logind_info *info = &logind_info;
DBusError error;
DBusMessage *msg = NULL;
DBusMessage *reply = NULL;
dbus_int32_t major = _major;
dbus_int32_t minor = _minor;
dbus_bool_t paused;
int fd = -1;
if (!info->session || major == 0)
return -1;
/* logind does not support mouse devs (with evdev we don't need them) */
if (strstr(path, "mouse"))
return -1;
dbus_error_init(&error);
msg = dbus_message_new_method_call("org.freedesktop.login1", info->session,
"org.freedesktop.login1.Session", "TakeDevice");
if (!msg) {
LogMessage(X_ERROR, "systemd-logind: out of memory\n");
goto cleanup;
}
if (!dbus_message_append_args(msg, DBUS_TYPE_UINT32, &major,
DBUS_TYPE_UINT32, &minor,
DBUS_TYPE_INVALID)) {
LogMessage(X_ERROR, "systemd-logind: out of memory\n");
goto cleanup;
}
reply = dbus_connection_send_with_reply_and_block(info->conn, msg,
DBUS_TIMEOUT, &error);
if (!reply) {
LogMessage(X_ERROR, "systemd-logind: failed to take device %s: %s\n",
path, error.message);
goto cleanup;
}
if (!dbus_message_get_args(reply, &error,
DBUS_TYPE_UNIX_FD, &fd,
DBUS_TYPE_BOOLEAN, &paused,
DBUS_TYPE_INVALID)) {
LogMessage(X_ERROR, "systemd-logind: TakeDevice %s: %s\n",
path, error.message);
goto cleanup;
}
*paused_ret = paused;
LogMessage(X_INFO, "systemd-logind: got fd for %s %u:%u fd %d paused %d\n",
path, major, minor, fd, paused);
cleanup:
if (msg)
dbus_message_unref(msg);
if (reply)
dbus_message_unref(reply);
dbus_error_free(&error);
return fd;
}
void
systemd_logind_release_fd(int _major, int _minor)
{
struct systemd_logind_info *info = &logind_info;
DBusError error;
DBusMessage *msg = NULL;
DBusMessage *reply = NULL;
dbus_int32_t major = _major;
dbus_int32_t minor = _minor;
if (!info->session || major == 0)
return;
dbus_error_init(&error);
msg = dbus_message_new_method_call("org.freedesktop.login1", info->session,
"org.freedesktop.login1.Session", "ReleaseDevice");
if (!msg) {
LogMessage(X_ERROR, "systemd-logind: out of memory\n");
goto cleanup;
}
if (!dbus_message_append_args(msg, DBUS_TYPE_UINT32, &major,
DBUS_TYPE_UINT32, &minor,
DBUS_TYPE_INVALID)) {
LogMessage(X_ERROR, "systemd-logind: out of memory\n");
goto cleanup;
}
reply = dbus_connection_send_with_reply_and_block(info->conn, msg,
DBUS_TIMEOUT, &error);
if (!reply)
LogMessage(X_ERROR, "systemd-logind: failed to release device: %s\n",
error.message);
cleanup:
if (msg)
dbus_message_unref(msg);
if (reply)
dbus_message_unref(reply);
dbus_error_free(&error);
}
int
systemd_logind_controls_session(void)
{
return logind_info.session ? 1 : 0;
}
void
systemd_logind_vtenter(void)
{
struct systemd_logind_info *info = &logind_info;
InputInfoPtr pInfo;
int i;
if (!info->session)
return; /* Not using systemd-logind */
if (!info->active)
return; /* Session not active */
if (info->vt_active)
return; /* Already did vtenter */
for (i = 0; i < xf86_num_platform_devices; i++) {
if (xf86_platform_devices[i].flags & XF86_PDEV_PAUSED)
break;
}
if (i != xf86_num_platform_devices)
return; /* Some drm nodes are still paused wait for resume */
xf86VTEnter();
info->vt_active = TRUE;
/* Activate any input devices which were resumed before the drm nodes */
for (pInfo = xf86InputDevs; pInfo; pInfo = pInfo->next)
if ((pInfo->flags & XI86_SERVER_FD) && pInfo->fd != -1)
xf86EnableInputDeviceForVTSwitch(pInfo);
}
static InputInfoPtr
systemd_logind_find_info_ptr_by_devnum(int major, int minor)
{
InputInfoPtr pInfo;
for (pInfo = xf86InputDevs; pInfo; pInfo = pInfo->next)
if (pInfo->major == major && pInfo->minor == minor &&
(pInfo->flags & XI86_SERVER_FD))
return pInfo;
return NULL;
}
static void
systemd_logind_ack_pause(struct systemd_logind_info *info,
dbus_int32_t minor, dbus_int32_t major)
{
DBusError error;
DBusMessage *msg = NULL;
DBusMessage *reply = NULL;
dbus_error_init(&error);
msg = dbus_message_new_method_call("org.freedesktop.login1", info->session,
"org.freedesktop.login1.Session", "PauseDeviceComplete");
if (!msg) {
LogMessage(X_ERROR, "systemd-logind: out of memory\n");
goto cleanup;
}
if (!dbus_message_append_args(msg, DBUS_TYPE_UINT32, &major,
DBUS_TYPE_UINT32, &minor,
DBUS_TYPE_INVALID)) {
LogMessage(X_ERROR, "systemd-logind: out of memory\n");
goto cleanup;
}
reply = dbus_connection_send_with_reply_and_block(info->conn, msg,
DBUS_TIMEOUT, &error);
if (!reply)
LogMessage(X_ERROR, "systemd-logind: failed to ack pause: %s\n",
error.message);
cleanup:
if (msg)
dbus_message_unref(msg);
if (reply)
dbus_message_unref(reply);
dbus_error_free(&error);
}
static DBusHandlerResult
message_filter(DBusConnection * connection, DBusMessage * message, void *data)
{
struct systemd_logind_info *info = data;
struct xf86_platform_device *pdev = NULL;
InputInfoPtr pInfo = NULL;
int ack = 0, pause = 0, fd = -1;
DBusError error;
dbus_int32_t major, minor;
char *pause_str;
if (strcmp(dbus_message_get_path(message), info->session) != 0)
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
dbus_error_init(&error);
if (dbus_message_is_signal(message, "org.freedesktop.login1.Session",
"PauseDevice")) {
if (!dbus_message_get_args(message, &error,
DBUS_TYPE_UINT32, &major,
DBUS_TYPE_UINT32, &minor,
DBUS_TYPE_STRING, &pause_str,
DBUS_TYPE_INVALID)) {
LogMessage(X_ERROR, "systemd-logind: PauseDevice: %s\n",
error.message);
dbus_error_free(&error);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
if (strcmp(pause_str, "pause") == 0) {
pause = 1;
ack = 1;
}
else if (strcmp(pause_str, "force") == 0) {
pause = 1;
}
else if (strcmp(pause_str, "gone") == 0) {
/* Device removal is handled through udev */
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
else {
LogMessage(X_WARNING, "systemd-logind: unknown pause type: %s\n",
pause_str);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
}
else if (dbus_message_is_signal(message, "org.freedesktop.login1.Session",
"ResumeDevice")) {
if (!dbus_message_get_args(message, &error,
DBUS_TYPE_UINT32, &major,
DBUS_TYPE_UINT32, &minor,
DBUS_TYPE_UNIX_FD, &fd,
DBUS_TYPE_INVALID)) {
LogMessage(X_ERROR, "systemd-logind: ResumeDevice: %s\n",
error.message);
dbus_error_free(&error);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
} else
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
LogMessage(X_INFO, "systemd-logind: got %s for %u:%u\n",
pause ? "pause" : "resume", major, minor);
pdev = xf86_find_platform_device_by_devnum(major, minor);
if (!pdev)
pInfo = systemd_logind_find_info_ptr_by_devnum(major, minor);
if (!pdev && !pInfo) {
LogMessage(X_WARNING, "systemd-logind: could not find dev %u:%u\n",
major, minor);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
if (pause) {
/* Our VT_PROCESS usage guarantees we've already given up the vt */
info->active = info->vt_active = FALSE;
/* Note the actual vtleave has already been handled by xf86Events.c */
if (pdev)
pdev->flags |= XF86_PDEV_PAUSED;
else {
close(pInfo->fd);
pInfo->fd = -1;
pInfo->options = xf86ReplaceIntOption(pInfo->options, "fd", -1);
}
if (ack)
systemd_logind_ack_pause(info, major, minor);
}
else {
/* info->vt_active gets set by systemd_logind_vtenter() */
info->active = TRUE;
if (pdev) {
pdev->flags &= ~XF86_PDEV_PAUSED;
systemd_logind_vtenter();
}
else {
pInfo->fd = fd;
pInfo->options = xf86ReplaceIntOption(pInfo->options, "fd", fd);
if (info->vt_active)
xf86EnableInputDeviceForVTSwitch(pInfo);
}
}
return DBUS_HANDLER_RESULT_HANDLED;
}
static void
connect_hook(DBusConnection *connection, void *data)
{
struct systemd_logind_info *info = data;
DBusError error;
DBusMessage *msg = NULL;
DBusMessage *reply = NULL;
dbus_int32_t arg;
char *session = NULL;
dbus_error_init(&error);
msg = dbus_message_new_method_call("org.freedesktop.login1",
"/org/freedesktop/login1", "org.freedesktop.login1.Manager",
"GetSessionByPID");
if (!msg) {
LogMessage(X_ERROR, "systemd-logind: out of memory\n");
goto cleanup;
}
arg = getpid();
if (!dbus_message_append_args(msg, DBUS_TYPE_UINT32, &arg,
DBUS_TYPE_INVALID)) {
LogMessage(X_ERROR, "systemd-logind: out of memory\n");
goto cleanup;
}
reply = dbus_connection_send_with_reply_and_block(connection, msg,
DBUS_TIMEOUT, &error);
if (!reply) {
LogMessage(X_ERROR, "systemd-logind: failed to get session: %s\n",
error.message);
goto cleanup;
}
dbus_message_unref(msg);
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &session,
DBUS_TYPE_INVALID)) {
LogMessage(X_ERROR, "systemd-logind: GetSessionByPID: %s\n",
error.message);
goto cleanup;
}
session = XNFstrdup(session);
dbus_message_unref(reply);
reply = NULL;
msg = dbus_message_new_method_call("org.freedesktop.login1",
session, "org.freedesktop.login1.Session", "TakeControl");
if (!msg) {
LogMessage(X_ERROR, "systemd-logind: out of memory\n");
goto cleanup;
}
arg = FALSE; /* Don't forcibly take over over the session */
if (!dbus_message_append_args(msg, DBUS_TYPE_BOOLEAN, &arg,
DBUS_TYPE_INVALID)) {
LogMessage(X_ERROR, "systemd-logind: out of memory\n");
goto cleanup;
}
reply = dbus_connection_send_with_reply_and_block(connection, msg,
DBUS_TIMEOUT, &error);
if (!reply) {
LogMessage(X_ERROR, "systemd-logind: TakeControl failed: %s\n",
error.message);
goto cleanup;
}
/*
* HdG: This is not useful with systemd <= 208 since the signal only
* contains invalidated property names there, rather than property, val
* pairs as it should. Instead we just use the first resume / pause now.
*/
#if 0
snprintf(match, sizeof(match),
"type='signal',sender='org.freedesktop.login1',interface='org.freedesktop.DBus.Properties',member='PropertiesChanged',path='%s'",
session);
dbus_bus_add_match(connection, match, &error);
if (dbus_error_is_set(&error)) {
LogMessage(X_ERROR, "systemd-logind: could not add match: %s\n",
error.message);
goto cleanup;
}
#endif
if (!dbus_connection_add_filter(connection, message_filter, info, NULL)) {
LogMessage(X_ERROR, "systemd-logind: could not add filter: %s\n",
error.message);
goto cleanup;
}
LogMessage(X_INFO, "systemd-logind: took control of session %s\n",
session);
info->conn = connection;
info->session = session;
info->vt_active = info->active = TRUE; /* The server owns the vt during init */
session = NULL;
cleanup:
free(session);
if (msg)
dbus_message_unref(msg);
if (reply)
dbus_message_unref(reply);
dbus_error_free(&error);
}
static void
systemd_logind_release_control(struct systemd_logind_info *info)
{
DBusError error;
DBusMessage *msg = NULL;
DBusMessage *reply = NULL;
dbus_error_init(&error);
msg = dbus_message_new_method_call("org.freedesktop.login1",
info->session, "org.freedesktop.login1.Session", "ReleaseControl");
if (!msg) {
LogMessage(X_ERROR, "systemd-logind: out of memory\n");
goto cleanup;
}
reply = dbus_connection_send_with_reply_and_block(info->conn, msg,
DBUS_TIMEOUT, &error);
if (!reply) {
LogMessage(X_ERROR, "systemd-logind: ReleaseControl failed: %s\n",
error.message);
goto cleanup;
}
cleanup:
if (msg)
dbus_message_unref(msg);
if (reply)
dbus_message_unref(reply);
dbus_error_free(&error);
}
static void
disconnect_hook(void *data)
{
struct systemd_logind_info *info = data;
free(info->session);
info->session = NULL;
info->conn = NULL;
}
static struct dbus_core_hook core_hook = {
.connect = connect_hook,
.disconnect = disconnect_hook,
.data = &logind_info,
};
int
systemd_logind_init(void)
{
return dbus_core_add_hook(&core_hook);
}
void
systemd_logind_fini(void)
{
if (logind_info.session)
systemd_logind_release_control(&logind_info);
dbus_core_remove_hook(&core_hook);
}

1
include/Makefile.am
View File

@ -72,4 +72,5 @@ EXTRA_DIST = \
dix-config-apple-verbatim.h \
dixfontstubs.h eventconvert.h eventstr.h inpututils.h \
protocol-versions.h \
systemd-logind.h \
xsha1.h

3
include/dix-config.h.in
View File

@ -420,6 +420,9 @@
/* Support HAL for hotplug */
#undef CONFIG_HAL
/* Enable systemd-logind integration */
#undef SYSTEMD_LOGIND 1
/* Have a monotonic clock from clock_gettime() */
#undef MONOTONIC_CLOCK

45
include/systemd-logind.h Normal file
View File

@ -0,0 +1,45 @@
/*
* Copyright © 2013 Red Hat, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Author: Hans de Goede <hdegoede@redhat.com>
*/
#ifndef SYSTEMD_LOGIND_H
#define SYSTEMD_LOGIND_H
#ifdef SYSTEMD_LOGIND
int systemd_logind_init(void);
void systemd_logind_fini(void);
int systemd_logind_take_fd(int major, int minor, const char *path, Bool *paus);
void systemd_logind_release_fd(int major, int minor);
int systemd_logind_controls_session(void);
void systemd_logind_vtenter(void);
#else
#define systemd_logind_init()
#define systemd_logind_fini()
#define systemd_logind_take_fd(major, minor, path) -1
#define systemd_logind_release_fd(dev)
#define systemd_logind_controls_session() 0
#define systemd_logind_vtenter()
#endif
#endif