[PATCH 08/12] systemd-logind: Add systemd-logind "core"
Hans de Goede
hdegoede at redhat.com
Wed Jan 15 06:32:22 PST 2014
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.
Signed-off-by: Hans de Goede <hdegoede at redhat.com>
---
configure.ac | 21 ++
hw/xfree86/common/xf86Init.c | 3 +
hw/xfree86/common/xf86platformBus.c | 2 +-
hw/xfree86/common/xf86platformBus.h | 1 +
hw/xfree86/os-support/linux/Makefile.am | 6 +
hw/xfree86/os-support/linux/systemd-logind.c | 493 +++++++++++++++++++++++++++
include/Makefile.am | 1 +
include/dix-config.h.in | 3 +
include/systemd-logind.h | 46 +++
9 files changed, 575 insertions(+), 1 deletion(-)
create mode 100644 hw/xfree86/os-support/linux/systemd-logind.c
create mode 100644 include/systemd-logind.h
diff --git a/configure.ac b/configure.ac
index c277593..cb8d770 100644
--- a/configure.ac
+++ b/configure.ac
@@ -628,6 +628,7 @@ 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=$enableval], [PCI=yes])
AC_ARG_ENABLE(linux_acpi, AC_HELP_STRING([--disable-linux-acpi], [Disable building ACPI support on Linux (if available).]), [enable_linux_acpi=$enableval], [enable_linux_acpi=yes])
AC_ARG_ENABLE(linux_apm, AC_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=$enableval], [XORG=auto])
@@ -902,6 +903,26 @@ if test "x$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
diff --git a/hw/xfree86/common/xf86Init.c b/hw/xfree86/common/xf86Init.c
index 815f679..380a70e 100644
--- a/hw/xfree86/common/xf86Init.c
+++ b/hw/xfree86/common/xf86Init.c
@@ -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);
diff --git a/hw/xfree86/common/xf86platformBus.c b/hw/xfree86/common/xf86platformBus.c
index 993d6a4..1b4b50f 100644
--- a/hw/xfree86/common/xf86platformBus.c
+++ b/hw/xfree86/common/xf86platformBus.c
@@ -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)
diff --git a/hw/xfree86/common/xf86platformBus.h b/hw/xfree86/common/xf86platformBus.h
index 4e17578..b986715 100644
--- a/hw/xfree86/common/xf86platformBus.h
+++ b/hw/xfree86/common/xf86platformBus.h
@@ -37,6 +37,7 @@ 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);
diff --git a/hw/xfree86/os-support/linux/Makefile.am b/hw/xfree86/os-support/linux/Makefile.am
index 83e7e00..1686dc2 100644
--- a/hw/xfree86/os-support/linux/Makefile.am
+++ b/hw/xfree86/os-support/linux/Makefile.am
@@ -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)
diff --git a/hw/xfree86/os-support/linux/systemd-logind.c b/hw/xfree86/os-support/linux/systemd-logind.c
new file mode 100644
index 0000000..f8be375
--- /dev/null
+++ b/hw/xfree86/os-support/linux/systemd-logind.c
@@ -0,0 +1,493 @@
+/*
+ * 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 at redhat.com>
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <dbus/dbus.h>
+#include <string.h>
+#include <sys/types.h>
+#include <systemd/sd-login.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_get_fd(dev_t devnum, const char *path, Bool *paused_ret)
+{
+ struct systemd_logind_info *info = &logind_info;
+ DBusError error;
+ DBusMessage *msg = NULL;
+ DBusMessage *reply = NULL;
+ dbus_int32_t minor = minor(devnum);
+ dbus_int32_t major = major(devnum);
+ dbus_bool_t paused;
+ int fd = -1;
+
+ if (!info->session || devnum == 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_put_fd(dev_t devnum)
+{
+ struct systemd_logind_info *info = &logind_info;
+ DBusError error;
+ DBusMessage *msg = NULL;
+ DBusMessage *reply = NULL;
+ dbus_int32_t minor = minor(devnum);
+ dbus_int32_t major = major(devnum);
+
+ if (!info->session || devnum == 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++) {
+ struct OdevAttributes *attr = xf86_platform_devices[i].attribs;
+ if (attr->server_fd && attr->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->attribs->paused = TRUE;
+ else {
+ close(pInfo->fd);
+ pInfo->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->attribs->paused = FALSE;
+ systemd_logind_vtenter();
+ }
+ else {
+ pInfo->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;
+ 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 then 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
+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)
+{
+ dbus_core_remove_hook(&core_hook);
+}
diff --git a/include/Makefile.am b/include/Makefile.am
index fa6da00..6578038 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -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
diff --git a/include/dix-config.h.in b/include/dix-config.h.in
index caea9b2..4931b9a 100644
--- a/include/dix-config.h.in
+++ b/include/dix-config.h.in
@@ -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
diff --git a/include/systemd-logind.h b/include/systemd-logind.h
new file mode 100644
index 0000000..96ae6db
--- /dev/null
+++ b/include/systemd-logind.h
@@ -0,0 +1,46 @@
+/*
+ * 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 at redhat.com>
+ */
+
+#ifndef SYSTEMD_LOGIND_H
+#define SYSTEMD_LOGIND_H
+
+#include <sys/types.h>
+
+#ifdef SYSTEMD_LOGIND
+int systemd_logind_init(void);
+void systemd_logind_fini(void);
+int systemd_logind_get_fd(dev_t devnum, const char *path, Bool *paused_ret);
+void systemd_logind_put_fd(dev_t devnum);
+int systemd_logind_controls_session(void);
+void systemd_logind_vtenter(void);
+#else
+#define systemd_logind_init()
+#define systemd_logind_fini()
+#define systemd_logind_get_fd(dev) -1
+#define systemd_logind_controls_session() 0
+#define systemd_logind_vtenter()
+#endif
+
+#endif
--
1.8.4.2
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