+#endif
+
+#ifdef G_OS_WIN32
+
+#define DBUS_DAEMON_ADDRESS_INFO "DBusDaemonAddressInfo"
+#define DBUS_DAEMON_MUTEX "DBusDaemonMutex"
+#define UNIQUE_DBUS_INIT_MUTEX "UniqueDBusInitMutex"
+#define DBUS_AUTOLAUNCH_MUTEX "DBusAutolaunchMutex"
+
+static void
+release_mutex (HANDLE mutex)
+{
+ ReleaseMutex (mutex);
+ CloseHandle (mutex);
+}
+
+static HANDLE
+acquire_mutex (const char *mutexname)
+{
+ HANDLE mutex;
+ DWORD res;
+
+ mutex = CreateMutexA (NULL, FALSE, mutexname);
+ if (!mutex)
+ return 0;
+
+ res = WaitForSingleObject (mutex, INFINITE);
+ switch (res)
+ {
+ case WAIT_ABANDONED:
+ release_mutex (mutex);
+ return 0;
+ case WAIT_FAILED:
+ case WAIT_TIMEOUT:
+ return 0;
+ }
+
+ return mutex;
+}
+
+static gboolean
+is_mutex_owned (const char *mutexname)
+{
+ HANDLE mutex;
+ gboolean res = FALSE;
+
+ mutex = CreateMutexA (NULL, FALSE, mutexname);
+ if (WaitForSingleObject (mutex, 10) == WAIT_TIMEOUT)
+ res = TRUE;
+ else
+ ReleaseMutex (mutex);
+ CloseHandle (mutex);
+
+ return res;
+}
+
+static char *
+read_shm (const char *shm_name)
+{
+ HANDLE shared_mem;
+ char *shared_data;
+ char *res;
+ int i;
+
+ res = NULL;
+
+ for (i = 0; i < 20; i++)
+ {
+ shared_mem = OpenFileMappingA (FILE_MAP_READ, FALSE, shm_name);
+ if (shared_mem != 0)
+ break;
+ Sleep (100);
+ }
+
+ if (shared_mem != 0)
+ {
+ shared_data = MapViewOfFile (shared_mem, FILE_MAP_READ, 0, 0, 0);
+ if (shared_data != NULL)
+ {
+ res = g_strdup (shared_data);
+ UnmapViewOfFile (shared_data);
+ }
+ CloseHandle (shared_mem);
+ }
+
+ return res;
+}
+
+static HANDLE
+set_shm (const char *shm_name, const char *value)
+{
+ HANDLE shared_mem;
+ char *shared_data;
+
+ shared_mem = CreateFileMappingA (INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE,
+ 0, strlen (value) + 1, shm_name);
+ if (shared_mem == 0)
+ return 0;
+
+ shared_data = MapViewOfFile (shared_mem, FILE_MAP_WRITE, 0, 0, 0 );
+ if (shared_data == NULL)
+ return 0;
+
+ strcpy (shared_data, value);
+
+ UnmapViewOfFile (shared_data);
+
+ return shared_mem;
+}
+
+/* These keep state between publish_session_bus and unpublish_session_bus */
+static HANDLE published_daemon_mutex;
+static HANDLE published_shared_mem;
+
+static gboolean
+publish_session_bus (const char *address)
+{
+ HANDLE init_mutex;
+
+ init_mutex = acquire_mutex (UNIQUE_DBUS_INIT_MUTEX);
+
+ published_daemon_mutex = CreateMutexA (NULL, FALSE, DBUS_DAEMON_MUTEX);
+ if (WaitForSingleObject (published_daemon_mutex, 10 ) != WAIT_OBJECT_0)
+ {
+ release_mutex (init_mutex);
+ CloseHandle (published_daemon_mutex);
+ published_daemon_mutex = NULL;
+ return FALSE;
+ }
+
+ published_shared_mem = set_shm (DBUS_DAEMON_ADDRESS_INFO, address);
+ if (!published_shared_mem)
+ {
+ release_mutex (init_mutex);
+ CloseHandle (published_daemon_mutex);
+ published_daemon_mutex = NULL;
+ return FALSE;
+ }
+
+ release_mutex (init_mutex);
+ return TRUE;
+}
+
+static void
+unpublish_session_bus (void)
+{
+ HANDLE init_mutex;
+
+ init_mutex = acquire_mutex (UNIQUE_DBUS_INIT_MUTEX);
+
+ CloseHandle (published_shared_mem);
+ published_shared_mem = NULL;
+
+ release_mutex (published_daemon_mutex);
+ published_daemon_mutex = NULL;
+
+ release_mutex (init_mutex);
+}
+
+static void
+wait_console_window (void)
+{
+ FILE *console = fopen ("CONOUT$", "w");
+
+ SetConsoleTitleW (L"gdbus-daemon output. Type any character to close this window.");
+ fprintf (console, _("(Type any character to close this window)\n"));
+ fflush (console);
+ _getch ();
+}
+
+static void
+open_console_window (void)
+{
+ if (((HANDLE) _get_osfhandle (fileno (stdout)) == INVALID_HANDLE_VALUE ||
+ (HANDLE) _get_osfhandle (fileno (stderr)) == INVALID_HANDLE_VALUE) && AllocConsole ())
+ {
+ if ((HANDLE) _get_osfhandle (fileno (stdout)) == INVALID_HANDLE_VALUE)
+ freopen ("CONOUT$", "w", stdout);
+
+ if ((HANDLE) _get_osfhandle (fileno (stderr)) == INVALID_HANDLE_VALUE)
+ freopen ("CONOUT$", "w", stderr);
+
+ SetConsoleTitleW (L"gdbus-daemon debug output.");
+
+ atexit (wait_console_window);
+ }
+}
+static void
+idle_timeout_cb (GDBusDaemon *daemon, gpointer user_data)
+{
+ GMainLoop *loop = user_data;
+ g_main_loop_quit (loop);
+}
+
+__declspec(dllexport) void CALLBACK g_win32_run_session_bus (HWND hwnd, HINSTANCE hinst, char *cmdline, int nCmdShow);
+
+__declspec(dllexport) void CALLBACK
+g_win32_run_session_bus (HWND hwnd, HINSTANCE hinst, char *cmdline, int nCmdShow)
+{
+ GDBusDaemon *daemon;
+ GMainLoop *loop;
+ const char *address;
+ GError *error = NULL;
+
+ if (g_getenv ("GDBUS_DAEMON_DEBUG") != NULL)
+ open_console_window ();
+
+ loop = g_main_loop_new (NULL, FALSE);
+
+ address = "nonce-tcp:";
+ daemon = _g_dbus_daemon_new (address, NULL, &error);
+ if (daemon == NULL)
+ {
+ g_printerr ("Can't init bus: %s\n", error->message);
+ return;
+ }
+
+ g_signal_connect (daemon, "idle-timeout", G_CALLBACK (idle_timeout_cb), loop);
+
+ if ( publish_session_bus (_g_dbus_daemon_get_address (daemon)))
+ {
+ g_main_loop_run (loop);
+
+ unpublish_session_bus ();
+ }
+
+ g_main_loop_unref (loop);
+ g_object_unref (daemon);
+}
+
+static gchar *
+get_session_address_dbus_launch (GError **error)
+{
+ HANDLE autolaunch_mutex, init_mutex;
+ char *address = NULL;
+ wchar_t gio_path[MAX_PATH+1+200];
+
+ autolaunch_mutex = acquire_mutex (DBUS_AUTOLAUNCH_MUTEX);
+
+ init_mutex = acquire_mutex (UNIQUE_DBUS_INIT_MUTEX);
+
+ if (is_mutex_owned (DBUS_DAEMON_MUTEX))
+ address = read_shm (DBUS_DAEMON_ADDRESS_INFO);
+
+ release_mutex (init_mutex);
+
+ if (address == NULL)
+ {
+ gio_path[MAX_PATH] = 0;
+ if (GetModuleFileNameW (_g_io_win32_get_module (), gio_path, MAX_PATH))
+ {
+ PROCESS_INFORMATION pi = { 0 };
+ STARTUPINFOW si = { 0 };
+ BOOL res;
+ wchar_t gio_path_short[MAX_PATH];
+ wchar_t rundll_path[MAX_PATH*2];
+ wchar_t args[MAX_PATH*4];
+
+ GetShortPathNameW (gio_path, gio_path_short, MAX_PATH);
+
+ GetWindowsDirectoryW (rundll_path, MAX_PATH);
+ wcscat (rundll_path, L"\\rundll32.exe");
+ if (GetFileAttributesW (rundll_path) == INVALID_FILE_ATTRIBUTES)
+ {
+ GetSystemDirectoryW (rundll_path, MAX_PATH);
+ wcscat (rundll_path, L"\\rundll32.exe");
+ }
+
+ wcscpy (args, L"\"");
+ wcscat (args, rundll_path);
+ wcscat (args, L"\" ");
+ wcscat (args, gio_path_short);
+#if defined(_WIN64) || defined(_M_X64) || defined(_M_AMD64)
+ wcscat (args, L",g_win32_run_session_bus");
+#elif defined (_MSC_VER)
+ wcscat (args, L",_g_win32_run_session_bus@16");
+#else
+ wcscat (args, L",g_win32_run_session_bus@16");
+#endif
+
+ res = CreateProcessW (rundll_path, args,
+ 0, 0, FALSE,
+ NORMAL_PRIORITY_CLASS | CREATE_NO_WINDOW | DETACHED_PROCESS,
+ 0, NULL /* TODO: Should be root */,
+ &si, &pi);
+ if (res)
+ address = read_shm (DBUS_DAEMON_ADDRESS_INFO);
+ }
+ }
+
+ release_mutex (autolaunch_mutex);
+
+ if (address == NULL)
+ g_set_error (error,
+ G_IO_ERROR,
+ G_IO_ERROR_FAILED,
+ _("Session dbus not running, and autolaunch failed"));
+
+ return address;
+}
+#endif