/**
* udisks_daemon_util_uninhibit_system_sync:
* @cookie: %NULL or a cookie obtained from udisks_daemon_util_inhibit_system_sync().
*
* Does nothing if @cookie is %NULL, otherwise uninhibits.
*/
void
udisks_daemon_util_uninhibit_system_sync (UDisksInhibitCookie *cookie)
{
#ifdef HAVE_LIBSYSTEMD_LOGIN
if (cookie != NULL)
{
g_assert (cookie->magic == 0xdeadbeef);
if (close (cookie->fd) != 0)
{
udisks_error ("Error closing inhbit-fd: %m");
}
g_free (cookie);
}
#else
/* non-systemd: check dummy pointer */
g_warn_if_fail (cookie == (UDisksInhibitCookie* ) &udisks_daemon_util_inhibit_system_sync);
#endif
}
gpointer
udisks_module_init (UDisksDaemon *daemon)
{
gboolean ret = FALSE;
GError *error = NULL;
BDPluginSpec lvm_plugin = {BD_PLUGIN_LVM, "libbd_lvm.so.2"};
BDPluginSpec *plugins[] = {&lvm_plugin, NULL};
if (!bd_is_plugin_available (BD_PLUGIN_LVM))
{
ret = bd_reinit (plugins, FALSE, NULL, &error);
if (!ret)
{
udisks_error ("Error initializing the lvm libblockdev plugin: %s (%s, %d)",
error->message, g_quark_to_string (error->domain), error->code);
g_clear_error (&error);
/* XXX: can do nothing more here even though we know the module will be unusable! */
}
}
return udisks_lvm2_state_new (daemon);
}
gpointer
udisks_module_init (UDisksDaemon *daemon)
{
gboolean ret = FALSE;
GError *error = NULL;
/* NULL means no specific so_name (implementation) */
BDPluginSpec kbd_plugin = {BD_PLUGIN_KBD, NULL};
BDPluginSpec *plugins[] = {&kbd_plugin, NULL};
if (!bd_is_plugin_available (BD_PLUGIN_KBD))
{
ret = bd_reinit (plugins, FALSE, NULL, &error);
if (!ret)
{
udisks_error ("Error initializing the kbd libblockdev plugin: %s (%s, %d)",
error->message, g_quark_to_string (error->domain), error->code);
g_clear_error (&error);
/* XXX: can do nothing more here even though we know the module will be unusable! */
}
}
return udisks_bcache_state_new (daemon);
}
/**
* udisks_daemon_util_inhibit_system_sync:
* @reason: A human readable explanation of why the system is being inhibited.
*
* Tries to inhibit the system.
*
* Right now only
* <ulink url="http://www.freedesktop.org/wiki/Software/systemd/inhibit">systemd</ulink>
* inhibitors are supported but other inhibitors can be added in the future.
*
* Returns: A cookie that can be used with udisks_daemon_util_uninhibit_system_sync().
*/
UDisksInhibitCookie *
udisks_daemon_util_inhibit_system_sync (const gchar *reason)
{
#ifdef HAVE_LIBSYSTEMD_LOGIN
UDisksInhibitCookie *ret = NULL;
GDBusConnection *connection = NULL;
GVariant *value = NULL;
GUnixFDList *fd_list = NULL;
gint32 index = -1;
GError *error = NULL;
g_return_val_if_fail (reason != NULL, NULL);
connection = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, &error);
if (connection == NULL)
{
udisks_error ("Error getting system bus: %s (%s, %d)",
error->message, g_quark_to_string (error->domain), error->code);
g_clear_error (&error);
goto out;
}
value = g_dbus_connection_call_with_unix_fd_list_sync (connection,
"org.freedesktop.login1",
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
"Inhibit",
g_variant_new ("(ssss)",
"sleep:shutdown:idle", /* what */
"Disk Manager", /* who */
reason, /* why */
"block"), /* mode */
G_VARIANT_TYPE ("(h)"),
G_DBUS_CALL_FLAGS_NONE,
-1, /* default timeout */
NULL, /* fd_list */
&fd_list, /* out_fd_list */
NULL, /* GCancellable */
&error);
if (value == NULL)
{
udisks_error ("Error inhibiting: %s (%s, %d)",
error->message, g_quark_to_string (error->domain), error->code);
g_clear_error (&error);
goto out;
}
g_variant_get (value, "(h)", &index);
g_assert (index >= 0 && index < g_unix_fd_list_get_length (fd_list));
ret = g_new0 (UDisksInhibitCookie, 1);
ret->magic = 0xdeadbeef;
ret->fd = g_unix_fd_list_get (fd_list, index, &error);
if (ret->fd == -1)
{
udisks_error ("Error getting fd: %s (%s, %d)",
error->message, g_quark_to_string (error->domain), error->code);
g_clear_error (&error);
g_free (ret);
ret = NULL;
goto out;
}
out:
if (value != NULL)
g_variant_unref (value);
g_clear_object (&fd_list);
g_clear_object (&connection);
return ret;
#else
/* non-systemd: just return a dummy pointer */
g_return_val_if_fail (reason != NULL, NULL);
return (UDisksInhibitCookie* ) &udisks_daemon_util_inhibit_system_sync;
#endif
}
