gio/gunixvolume.c - third_party/glib - Git at Google

 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */

 /* GIO - GLib Input, Output and Streaming Library
  *
  * Copyright (C) 2006-2007 Red Hat, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General
  * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
  *
  * Author: Alexander Larsson <alexl@redhat.com>
  *         David Zeuthen <davidz@redhat.com>
  */

 #include "config.h"

 #include <string.h>
 #include <sys/wait.h>
 #include <unistd.h>

 #include <glib.h>
 #include "gunixvolume.h"
 #include "gunixmount.h"
 #include "gunixmounts.h"
 #include "gthemedicon.h"
 #include "gvolume.h"
 #include "gvolumemonitor.h"
 #include "gtask.h"
 #include "gioerror.h"
 #include "glibintl.h"
 /* for BUFSIZ */
 #include <stdio.h>


 struct _GUnixVolume {
   GObject parent;

   GVolumeMonitor *volume_monitor;
   GUnixMount     *mount; /* owned by volume monitor */

   char *device_path;
   char *mount_path;
   gboolean can_eject;

   char *identifier;
   char *identifier_type;

   char *name;
   GIcon *icon;
   GIcon *symbolic_icon;
 };

 static void g_unix_volume_volume_iface_init (GVolumeIface *iface);

 #define g_unix_volume_get_type _g_unix_volume_get_type
 G_DEFINE_TYPE_WITH_CODE (GUnixVolume, g_unix_volume, G_TYPE_OBJECT,
 			 G_IMPLEMENT_INTERFACE (G_TYPE_VOLUME,
 						g_unix_volume_volume_iface_init))

 static void
 g_unix_volume_finalize (GObject *object)
 {
   GUnixVolume *volume;

   volume = G_UNIX_VOLUME (object);

   if (volume->volume_monitor != NULL)
     g_object_unref (volume->volume_monitor);

   if (volume->mount)
     _g_unix_mount_unset_volume (volume->mount, volume);

   g_object_unref (volume->icon);
   g_object_unref (volume->symbolic_icon);
   g_free (volume->name);
   g_free (volume->mount_path);
   g_free (volume->device_path);
   g_free (volume->identifier);
   g_free (volume->identifier_type);

   G_OBJECT_CLASS (g_unix_volume_parent_class)->finalize (object);
 }

 static void
 g_unix_volume_class_init (GUnixVolumeClass *klass)
 {
   GObjectClass *gobject_class = G_OBJECT_CLASS (klass);

   gobject_class->finalize = g_unix_volume_finalize;
 }

 static void
 g_unix_volume_init (GUnixVolume *unix_volume)
 {
 }

 GUnixVolume *
 _g_unix_volume_new (GVolumeMonitor  *volume_monitor,
                     GUnixMountPoint *mountpoint)
 {
   GUnixVolume *volume;

   if (!(g_unix_mount_point_is_user_mountable (mountpoint) ||
 	g_str_has_prefix (g_unix_mount_point_get_device_path (mountpoint), "/vol/")) ||
       g_unix_mount_point_is_loopback (mountpoint))
     return NULL;

   volume = g_object_new (G_TYPE_UNIX_VOLUME, NULL);
   volume->volume_monitor = volume_monitor != NULL ? g_object_ref (volume_monitor) : NULL;
   volume->mount_path = g_strdup (g_unix_mount_point_get_mount_path (mountpoint));
   volume->device_path = g_strdup (g_unix_mount_point_get_device_path (mountpoint));
   volume->can_eject = g_unix_mount_point_guess_can_eject (mountpoint);

   volume->name = g_unix_mount_point_guess_name (mountpoint);
   volume->icon = g_unix_mount_point_guess_icon (mountpoint);
   volume->symbolic_icon = g_unix_mount_point_guess_symbolic_icon (mountpoint);


   if (strcmp (g_unix_mount_point_get_fs_type (mountpoint), "nfs") == 0)
     {
       volume->identifier_type = g_strdup (G_VOLUME_IDENTIFIER_KIND_NFS_MOUNT);
       volume->identifier = g_strdup (volume->device_path);
     }
   else if (g_str_has_prefix (volume->device_path, "LABEL="))
     {
       volume->identifier_type = g_strdup (G_VOLUME_IDENTIFIER_KIND_LABEL);
       volume->identifier = g_strdup (volume->device_path + 6);
     }
   else if (g_str_has_prefix (volume->device_path, "UUID="))
     {
       volume->identifier_type = g_strdup (G_VOLUME_IDENTIFIER_KIND_UUID);
       volume->identifier = g_strdup (volume->device_path + 5);
     }
   else if (g_path_is_absolute (volume->device_path))
     {
       volume->identifier_type = g_strdup (G_VOLUME_IDENTIFIER_KIND_UNIX_DEVICE);
       volume->identifier = g_strdup (volume->device_path);
     }

   return volume;
 }

 void
 _g_unix_volume_disconnected (GUnixVolume *volume)
 {
   if (volume->mount)
     {
       _g_unix_mount_unset_volume (volume->mount, volume);
       volume->mount = NULL;
     }
 }

 void
 _g_unix_volume_set_mount (GUnixVolume *volume,
                           GUnixMount  *mount)
 {
   if (volume->mount == mount)
     return;

   if (volume->mount)
     _g_unix_mount_unset_volume (volume->mount, volume);

   volume->mount = mount;

   /* TODO: Emit changed in idle to avoid locking issues */
   g_signal_emit_by_name (volume, "changed");
   if (volume->volume_monitor != NULL)
     g_signal_emit_by_name (volume->volume_monitor, "volume-changed", volume);
 }

 void
 _g_unix_volume_unset_mount (GUnixVolume  *volume,
                             GUnixMount *mount)
 {
   if (volume->mount == mount)
     {
       volume->mount = NULL;
       /* TODO: Emit changed in idle to avoid locking issues */
       g_signal_emit_by_name (volume, "changed");
       if (volume->volume_monitor != NULL)
         g_signal_emit_by_name (volume->volume_monitor, "volume-changed", volume);
     }
 }

 static GIcon *
 g_unix_volume_get_icon (GVolume *volume)
 {
   GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);
   return g_object_ref (unix_volume->icon);
 }

 static GIcon *
 g_unix_volume_get_symbolic_icon (GVolume *volume)
 {
   GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);
   return g_object_ref (unix_volume->symbolic_icon);
 }

 static char *
 g_unix_volume_get_name (GVolume *volume)
 {
   GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);
   return g_strdup (unix_volume->name);
 }

 static char *
 g_unix_volume_get_uuid (GVolume *volume)
 {
   return NULL;
 }

 static gboolean
 g_unix_volume_can_mount (GVolume *volume)
 {
   return TRUE;
 }

 static gboolean
 g_unix_volume_can_eject (GVolume *volume)
 {
   GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);
   return unix_volume->can_eject;
 }

 static gboolean
 g_unix_volume_should_automount (GVolume *volume)
 {
   /* We automount all local volumes because we don't even
    * make the internal stuff visible
    */
   return TRUE;
 }

 static GDrive *
 g_unix_volume_get_drive (GVolume *volume)
 {
   return NULL;
 }

 static GMount *
 g_unix_volume_get_mount (GVolume *volume)
 {
   GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);

   if (unix_volume->mount != NULL)
     return g_object_ref (G_MOUNT (unix_volume->mount));

   return NULL;
 }


 gboolean
 _g_unix_volume_has_mount_path (GUnixVolume *volume,
                                const char  *mount_path)
 {
   return strcmp (volume->mount_path, mount_path) == 0;
 }

 static void
 eject_mount_done (GObject      *source,
                   GAsyncResult *result,
                   gpointer      user_data)
 {
   GSubprocess *subprocess = G_SUBPROCESS (source);
   GTask *task = user_data;
   GError *error = NULL;
   gchar *stderr_str;
   GUnixVolume *unix_volume;

   if (!g_subprocess_communicate_utf8_finish (subprocess, result, NULL, &stderr_str, &error))
     {
       g_task_return_error (task, error);
       g_error_free (error);
     }
   else /* successful communication */
     {
       if (!g_subprocess_get_successful (subprocess))
         /* ...but bad exit code */
         g_task_return_new_error (task, G_IO_ERROR, G_IO_ERROR_FAILED, "%s", stderr_str);
       else
         {
           /* ...and successful exit code */
           unix_volume = G_UNIX_VOLUME (g_task_get_source_object (task));
           _g_unix_volume_monitor_update (G_UNIX_VOLUME_MONITOR (unix_volume->volume_monitor));
           g_task_return_boolean (task, TRUE);
         }

       g_free (stderr_str);
     }

   g_object_unref (task);
 }

 static void
 eject_mount_do (GVolume              *volume,
                 GCancellable         *cancellable,
                 GAsyncReadyCallback   callback,
                 gpointer              user_data,
                 const gchar * const  *argv)
 {
   GSubprocess *subprocess;
   GError *error = NULL;
   GTask *task;

   task = g_task_new (volume, cancellable, callback, user_data);
   g_task_set_source_tag (task, eject_mount_do);

   if (g_task_return_error_if_cancelled (task))
     {
       g_object_unref (task);
       return;
     }

   subprocess = g_subprocess_newv (argv, G_SUBPROCESS_FLAGS_STDOUT_SILENCE | G_SUBPROCESS_FLAGS_STDERR_PIPE, &error);
   g_assert_no_error (error);

   g_subprocess_communicate_utf8_async (subprocess, NULL,
                                        g_task_get_cancellable (task),
                                        eject_mount_done, task);
 }

 static void
 g_unix_volume_mount (GVolume            *volume,
                      GMountMountFlags    flags,
                      GMountOperation     *mount_operation,
                      GCancellable        *cancellable,
                      GAsyncReadyCallback  callback,
                      gpointer             user_data)
 {
   GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);
   const gchar *argv[] = { "mount", NULL, NULL };

   if (unix_volume->mount_path != NULL)
     argv[1] = unix_volume->mount_path;
   else
     argv[1] = unix_volume->device_path;

   eject_mount_do (volume, cancellable, callback, user_data, argv);
 }

 static gboolean
 g_unix_volume_mount_finish (GVolume        *volume,
                             GAsyncResult  *result,
                             GError       **error)
 {
   g_return_val_if_fail (g_task_is_valid (result, volume), FALSE);

   return g_task_propagate_boolean (G_TASK (result), error);
 }

 static void
 g_unix_volume_eject (GVolume             *volume,
                      GMountUnmountFlags   flags,
                      GCancellable        *cancellable,
                      GAsyncReadyCallback  callback,
                      gpointer             user_data)
 {
   GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);
   const gchar *argv[] = { "eject", NULL, NULL };

   argv[1] = unix_volume->device_path;

   eject_mount_do (volume, cancellable, callback, user_data, argv);
 }

 static gboolean
 g_unix_volume_eject_finish (GVolume       *volume,
                             GAsyncResult  *result,
                             GError       **error)
 {
   g_return_val_if_fail (g_task_is_valid (result, volume), FALSE);

   return g_task_propagate_boolean (G_TASK (result), error);
 }

 static gchar *
 g_unix_volume_get_identifier (GVolume     *volume,
                               const gchar *kind)
 {
   GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);

   if (unix_volume->identifier_type != NULL &&
       strcmp (kind, unix_volume->identifier_type) == 0)
     return g_strdup (unix_volume->identifier);

   return NULL;
 }

 static gchar **
 g_unix_volume_enumerate_identifiers (GVolume *volume)
 {
   GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);
   gchar **res;

   if (unix_volume->identifier_type)
     {
       res = g_new (gchar *, 2);
       res[0] = g_strdup (unix_volume->identifier_type);
       res[1] = NULL;
     }
   else
     {
       res = g_new (gchar *, 1);
       res[0] = NULL;
     }

   return res;
 }

 static void
 g_unix_volume_volume_iface_init (GVolumeIface *iface)
 {
   iface->get_name = g_unix_volume_get_name;
   iface->get_icon = g_unix_volume_get_icon;
   iface->get_symbolic_icon = g_unix_volume_get_symbolic_icon;
   iface->get_uuid = g_unix_volume_get_uuid;
   iface->get_drive = g_unix_volume_get_drive;
   iface->get_mount = g_unix_volume_get_mount;
   iface->can_mount = g_unix_volume_can_mount;
   iface->can_eject = g_unix_volume_can_eject;
   iface->should_automount = g_unix_volume_should_automount;
   iface->mount_fn = g_unix_volume_mount;
   iface->mount_finish = g_unix_volume_mount_finish;
   iface->eject = g_unix_volume_eject;
   iface->eject_finish = g_unix_volume_eject_finish;
   iface->get_identifier = g_unix_volume_get_identifier;
   iface->enumerate_identifiers = g_unix_volume_enumerate_identifiers;
 }
	/* -- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -- */

	/* GIO - GLib Input, Output and Streaming Library
	*
	* Copyright (C) 2006-2007 Red Hat, Inc.
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Lesser General Public
	* License as published by the Free Software Foundation; either
	* version 2.1 of the License, or (at your option) any later version.
	*
	* This library is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General
	* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
	*
	* Author: Alexander Larsson <alexl@redhat.com>
	* David Zeuthen <davidz@redhat.com>
	*/

	#include "config.h"

	#include <string.h>
	#include <sys/wait.h>
	#include <unistd.h>

	#include <glib.h>
	#include "gunixvolume.h"
	#include "gunixmount.h"
	#include "gunixmounts.h"
	#include "gthemedicon.h"
	#include "gvolume.h"
	#include "gvolumemonitor.h"
	#include "gtask.h"
	#include "gioerror.h"
	#include "glibintl.h"
	/* for BUFSIZ */
	#include <stdio.h>


	struct _GUnixVolume {
	GObject parent;

	GVolumeMonitor *volume_monitor;
	GUnixMount mount; / owned by volume monitor */

	char *device_path;
	char *mount_path;
	gboolean can_eject;

	char *identifier;
	char *identifier_type;

	char *name;
	GIcon *icon;
	GIcon *symbolic_icon;
	};

	static void g_unix_volume_volume_iface_init (GVolumeIface *iface);

	#define g_unix_volume_get_type _g_unix_volume_get_type
	G_DEFINE_TYPE_WITH_CODE (GUnixVolume, g_unix_volume, G_TYPE_OBJECT,
	G_IMPLEMENT_INTERFACE (G_TYPE_VOLUME,
	g_unix_volume_volume_iface_init))

	static void
	g_unix_volume_finalize (GObject *object)
	{
	GUnixVolume *volume;

	volume = G_UNIX_VOLUME (object);

	if (volume->volume_monitor != NULL)
	g_object_unref (volume->volume_monitor);

	if (volume->mount)
	_g_unix_mount_unset_volume (volume->mount, volume);

	g_object_unref (volume->icon);
	g_object_unref (volume->symbolic_icon);
	g_free (volume->name);
	g_free (volume->mount_path);
	g_free (volume->device_path);
	g_free (volume->identifier);
	g_free (volume->identifier_type);

	G_OBJECT_CLASS (g_unix_volume_parent_class)->finalize (object);
	}

	static void
	g_unix_volume_class_init (GUnixVolumeClass *klass)
	{
	GObjectClass *gobject_class = G_OBJECT_CLASS (klass);

	gobject_class->finalize = g_unix_volume_finalize;
	}

	static void
	g_unix_volume_init (GUnixVolume *unix_volume)
	{
	}

	GUnixVolume *
	_g_unix_volume_new (GVolumeMonitor *volume_monitor,
	GUnixMountPoint *mountpoint)
	{
	GUnixVolume *volume;

	if (!(g_unix_mount_point_is_user_mountable (mountpoint) \|\|
	g_str_has_prefix (g_unix_mount_point_get_device_path (mountpoint), "/vol/")) \|\|
	g_unix_mount_point_is_loopback (mountpoint))
	return NULL;

	volume = g_object_new (G_TYPE_UNIX_VOLUME, NULL);
	volume->volume_monitor = volume_monitor != NULL ? g_object_ref (volume_monitor) : NULL;
	volume->mount_path = g_strdup (g_unix_mount_point_get_mount_path (mountpoint));
	volume->device_path = g_strdup (g_unix_mount_point_get_device_path (mountpoint));
	volume->can_eject = g_unix_mount_point_guess_can_eject (mountpoint);

	volume->name = g_unix_mount_point_guess_name (mountpoint);
	volume->icon = g_unix_mount_point_guess_icon (mountpoint);
	volume->symbolic_icon = g_unix_mount_point_guess_symbolic_icon (mountpoint);


	if (strcmp (g_unix_mount_point_get_fs_type (mountpoint), "nfs") == 0)
	{
	volume->identifier_type = g_strdup (G_VOLUME_IDENTIFIER_KIND_NFS_MOUNT);
	volume->identifier = g_strdup (volume->device_path);
	}
	else if (g_str_has_prefix (volume->device_path, "LABEL="))
	{
	volume->identifier_type = g_strdup (G_VOLUME_IDENTIFIER_KIND_LABEL);
	volume->identifier = g_strdup (volume->device_path + 6);
	}
	else if (g_str_has_prefix (volume->device_path, "UUID="))
	{
	volume->identifier_type = g_strdup (G_VOLUME_IDENTIFIER_KIND_UUID);
	volume->identifier = g_strdup (volume->device_path + 5);
	}
	else if (g_path_is_absolute (volume->device_path))
	{
	volume->identifier_type = g_strdup (G_VOLUME_IDENTIFIER_KIND_UNIX_DEVICE);
	volume->identifier = g_strdup (volume->device_path);
	}

	return volume;
	}

	void
	_g_unix_volume_disconnected (GUnixVolume *volume)
	{
	if (volume->mount)
	{
	_g_unix_mount_unset_volume (volume->mount, volume);
	volume->mount = NULL;
	}
	}

	void
	_g_unix_volume_set_mount (GUnixVolume *volume,
	GUnixMount *mount)
	{
	if (volume->mount == mount)
	return;

	if (volume->mount)
	_g_unix_mount_unset_volume (volume->mount, volume);

	volume->mount = mount;

	/* TODO: Emit changed in idle to avoid locking issues */
	g_signal_emit_by_name (volume, "changed");
	if (volume->volume_monitor != NULL)
	g_signal_emit_by_name (volume->volume_monitor, "volume-changed", volume);
	}

	void
	_g_unix_volume_unset_mount (GUnixVolume *volume,
	GUnixMount *mount)
	{
	if (volume->mount == mount)
	{
	volume->mount = NULL;
	/* TODO: Emit changed in idle to avoid locking issues */
	g_signal_emit_by_name (volume, "changed");
	if (volume->volume_monitor != NULL)
	g_signal_emit_by_name (volume->volume_monitor, "volume-changed", volume);
	}
	}

	static GIcon *
	g_unix_volume_get_icon (GVolume *volume)
	{
	GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);
	return g_object_ref (unix_volume->icon);
	}

	static GIcon *
	g_unix_volume_get_symbolic_icon (GVolume *volume)
	{
	GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);
	return g_object_ref (unix_volume->symbolic_icon);
	}

	static char *
	g_unix_volume_get_name (GVolume *volume)
	{
	GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);
	return g_strdup (unix_volume->name);
	}

	static char *
	g_unix_volume_get_uuid (GVolume *volume)
	{
	return NULL;
	}

	static gboolean
	g_unix_volume_can_mount (GVolume *volume)
	{
	return TRUE;
	}

	static gboolean
	g_unix_volume_can_eject (GVolume *volume)
	{
	GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);
	return unix_volume->can_eject;
	}

	static gboolean
	g_unix_volume_should_automount (GVolume *volume)
	{
	/* We automount all local volumes because we don't even
	* make the internal stuff visible
	*/
	return TRUE;
	}

	static GDrive *
	g_unix_volume_get_drive (GVolume *volume)
	{
	return NULL;
	}

	static GMount *
	g_unix_volume_get_mount (GVolume *volume)
	{
	GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);

	if (unix_volume->mount != NULL)
	return g_object_ref (G_MOUNT (unix_volume->mount));

	return NULL;
	}


	gboolean
	_g_unix_volume_has_mount_path (GUnixVolume *volume,
	const char *mount_path)
	{
	return strcmp (volume->mount_path, mount_path) == 0;
	}

	static void
	eject_mount_done (GObject *source,
	GAsyncResult *result,
	gpointer user_data)
	{
	GSubprocess *subprocess = G_SUBPROCESS (source);
	GTask *task = user_data;
	GError *error = NULL;
	gchar *stderr_str;
	GUnixVolume *unix_volume;

	if (!g_subprocess_communicate_utf8_finish (subprocess, result, NULL, &stderr_str, &error))
	{
	g_task_return_error (task, error);
	g_error_free (error);
	}
	else /* successful communication */
	{
	if (!g_subprocess_get_successful (subprocess))
	/* ...but bad exit code */
	g_task_return_new_error (task, G_IO_ERROR, G_IO_ERROR_FAILED, "%s", stderr_str);
	else
	{
	/* ...and successful exit code */
	unix_volume = G_UNIX_VOLUME (g_task_get_source_object (task));
	_g_unix_volume_monitor_update (G_UNIX_VOLUME_MONITOR (unix_volume->volume_monitor));
	g_task_return_boolean (task, TRUE);
	}

	g_free (stderr_str);
	}

	g_object_unref (task);
	}

	static void
	eject_mount_do (GVolume *volume,
	GCancellable *cancellable,
	GAsyncReadyCallback callback,
	gpointer user_data,
	const gchar * const *argv)
	{
	GSubprocess *subprocess;
	GError *error = NULL;
	GTask *task;

	task = g_task_new (volume, cancellable, callback, user_data);
	g_task_set_source_tag (task, eject_mount_do);

	if (g_task_return_error_if_cancelled (task))
	{
	g_object_unref (task);
	return;
	}

	subprocess = g_subprocess_newv (argv, G_SUBPROCESS_FLAGS_STDOUT_SILENCE \| G_SUBPROCESS_FLAGS_STDERR_PIPE, &error);
	g_assert_no_error (error);

	g_subprocess_communicate_utf8_async (subprocess, NULL,
	g_task_get_cancellable (task),
	eject_mount_done, task);
	}

	static void
	g_unix_volume_mount (GVolume *volume,
	GMountMountFlags flags,
	GMountOperation *mount_operation,
	GCancellable *cancellable,
	GAsyncReadyCallback callback,
	gpointer user_data)
	{
	GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);
	const gchar *argv[] = { "mount", NULL, NULL };

	if (unix_volume->mount_path != NULL)
	argv[1] = unix_volume->mount_path;
	else
	argv[1] = unix_volume->device_path;

	eject_mount_do (volume, cancellable, callback, user_data, argv);
	}

	static gboolean
	g_unix_volume_mount_finish (GVolume *volume,
	GAsyncResult *result,
	GError **error)
	{
	g_return_val_if_fail (g_task_is_valid (result, volume), FALSE);

	return g_task_propagate_boolean (G_TASK (result), error);
	}

	static void
	g_unix_volume_eject (GVolume *volume,
	GMountUnmountFlags flags,
	GCancellable *cancellable,
	GAsyncReadyCallback callback,
	gpointer user_data)
	{
	GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);
	const gchar *argv[] = { "eject", NULL, NULL };

	argv[1] = unix_volume->device_path;

	eject_mount_do (volume, cancellable, callback, user_data, argv);
	}

	static gboolean
	g_unix_volume_eject_finish (GVolume *volume,
	GAsyncResult *result,
	GError **error)
	{
	g_return_val_if_fail (g_task_is_valid (result, volume), FALSE);

	return g_task_propagate_boolean (G_TASK (result), error);
	}

	static gchar *
	g_unix_volume_get_identifier (GVolume *volume,
	const gchar *kind)
	{
	GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);

	if (unix_volume->identifier_type != NULL &&
	strcmp (kind, unix_volume->identifier_type) == 0)
	return g_strdup (unix_volume->identifier);

	return NULL;
	}

	static gchar **
	g_unix_volume_enumerate_identifiers (GVolume *volume)
	{
	GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);
	gchar **res;

	if (unix_volume->identifier_type)
	{
	res = g_new (gchar *, 2);
	res[0] = g_strdup (unix_volume->identifier_type);
	res[1] = NULL;
	}
	else
	{
	res = g_new (gchar *, 1);
	res[0] = NULL;
	}

	return res;
	}

	static void
	g_unix_volume_volume_iface_init (GVolumeIface *iface)
	{
	iface->get_name = g_unix_volume_get_name;
	iface->get_icon = g_unix_volume_get_icon;
	iface->get_symbolic_icon = g_unix_volume_get_symbolic_icon;
	iface->get_uuid = g_unix_volume_get_uuid;
	iface->get_drive = g_unix_volume_get_drive;
	iface->get_mount = g_unix_volume_get_mount;
	iface->can_mount = g_unix_volume_can_mount;
	iface->can_eject = g_unix_volume_can_eject;
	iface->should_automount = g_unix_volume_should_automount;
	iface->mount_fn = g_unix_volume_mount;
	iface->mount_finish = g_unix_volume_mount_finish;
	iface->eject = g_unix_volume_eject;
	iface->eject_finish = g_unix_volume_eject_finish;
	iface->get_identifier = g_unix_volume_get_identifier;
	iface->enumerate_identifiers = g_unix_volume_enumerate_identifiers;
	}