Import Upstream version 2.72.4
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395
gio/gunixmount.c
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395
gio/gunixmount.c
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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/* GIO - GLib Input, Output and Streaming Library
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*
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* Copyright (C) 2006-2007 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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* Author: Alexander Larsson <alexl@redhat.com>
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* David Zeuthen <davidz@redhat.com>
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*/
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#include "config.h"
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#include <string.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <glib.h>
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#include "gsubprocess.h"
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#include "gioenums.h"
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#include "gunixvolumemonitor.h"
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#include "gunixmount.h"
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#include "gunixmounts.h"
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#include "gunixvolume.h"
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#include "gmountprivate.h"
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#include "gmount.h"
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#include "gfile.h"
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#include "gvolumemonitor.h"
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#include "gthemedicon.h"
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#include "gioerror.h"
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#include "glibintl.h"
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/* for BUFSIZ */
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#include <stdio.h>
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struct _GUnixMount {
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GObject parent;
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GVolumeMonitor *volume_monitor;
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GUnixVolume *volume; /* owned by volume monitor */
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char *name;
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GIcon *icon;
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GIcon *symbolic_icon;
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char *device_path;
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char *mount_path;
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gboolean can_eject;
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};
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static void g_unix_mount_mount_iface_init (GMountIface *iface);
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#define g_unix_mount_get_type _g_unix_mount_get_type
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G_DEFINE_TYPE_WITH_CODE (GUnixMount, g_unix_mount, G_TYPE_OBJECT,
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G_IMPLEMENT_INTERFACE (G_TYPE_MOUNT,
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g_unix_mount_mount_iface_init))
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static void
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g_unix_mount_finalize (GObject *object)
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{
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GUnixMount *mount;
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mount = G_UNIX_MOUNT (object);
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if (mount->volume_monitor != NULL)
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g_object_unref (mount->volume_monitor);
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if (mount->volume)
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_g_unix_volume_unset_mount (mount->volume, mount);
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/* TODO: g_warn_if_fail (volume->volume == NULL); */
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g_object_unref (mount->icon);
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g_object_unref (mount->symbolic_icon);
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g_free (mount->name);
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g_free (mount->device_path);
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g_free (mount->mount_path);
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G_OBJECT_CLASS (g_unix_mount_parent_class)->finalize (object);
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}
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static void
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g_unix_mount_class_init (GUnixMountClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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gobject_class->finalize = g_unix_mount_finalize;
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}
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static void
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g_unix_mount_init (GUnixMount *unix_mount)
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{
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}
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GUnixMount *
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_g_unix_mount_new (GVolumeMonitor *volume_monitor,
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GUnixMountEntry *mount_entry,
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GUnixVolume *volume)
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{
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GUnixMount *mount;
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/* No volume for mount: Ignore internal things */
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if (volume == NULL && !g_unix_mount_guess_should_display (mount_entry))
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return NULL;
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mount = g_object_new (G_TYPE_UNIX_MOUNT, NULL);
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mount->volume_monitor = volume_monitor != NULL ? g_object_ref (volume_monitor) : NULL;
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mount->device_path = g_strdup (g_unix_mount_get_device_path (mount_entry));
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mount->mount_path = g_strdup (g_unix_mount_get_mount_path (mount_entry));
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mount->can_eject = g_unix_mount_guess_can_eject (mount_entry);
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mount->name = g_unix_mount_guess_name (mount_entry);
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mount->icon = g_unix_mount_guess_icon (mount_entry);
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mount->symbolic_icon = g_unix_mount_guess_symbolic_icon (mount_entry);
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/* need to do this last */
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mount->volume = volume;
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if (volume != NULL)
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_g_unix_volume_set_mount (volume, mount);
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return mount;
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}
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void
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_g_unix_mount_unmounted (GUnixMount *mount)
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{
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if (mount->volume != NULL)
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{
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_g_unix_volume_unset_mount (mount->volume, mount);
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mount->volume = NULL;
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g_signal_emit_by_name (mount, "changed");
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/* there's really no need to emit mount_changed on the volume monitor
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* as we're going to be deleted.. */
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}
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}
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void
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_g_unix_mount_unset_volume (GUnixMount *mount,
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GUnixVolume *volume)
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{
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if (mount->volume == volume)
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{
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mount->volume = NULL;
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/* TODO: Emit changed in idle to avoid locking issues */
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g_signal_emit_by_name (mount, "changed");
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if (mount->volume_monitor != NULL)
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g_signal_emit_by_name (mount->volume_monitor, "mount-changed", mount);
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}
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}
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static GFile *
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g_unix_mount_get_root (GMount *mount)
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{
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GUnixMount *unix_mount = G_UNIX_MOUNT (mount);
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return g_file_new_for_path (unix_mount->mount_path);
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}
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static GIcon *
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g_unix_mount_get_icon (GMount *mount)
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{
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GUnixMount *unix_mount = G_UNIX_MOUNT (mount);
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return g_object_ref (unix_mount->icon);
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}
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static GIcon *
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g_unix_mount_get_symbolic_icon (GMount *mount)
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{
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GUnixMount *unix_mount = G_UNIX_MOUNT (mount);
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return g_object_ref (unix_mount->symbolic_icon);
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}
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static char *
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g_unix_mount_get_uuid (GMount *mount)
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{
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return NULL;
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}
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static char *
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g_unix_mount_get_name (GMount *mount)
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{
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GUnixMount *unix_mount = G_UNIX_MOUNT (mount);
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return g_strdup (unix_mount->name);
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}
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gboolean
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_g_unix_mount_has_mount_path (GUnixMount *mount,
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const char *mount_path)
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{
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return strcmp (mount->mount_path, mount_path) == 0;
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}
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static GDrive *
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g_unix_mount_get_drive (GMount *mount)
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{
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GUnixMount *unix_mount = G_UNIX_MOUNT (mount);
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if (unix_mount->volume != NULL)
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return g_volume_get_drive (G_VOLUME (unix_mount->volume));
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return NULL;
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}
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static GVolume *
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g_unix_mount_get_volume (GMount *mount)
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{
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GUnixMount *unix_mount = G_UNIX_MOUNT (mount);
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if (unix_mount->volume)
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return G_VOLUME (g_object_ref (unix_mount->volume));
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return NULL;
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}
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static gboolean
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g_unix_mount_can_unmount (GMount *mount)
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{
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return TRUE;
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}
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static gboolean
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g_unix_mount_can_eject (GMount *mount)
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{
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GUnixMount *unix_mount = G_UNIX_MOUNT (mount);
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return unix_mount->can_eject;
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}
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static void
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eject_unmount_done (GObject *source,
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GAsyncResult *result,
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gpointer user_data)
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{
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GSubprocess *subprocess = G_SUBPROCESS (source);
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GTask *task = user_data;
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GError *error = NULL;
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gchar *stderr_str;
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if (!g_subprocess_communicate_utf8_finish (subprocess, result, NULL, &stderr_str, &error))
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{
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g_task_return_error (task, error);
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g_error_free (error);
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}
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else /* successful communication */
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{
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if (!g_subprocess_get_successful (subprocess))
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/* ...but bad exit code */
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g_task_return_new_error (task, G_IO_ERROR, G_IO_ERROR_FAILED, "%s", stderr_str);
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else
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/* ...and successful exit code */
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g_task_return_boolean (task, TRUE);
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g_free (stderr_str);
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}
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g_object_unref (task);
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}
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static gboolean
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eject_unmount_do_cb (gpointer user_data)
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{
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GTask *task = user_data;
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GError *error = NULL;
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GSubprocess *subprocess;
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const gchar **argv;
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argv = g_task_get_task_data (task);
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if (g_task_return_error_if_cancelled (task))
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{
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g_object_unref (task);
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return G_SOURCE_REMOVE;
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}
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subprocess = g_subprocess_newv (argv, G_SUBPROCESS_FLAGS_STDOUT_SILENCE | G_SUBPROCESS_FLAGS_STDERR_PIPE, &error);
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g_assert_no_error (error);
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g_subprocess_communicate_utf8_async (subprocess, NULL,
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g_task_get_cancellable (task),
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eject_unmount_done, task);
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return G_SOURCE_REMOVE;
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}
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static void
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eject_unmount_do (GMount *mount,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data,
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char **argv,
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const gchar *task_name)
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{
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GUnixMount *unix_mount = G_UNIX_MOUNT (mount);
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GTask *task;
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GSource *timeout;
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task = g_task_new (mount, cancellable, callback, user_data);
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g_task_set_source_tag (task, eject_unmount_do);
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g_task_set_name (task, task_name);
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g_task_set_task_data (task, g_strdupv (argv), (GDestroyNotify) g_strfreev);
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if (unix_mount->volume_monitor != NULL)
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g_signal_emit_by_name (unix_mount->volume_monitor, "mount-pre-unmount", mount);
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g_signal_emit_by_name (mount, "pre-unmount", 0);
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timeout = g_timeout_source_new (500);
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g_task_attach_source (task, timeout, (GSourceFunc) eject_unmount_do_cb);
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g_source_unref (timeout);
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}
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static void
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g_unix_mount_unmount (GMount *mount,
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GMountUnmountFlags flags,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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GUnixMount *unix_mount = G_UNIX_MOUNT (mount);
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char *argv[] = {"umount", NULL, NULL};
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if (unix_mount->mount_path != NULL)
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argv[1] = unix_mount->mount_path;
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else
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argv[1] = unix_mount->device_path;
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eject_unmount_do (mount, cancellable, callback, user_data, argv, "[gio] unmount mount");
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}
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static gboolean
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g_unix_mount_unmount_finish (GMount *mount,
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GAsyncResult *result,
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GError **error)
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{
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return g_task_propagate_boolean (G_TASK (result), error);
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}
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static void
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g_unix_mount_eject (GMount *mount,
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GMountUnmountFlags flags,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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GUnixMount *unix_mount = G_UNIX_MOUNT (mount);
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char *argv[] = {"eject", NULL, NULL};
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if (unix_mount->mount_path != NULL)
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argv[1] = unix_mount->mount_path;
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else
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argv[1] = unix_mount->device_path;
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eject_unmount_do (mount, cancellable, callback, user_data, argv, "[gio] eject mount");
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}
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static gboolean
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g_unix_mount_eject_finish (GMount *mount,
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GAsyncResult *result,
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GError **error)
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{
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return g_task_propagate_boolean (G_TASK (result), error);
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}
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static void
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g_unix_mount_mount_iface_init (GMountIface *iface)
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{
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iface->get_root = g_unix_mount_get_root;
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iface->get_name = g_unix_mount_get_name;
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iface->get_icon = g_unix_mount_get_icon;
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iface->get_symbolic_icon = g_unix_mount_get_symbolic_icon;
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iface->get_uuid = g_unix_mount_get_uuid;
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iface->get_drive = g_unix_mount_get_drive;
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iface->get_volume = g_unix_mount_get_volume;
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iface->can_unmount = g_unix_mount_can_unmount;
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iface->can_eject = g_unix_mount_can_eject;
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iface->unmount = g_unix_mount_unmount;
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iface->unmount_finish = g_unix_mount_unmount_finish;
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iface->eject = g_unix_mount_eject;
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iface->eject_finish = g_unix_mount_eject_finish;
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}
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