gunionvolumemonitor.c - Android社区 - https://www.androidos.net.cn/

/* -*- 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 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, write to the
 * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * Author: Alexander Larsson <alexl@redhat.com>
 *         David Zeuthen <davidz@redhat.com>
 */

#include "config.h"

#include <string.h>

#include <glib.h>
#include "gunionvolumemonitor.h"
#include "gmountprivate.h"
#include "giomodule-priv.h"
#ifdef G_OS_UNIX
#include "gunixvolumemonitor.h"
#endif
#include "gnativevolumemonitor.h"

#include "glibintl.h"

#include "gioalias.h"

struct _GUnionVolumeMonitor {
  GVolumeMonitor parent;

GList *monitors;
};

static void g_union_volume_monitor_remove_monitor (GUnionVolumeMonitor *union_monitor,
						   GVolumeMonitor *child_monitor);

#define g_union_volume_monitor_get_type _g_union_volume_monitor_get_type
G_DEFINE_TYPE (GUnionVolumeMonitor, g_union_volume_monitor, G_TYPE_VOLUME_MONITOR);

static GStaticRecMutex the_volume_monitor_mutex = G_STATIC_REC_MUTEX_INIT;

static GUnionVolumeMonitor *the_volume_monitor = NULL;

static void
g_union_volume_monitor_finalize (GObject *object)
{
  GUnionVolumeMonitor *monitor;
  GVolumeMonitor *child_monitor;

monitor = G_UNION_VOLUME_MONITOR (object);

while (monitor->monitors != NULL)
    {
      child_monitor = monitor->monitors->data;
      g_union_volume_monitor_remove_monitor (monitor, 
                                             child_monitor);
      g_object_unref (child_monitor);
    }

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

static void
g_union_volume_monitor_dispose (GObject *object)
{
  GUnionVolumeMonitor *monitor;
  GVolumeMonitor *child_monitor;
  GList *l;

monitor = G_UNION_VOLUME_MONITOR (object);

g_static_rec_mutex_lock (&the_volume_monitor_mutex);
  the_volume_monitor = NULL;

for (l = monitor->monitors; l != NULL; l = l->next)
    {
      child_monitor = l->data;
      g_object_run_dispose (G_OBJECT (child_monitor));
    }
  
  g_static_rec_mutex_unlock (&the_volume_monitor_mutex);

G_OBJECT_CLASS (g_union_volume_monitor_parent_class)->dispose (object);
}

static GList *
get_mounts (GVolumeMonitor *volume_monitor)
{
  GUnionVolumeMonitor *monitor;
  GVolumeMonitor *child_monitor;
  GList *res;
  GList *l;
  
  monitor = G_UNION_VOLUME_MONITOR (volume_monitor);

res = NULL;
  
  g_static_rec_mutex_lock (&the_volume_monitor_mutex);