1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/libfsserver/lib/files/file_notification.cc Wed Sep 08 01:18:00 2021 +0200
1.3 @@ -0,0 +1,54 @@
1.4 +/*
1.5 + * Notification support for files.
1.6 + *
1.7 + * Copyright (C) 2021 Paul Boddie <paul@boddie.org.uk>
1.8 + *
1.9 + * This program is free software; you can redistribute it and/or
1.10 + * modify it under the terms of the GNU General Public License as
1.11 + * published by the Free Software Foundation; either version 2 of
1.12 + * the License, or (at your option) any later version.
1.13 + *
1.14 + * This program is distributed in the hope that it will be useful,
1.15 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.16 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.17 + * GNU General Public License for more details.
1.18 + *
1.19 + * You should have received a copy of the GNU General Public License
1.20 + * along with this program; if not, write to the Free Software
1.21 + * Foundation, Inc., 51 Franklin Street, Fifth Floor,
1.22 + * Boston, MA 02110-1301, USA
1.23 + */
1.24 +
1.25 +#include "file_notification.h"
1.26 +
1.27 +
1.28 +
1.29 +FileNotification::FileNotification()
1.30 +: NotificationSupport()
1.31 +{
1.32 +}
1.33 +
1.34 +/* Accounting methods. */
1.35 +
1.36 +/* Attach a user of this object. */
1.37 +
1.38 +void FileNotification::attach()
1.39 +{
1.40 + std::lock_guard<std::mutex> guard(_lock);
1.41 +
1.42 + _attached += 1;
1.43 +}
1.44 +
1.45 +/* Detach a user of this object. */
1.46 +
1.47 +unsigned int FileNotification::detach()
1.48 +{
1.49 + std::lock_guard<std::mutex> guard(_lock);
1.50 +
1.51 + if (_attached)
1.52 + _attached -= 1;
1.53 +
1.54 + return _attached;
1.55 +}
1.56 +
1.57 +// vim: tabstop=4 expandtab shiftwidth=4