2 Copyright (C) 2018 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
21 #include "monitor_checker.h"
28 MonitorChecker* MonitorChecker::_instance = 0;
30 MonitorChecker::MonitorChecker ()
39 MonitorChecker::run ()
41 _thread = new boost::thread (boost::bind (&MonitorChecker::thread, this));
44 MonitorChecker::~MonitorChecker ()
47 boost::mutex::scoped_lock lm (_mutex);
52 /* Ideally this would be a DCPOMATIC_ASSERT(_thread->joinable()) but we
53 can't throw exceptions from a destructor.
55 _thread->interrupt ();
57 if (_thread->joinable ()) {
60 } catch (boost::thread_interrupted& e) {
68 MonitorChecker::thread ()
71 boost::mutex::scoped_lock lm (_mutex);
76 bool const was_ok = _ok;
77 _ok = Config::instance()->required_monitors().empty() || get_monitors() == Config::instance()->required_monitors();
79 emit (bind(boost::ref(StateChanged)));
88 MonitorChecker::ok () const
90 boost::mutex::scoped_lock lm (_mutex);
95 MonitorChecker::instance ()
98 _instance = new MonitorChecker ();