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/*
Copyright (C) 2018 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
DCP-o-matic 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef DCPOMATIC_VARIANT_SWAROOP
#include "checker.h"
#include "config.h"
#include "cross.h"
using boost::bind;
using boost::ref;
Checker::Checker (int period)
: _terminate (false)
, _ok (true)
, _period (period)
{
}
void
Checker::run ()
{
_thread = boost::thread (boost::bind(&Checker::thread, this));
}
Checker::~Checker ()
{
boost::this_thread::disable_interruption dis;
{
boost::mutex::scoped_lock lm (_mutex);
_terminate = true;
}
_thread.interrupt ();
try {
_thread.join ();
} catch (...) {}
}
void
Checker::thread ()
{
while (true) {
boost::mutex::scoped_lock lm (_mutex);
if (_terminate) {
break;
}
bool const was_ok = _ok;
_ok = check();
if (was_ok != _ok) {
emit (bind(boost::ref(StateChanged)));
}
lm.unlock ();
dcpomatic_sleep_seconds (_period);
}
}
bool
Checker::ok () const
{
boost::mutex::scoped_lock lm (_mutex);
return _ok;
}
#endif
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