jack2/common/JackActivationCount.cpp

44 lines
1.3 KiB
C++

/*
Copyright (C) 2004-2008 Grame
This program 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 2.1 of the License, or
(at your option) any later version.
This program 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 program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "JackAtomic.h"
#include "JackActivationCount.h"
#include "JackConstants.h"
#include "JackClientControl.h"
#include "JackError.h"
namespace Jack
{
bool JackActivationCount::Signal(JackSynchro* synchro, JackClientControl* control)
{
if (fValue == 0) {
// Transfer activation to next clients
jack_log("JackActivationCount::Signal value = 0 ref = %ld", control->fRefNum);
return synchro->Signal();
} else if (DEC_ATOMIC(&fValue) == 1) {
return synchro->Signal();
} else {
return true;
}
}
} // end of namespace