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JackActivationCount.cpp
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/*
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Copyright (C) 2004-2008 Grame
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "JackAtomic.h"
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#include "JackActivationCount.h"
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#include "JackConstants.h"
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#include "JackClientControl.h"
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#include "JackError.h"
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namespace
Jack
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{
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bool
JackActivationCount::Signal(JackSynchro* synchro, JackClientControl* control)
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{
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if
(fValue == 0) {
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// Transfer activation to next clients
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jack_log
(
"JackActivationCount::Signal value = 0 ref = %ld"
, control->fRefNum);
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return
synchro->Signal();
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}
else
if
(DEC_ATOMIC(&fValue) == 1) {
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return
synchro->Signal();
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}
else
{
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return
true
;
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}
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}
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}
// end of namespace
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