00001 /* 00002 Copyright (C) 2004-2008 Grame 00003 00004 This program is free software; you can redistribute it and/or modify 00005 it under the terms of the GNU Lesser General Public License as published by 00006 the Free Software Foundation; either version 2.1 of the License, or 00007 (at your option) any later version. 00008 00009 This program is distributed in the hope that it will be useful, 00010 but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 GNU Lesser General Public License for more details. 00013 00014 You should have received a copy of the GNU Lesser General Public License 00015 along with this program; if not, write to the Free Software 00016 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00017 00018 */ 00019 00020 #include "JackAtomic.h" 00021 #include "JackActivationCount.h" 00022 #include "JackConstants.h" 00023 #include "JackClientControl.h" 00024 #include "JackError.h" 00025 00026 namespace Jack 00027 { 00028 00029 bool JackActivationCount::Signal(JackSynchro* synchro, JackClientControl* control) 00030 { 00031 if (fValue == 0) { 00032 // Transfer activation to next clients 00033 jack_error("JackActivationCount::Signal value = 0 ref = %ld", control->fRefNum); 00034 return synchro->Signal(); 00035 } else if (DEC_ATOMIC(&fValue) == 1) { 00036 return synchro->Signal(); 00037 } else { 00038 return true; 00039 } 00040 } 00041 00042 } // end of namespace 00043
1.5.9