Jack2 1.9.6
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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 #ifndef __JackAtomic__ 00021 #define __JackAtomic__ 00022 00023 #include "JackTypes.h" 00024 #include "JackAtomic_os.h" 00025 00026 static inline long INC_ATOMIC(volatile SInt32* val) 00027 { 00028 SInt32 actual; 00029 do { 00030 actual = *val; 00031 } while (!CAS(actual, actual + 1, val)); 00032 return actual; 00033 } 00034 00035 static inline long DEC_ATOMIC(volatile SInt32* val) 00036 { 00037 SInt32 actual; 00038 do { 00039 actual = *val; 00040 } while (!CAS(actual, actual - 1, val)); 00041 return actual; 00042 } 00043 00044 #endif 00045 00046