up-to-date CAS function for android

android/JackAtomic_os.h

@@ -1,42 +0,0 @@
-/*
- Copyright (C) 2004-2008 Grame
- Copyright (C) 2013 Samsung Electronics
-
- 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.
-
- */
-
-#ifndef __JackAtomic_android__
-#define __JackAtomic_android__
-
-#include "JackTypes.h"
-
-#include <sys/atomics.h>
-static inline char CAS(volatile UInt32 value, UInt32 newvalue, volatile void* addr)
-{
-#if 1
-    return !__atomic_cmpxchg(value, newvalue, (volatile int *)addr);
-#else
-    //slow compare_and_swap_32
-    if (*(UInt32*)addr == value) {
-        *(UInt32*)addr = newvalue;
-        return true;
-    }
-    return false;
-#endif
-}
-
-#endif
-