$NetBSD: patch-netbsd_JackAtomic__os.h,v 1.1 2021/09/08 19:19:20 nia Exp $

Add NetBSD support.

--- netbsd/JackAtomic_os.h.orig	2021-09-08 13:51:19.683563214 +0000
+++ netbsd/JackAtomic_os.h
@@ -0,0 +1,32 @@
+/*
+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.
+
+*/
+
+#ifndef __JackAtomic_netbsd__
+#define __JackAtomic_netbsd__
+
+#include "JackTypes.h"
+#include <atomic.h>
+
+static inline char CAS(volatile UInt32 value, UInt32 newvalue, volatile void* addr)
+{
+     return (atomic_cas_32((uint32_t*)addr, value, newvalue) == value);
+}
+
+#endif
+