1 files changed, 110 insertions, 0 deletions
diff --git a/intern/atomic/intern/atomic_ops_utils.h b/intern/atomic/intern/atomic_ops_utils.h
new file mode 100644
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+++ b/intern/atomic/intern/atomic_ops_utils.h
@@ -0,0 +1,110 @@
+/*
+ * Original code from jemalloc with this license:
+ *
+ * Copyright (C) 2002-2013 Jason Evans <jasone@canonware.com>.
+ * All rights reserved.
+ * Copyright (C) 2007-2012 Mozilla Foundation.  All rights reserved.
+ * Copyright (C) 2009-2013 Facebook, Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright notice(s),
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice(s),
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2016 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: adapted from jemalloc.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+#ifndef __ATOMIC_OPS_UTILS_H__
+#define __ATOMIC_OPS_UTILS_H__
+
+/* needed for int types */
+#include "../../../source/blender/blenlib/BLI_sys_types.h"
+#include <stdlib.h>
+#include <limits.h>
+
+#include <assert.h>
+
+/* little macro so inline keyword works */
+#if defined(_MSC_VER)
+#  define ATOMIC_INLINE static __forceinline
+#else
+#  if (defined(__APPLE__) && defined(__ppc__))
+/* static inline __attribute__ here breaks osx ppc gcc42 build */
+#    define ATOMIC_INLINE static __attribute__((always_inline))
+#  else
+#    define ATOMIC_INLINE static inline __attribute__((always_inline))
+#  endif
+#endif
+
+#ifndef LIKELY
+#  ifdef __GNUC__
+#    define LIKELY(x)       __builtin_expect(!!(x), 1)
+#    define UNLIKELY(x)     __builtin_expect(!!(x), 0)
+#  else
+#    define LIKELY(x)       (x)
+#    define UNLIKELY(x)     (x)
+#  endif
+#endif
+
+#ifdef UINTPTR_MAX
+#  if (UINTPTR_MAX == 0xFFFFFFFF)
+#    define LG_SIZEOF_PTR 4
+#  elif (UINTPTR_MAX == 0xFFFFFFFFFFFFFFFF)
+#    define LG_SIZEOF_PTR 8
+#  endif
+#elif defined(__WORDSIZE)  /* Fallback for older glibc and cpp */
+#  if (__WORDSIZE == 32)
+#    define LG_SIZEOF_PTR 4
+#  elif (__WORDSIZE == 64)
+#    define LG_SIZEOF_PTR 8
+#  endif
+#endif
+
+#ifndef LG_SIZEOF_PTR
+#  error "Cannot find pointer size"
+#endif
+
+#if (UINT_MAX == 0xFFFFFFFF)
+#  define LG_SIZEOF_INT 4
+#elif (UINT_MAX == 0xFFFFFFFFFFFFFFFF)
+#  define LG_SIZEOF_INT 8
+#else
+#  error "Cannot find int size"
+#endif
+
+#endif /* __ATOMIC_OPS_UTILS_H__ */