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Unified Diff: third_party/WebKit/Source/wtf/StaticConstructors.h

Issue 2755793004: Move files in wtf/ to platform/wtf/ (Part 3). (Closed)
Patch Set: Created 3 years, 9 months ago
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Index: third_party/WebKit/Source/wtf/StaticConstructors.h
diff --git a/third_party/WebKit/Source/wtf/StaticConstructors.h b/third_party/WebKit/Source/wtf/StaticConstructors.h
index bf4d377d9735d1cce00fd4658e7dd3a2918e952f..8866254e25283959b55029075efd8913eb900469 100644
--- a/third_party/WebKit/Source/wtf/StaticConstructors.h
+++ b/third_party/WebKit/Source/wtf/StaticConstructors.h
@@ -1,39 +1,9 @@
-/*
- * Copyright (C) 2006 Apple Computer, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
-#ifndef StaticConstructors_h
-#define StaticConstructors_h
+#include "platform/wtf/StaticConstructors.h"
-// We need to avoid having static constructors. This is accomplished by defining
-// a static array of the appropriate size and alignment, and defining a const
-// reference that points to the buffer. During initialization, the object will
-// be constructed with placement new into the buffer. This works with MSVC, GCC,
-// and Clang without producing dynamic initialization code even at -O0. The only
-// downside is that all external translation units will have to emit one more
-// load, while a real global could be referenced directly by absolute or
-// relative addressing.
-
-// Use an array of pointers instead of an array of char in case there is some
-// alignment issue.
-#define DEFINE_GLOBAL(type, name) \
- void* name##Storage[(sizeof(type) + sizeof(void*) - 1) / sizeof(void*)]; \
- const type& name = *reinterpret_cast<type*>(&name##Storage)
-
-#endif // StaticConstructors_h
+// The contents of this header was moved to platform/wtf as part of
+// WTF migration project. See the following post for details:
+// https://groups.google.com/a/chromium.org/d/msg/blink-dev/tLdAZCTlcAA/bYXVT8gYCAAJ
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