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Side by Side Diff: Source/wtf/RefCounted.h

Issue 15861022: Build WTF as dll in component build (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Fix AutoDrainedPool ctor and ThreadSpecificThreadExit exports Created 7 years, 7 months ago
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1 /* 1 /*
2 * Copyright (C) 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved. 2 * Copyright (C) 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
3 * 3 *
4 * This library is free software; you can redistribute it and/or 4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public 5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either 6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version. 7 * version 2 of the License, or (at your option) any later version.
8 * 8 *
9 * This library is distributed in the hope that it will be useful, 9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details. 12 * Library General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU Library General Public License 14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB. If not, write to 15 * along with this library; see the file COPYING.LIB. If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA. 17 * Boston, MA 02110-1301, USA.
18 * 18 *
19 */ 19 */
20 20
21 #ifndef RefCounted_h 21 #ifndef RefCounted_h
22 #define RefCounted_h 22 #define RefCounted_h
23 23
24 #include <wtf/Assertions.h> 24 #include "wtf/Assertions.h"
25 #include <wtf/FastAllocBase.h> 25 #include "wtf/FastAllocBase.h"
26 #include <wtf/Noncopyable.h> 26 #include "wtf/Noncopyable.h"
27 #include <wtf/OwnPtr.h> 27 #include "wtf/OwnPtr.h"
28 #include <wtf/ThreadRestrictionVerifier.h> 28 #include "wtf/ThreadRestrictionVerifier.h"
29 #include <wtf/UnusedParam.h> 29 #include "wtf/UnusedParam.h"
30 #include "wtf/WTFExport.h"
30 31
31 namespace WTF { 32 namespace WTF {
32 33
33 #ifdef NDEBUG 34 #ifdef NDEBUG
34 #define CHECK_REF_COUNTED_LIFECYCLE 0 35 #define CHECK_REF_COUNTED_LIFECYCLE 0
35 #else 36 #else
36 #define CHECK_REF_COUNTED_LIFECYCLE 1 37 #define CHECK_REF_COUNTED_LIFECYCLE 1
37 #endif 38 #endif
38 39
39 // This base class holds the non-template methods and attributes. 40 // This base class holds the non-template methods and attributes.
40 // The RefCounted class inherits from it reducing the template bloat 41 // The RefCounted class inherits from it reducing the template bloat
41 // generated by the compiler (technique called template hoisting). 42 // generated by the compiler (technique called template hoisting).
42 class RefCountedBase { 43 class WTF_EXPORT RefCountedBase {
43 public: 44 public:
44 void ref() 45 void ref()
45 { 46 {
46 #if CHECK_REF_COUNTED_LIFECYCLE 47 #if CHECK_REF_COUNTED_LIFECYCLE
47 // Start thread verification as soon as the ref count gets to 2. This 48 // Start thread verification as soon as the ref count gets to 2. This
48 // heuristic reflects the fact that items are often created on one threa d 49 // heuristic reflects the fact that items are often created on one threa d
49 // and then given to another thread to be used. 50 // and then given to another thread to be used.
50 // FIXME: Make this restriction tigher. Especially as we move to more 51 // FIXME: Make this restriction tigher. Especially as we move to more
51 // common methods for sharing items across threads like CrossThreadCopie r.h 52 // common methods for sharing items across threads like CrossThreadCopie r.h
52 // We should be able to add a "detachFromThread" method to make this exp licit. 53 // We should be able to add a "detachFromThread" method to make this exp licit.
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195 { 196 {
196 } 197 }
197 }; 198 };
198 199
199 } // namespace WTF 200 } // namespace WTF
200 201
201 using WTF::RefCounted; 202 using WTF::RefCounted;
202 using WTF::RefCountedCustomAllocated; 203 using WTF::RefCountedCustomAllocated;
203 204
204 #endif // RefCounted_h 205 #endif // RefCounted_h
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