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1 /*
2  *  Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
3  *
4  *  This library is free software; you can redistribute it and/or
5  *  modify it under the terms of the GNU Library General Public
6  *  License as published by the Free Software Foundation; either
7  *  version 2 of the License, or (at your option) any later version.
8  *
9  *  This library is distributed in the hope that it will be useful,
10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  *  Library General Public License for more details.
13  *
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
16  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17  *  Boston, MA 02110-1301, USA.
18  *
19  */
20 
21 #ifndef WTF_FastMalloc_h
22 #define WTF_FastMalloc_h
23 
24 #include "wtf/WTFExport.h"
25 #include <cstddef>
26 
27 namespace WTF {
28 
29 // Initialization is implicit on first use.
30 WTF_EXPORT void fastMallocShutdown();
31 
32 // These functions crash safely if an allocation fails.
33 WTF_EXPORT void* fastMalloc(size_t);
34 WTF_EXPORT void* fastZeroedMalloc(size_t);
35 WTF_EXPORT void* fastRealloc(void*, size_t);
36 WTF_EXPORT char* fastStrDup(const char*);
37 
38 WTF_EXPORT void fastFree(void*);
39 
40 WTF_EXPORT void releaseFastMallocFreeMemory();
41 
42 struct FastMallocStatistics {
43     size_t reservedVMBytes;
44     size_t committedVMBytes;
45     size_t freeListBytes;
46 };
47 WTF_EXPORT FastMallocStatistics fastMallocStatistics();
48 
49 } // namespace WTF
50 
51 using WTF::fastFree;
52 using WTF::fastMalloc;
53 using WTF::fastRealloc;
54 using WTF::fastStrDup;
55 using WTF::fastZeroedMalloc;
56 
57 #endif /* WTF_FastMalloc_h */
58