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src/hoard/src/heaplayers/mallocheap.h
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00001 /* -*- C++ -*- */
00002 
00003 /*
00004 
00005   Heap Layers: An Extensible Memory Allocation Infrastructure
00006   
00007   Copyright (C) 2000-2005 by Emery Berger
00008   http://www.cs.umass.edu/~emery
00009   emery@cs.umass.edu
00010   
00011   This program is free software; you can redistribute it and/or modify
00012   it under the terms of the GNU General Public License as published by
00013   the Free Software Foundation; either version 2 of the License, or
00014   (at your option) any later version.
00015   
00016   This program is distributed in the hope that it will be useful,
00017   but WITHOUT ANY WARRANTY; without even the implied warranty of
00018   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019   GNU General Public License for more details.
00020   
00021   You should have received a copy of the GNU General Public License
00022   along with this program; if not, write to the Free Software
00023   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00024 
00025 */
00026 
00027 #ifndef _MALLOCHEAP_H_
00028 #define _MALLOCHEAP_H_
00029 
00030 #include <cstdlib>
00031 
00032 #if defined(__SVR4)
00033 extern "C" size_t malloc_usable_size (void *);
00034 #else
00035 extern "C" size_t malloc_usable_size (void *) throw ();
00036 #endif
00037 
00038 #if defined(_WIN32) || defined(linux)
00039 #include <malloc.h>
00040 #elif defined(__APPLE__)
00041 #include <malloc/malloc.h>
00042 #endif
00043 
00049 namespace HL {
00050 
00051 class mallocHeap {
00052 public:
00053 
00054   ~mallocHeap (void) {}
00055   
00056   inline void * malloc (size_t sz) {
00057     return ::malloc (sz);
00058   }
00059   
00060   
00061   inline void free (void * ptr) {
00062     ::free (ptr);
00063   }
00064 
00065 #if defined(_MSC_VER)
00066   inline size_t getSize (void * ptr) {
00067     return ::_msize (ptr);
00068   }
00069 #elif defined(__GNUC__) && !defined(__SVR4)
00070   inline size_t getSize (void * ptr) {
00071     return ::malloc_usable_size (ptr);
00072   }
00073 #elif defined(__APPLE__)
00074   inline size_t getSize (void * ptr) {
00075     return ::malloc_size (ptr);
00076   }
00077 #endif
00078   
00079 };
00080 
00081 };
00082 
00083 #endif
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