allocator.hpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2016
*
* This file is part of Gecode, the generic constraint
* development environment:
* http://www.gecode.org
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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*/
#include <cstring>
#include <cstdlib>
#ifdef GECODE_PEAKHEAP_MALLOC_H
#include <malloc.h>
#endif
#ifdef GECODE_PEAKHEAP_MALLOC_MALLOC_H
#include <malloc/malloc.h>
#endif
#ifdef GECODE_ALLOCATOR
namespace Gecode { namespace Support {
class Allocator {
public:
Allocator(void);
void* alloc(size_t n);
void* realloc(void* p, size_t n);
void free(void* p);
void* memcpy(void *d, const void *s, size_t n);
};
forceinline
Allocator::Allocator(void) {
}
forceinline void*
Allocator::alloc(size_t n) {
return ::malloc(n);
}
forceinline void*
Allocator::realloc(void* p, size_t n) {
return ::realloc(p,n);
}
forceinline void
Allocator::free(void* p) {
::free(p);
}
forceinline void*
Allocator::memcpy(void *d, const void *s, size_t n) {
return ::memcpy(d,s,n);
}
}}
#endif
namespace Gecode { namespace Support {
extern GECODE_SUPPORT_EXPORT
Allocator allocator;
}}
// STATISTICS: support-any
Gecode::Support::Allocator::free
void free(void *p)
Free memory block p.
Definition allocator.hpp:87
Gecode::Support::Allocator::memcpy
void * memcpy(void *d, const void *s, size_t n)
Copy n bytes from source s directly to d and returns d.
Definition allocator.hpp:91
Gecode::Support::Allocator::Allocator
Allocator(void)
Default constructor.
Definition allocator.hpp:76
Gecode::Support::Allocator::alloc
void * alloc(size_t n)
Allocate memory block of size n.
Definition allocator.hpp:79
Gecode::Support::Allocator::realloc
void * realloc(void *p, size_t n)
Return address of reallocated memory block p of size n.
Definition allocator.hpp:83
Gecode::Support::allocator
Allocator allocator
The single global default memory allocator.
Definition allocator.cpp:38
Gecode::Support
Support algorithms and datastructures
Gecode
Gecode toplevel namespace
forceinline
#define forceinline
Definition config.hpp:187
GECODE_SUPPORT_EXPORT
#define GECODE_SUPPORT_EXPORT
Definition support.hh:71