genesis-3d_engine/Engine/foundation/memory/osx/osxheap.h

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/****************************************************************************
Copyright (c) 2010, Radon Labs GmbH
Copyright (c) 2011-2013,WebJet Business Division,CYOU
http://www.genesis-3d.com.cn
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 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#pragma once
#include "core/types.h"
//------------------------------------------------------------------------------
namespace OSX
{
class OSXHeap
{
public:
/// static setup method (called by Core::SysFunc::Setup)
static void Setup();
/// constructor (name must be a static string!)
OSXHeap(const char* name, size_t initialSize=64 * 1024);
/// destructor
~OSXHeap();
/// get heap name
const char* GetName() const;
/// allocate a block of memory from the heap
void* Alloc(size_t size, size_t alignment=16);
/// re-allocate a block of memory
void* Realloc(void* ptr, size_t newSize);
/// free a block of memory
void Free(void* ptr);
#if NEBULA3_MEMORY_STATS
/// heap stats structure
struct Stats
{
const char* name;
int allocCount;
int allocSize;
};
/// gather stats from all existing heaps
static Util::Array<Stats> GetAllHeapStats();
/// validate all heaps
static bool ValidateAllHeaps();
/// validate the heap (only useful in Debug builds)
bool ValidateHeap() const;
/// dump memory leaks from this heap
void DumpLeaks();
/// dump memory leaks from all heaps
static void DumpLeaksAllHeaps();
/// get the current alloc count
int GetAllocCount() const;
/// get the current alloc size
int GetAllocSize() const;
#endif
private:
/// default constructor not allowed
OSXHeap();
const char* name;
malloc_zone_t* heapZone;
#if NEBULA3_MEMORY_STATS
int volatile allocCount;
int volatile allocSize;
static Threading::CriticalSection* criticalSection;
static Util::List<OSXHeap*>* list;
Util::List<OSXHeap*>::Iterator listIterator;
#endif
};
//------------------------------------------------------------------------------
/**
*/
inline const char*
OSXHeap::GetName() const
{
n_assert(0 != this->name);
return this->name;
}
} // namespace OSX