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/* Copyright (C) 2010 Wildfire Games.
*
* 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.
*/
#ifndef INCLUDED_ALLOCATORS_SHARED_PTR
#define INCLUDED_ALLOCATORS_SHARED_PTR
#include "lib/alignment.h"
#include "lib/sysdep/rtl.h" // rtl_AllocateAligned
struct DummyDeleter
{
template<class T>
void operator()(T*)
{
}
};
template<class T>
inline shared_ptr<T> DummySharedPtr(T* ptr)
{
return shared_ptr<T>(ptr, DummyDeleter());
}
struct ArrayDeleter
{
template<class T>
void operator()(T* p)
{
delete[] p;
}
};
// (note: uses CheckedArrayDeleter)
LIB_API shared_ptr<u8> Allocate(size_t size);
struct AlignedDeleter
{
template<class T>
void operator()(T* t)
{
rtl_FreeAligned(t);
}
};
template<class T>
static inline Status AllocateAligned(shared_ptr<T>& p, size_t size, size_t alignment = cacheLineSize)
{
void* mem = rtl_AllocateAligned(size, alignment);
if(!mem)
WARN_RETURN(ERR::NO_MEM);
p.reset((T*)mem, AlignedDeleter());
return INFO::OK;
}
#endif // #ifndef INCLUDED_ALLOCATORS_SHARED_PTR
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