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0ad/source/lib/allocators/shared_ptr.h
Ykkrosh c9fa7f13d9 Add GPL header
This was SVN commit r6830.
2009-04-18 17:00:33 +00:00

75 lines
1.5 KiB
C++

/* Copyright (C) 2009 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_SHARED_PTR
#define INCLUDED_SHARED_PTR
#include "lib/sysdep/arch/x86_x64/x86_x64.h"
#include "lib/sysdep/rtl.h" // rtl_AllocateAligned
struct DummyDeleter
{
template<class T>
void operator()(T*)
{
}
};
template<class T>
shared_ptr<T> DummySharedPtr(T* ptr)
{
return shared_ptr<T>(ptr, DummyDeleter());
}
struct ArrayDeleter
{
template<class T>
void operator()(T* p)
{
delete[] p;
}
};
struct FreeDeleter
{
template<class T>
void operator()(T* p)
{
free(p);
}
};
// (note: uses CheckedArrayDeleter)
LIB_API shared_ptr<u8> Allocate(size_t size);
struct AlignedDeleter
{
template<class T>
void operator()(T* t)
{
_mm_free(t);
}
};
template<class T>
shared_ptr<T> AllocateAligned(size_t size)
{
return shared_ptr<T>((T*)rtl_AllocateAligned(size, x86_x64_L1CacheLineSize()), AlignedDeleter());
}
#endif // #ifndef INCLUDED_SHARED_PTR