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