76 lines
2.0 KiB
C++
76 lines
2.0 KiB
C++
/* Copyright (C) 2021 Wildfire Games.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef INCLUDED_ALLOCATORS_SHARED_PTR
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#define INCLUDED_ALLOCATORS_SHARED_PTR
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#include "lib/alignment.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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inline std::shared_ptr<T> DummySharedPtr(T* ptr)
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{
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return std::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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// (note: uses CheckedArrayDeleter)
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LIB_API std::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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rtl_FreeAligned(t);
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}
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};
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template<class T>
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static inline Status AllocateAligned(std::shared_ptr<T>& p, size_t size, size_t alignment = cacheLineSize)
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{
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void* mem = rtl_AllocateAligned(size, alignment);
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if(!mem)
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WARN_RETURN(ERR::NO_MEM);
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p.reset((T*)mem, AlignedDeleter());
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return INFO::OK;
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}
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#endif // #ifndef INCLUDED_ALLOCATORS_SHARED_PTR
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