45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Copyright 2015-2017 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef CRUFT_UTIL_ALLOC_RAW_FALLBACK_HPP
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#define CRUFT_UTIL_ALLOC_RAW_FALLBACK_HPP
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#include <cstddef>
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#include <tuple>
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namespace util::alloc::raw {
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/// A raw memory allocator that allocates memory series of child
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/// allocators, preferring earlier allocators.
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template <typename ...ChildT>
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class fallback {
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public:
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fallback (ChildT &..._children):
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m_children (_children...)
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{ ; }
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void* allocate (size_t bytes);
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void* allocate (size_t bytes, size_t align);
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void deallocate (void *ptr, size_t bytes);
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void deallocate (void *ptr, size_t bytes, size_t align);
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private:
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std::tuple<ChildT&...> m_children;
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};
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}
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#endif
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