46 lines
891 B
C
46 lines
891 B
C
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#ifndef BLOCK_CACHE_MEM_POOL_H
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#define BLOCK_CACHE_MEM_POOL_H
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#include <boost/intrusive/list.hpp>
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#include <boost/optional.hpp>
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#include <list>
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namespace bi = boost::intrusive;
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//----------------------------------------------------------------
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namespace bcache {
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// FIXME: move to base?
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namespace mempool_detail {
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struct alloc_block : public bi::list_base_hook<> {
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};
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};
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class mempool {
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public:
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mempool(size_t block_size, size_t total_mem);
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~mempool();
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boost::optional<void *> alloc();
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void free(void *data);
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private:
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static void *alloc_aligned(size_t len, size_t alignment);
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using block_list = bi::list<mempool_detail::alloc_block>;
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void *mem_;
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block_list free_;
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//----------------
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mempool(mempool const &) = delete;
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mempool &operator =(mempool const &) = delete;
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};
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}
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//----------------------------------------------------------------
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#endif
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