paul@72 | 1 | #pragma once |
paul@72 | 2 | |
paul@72 | 3 | #include <systypes/base.h> |
paul@72 | 4 | |
paul@72 | 5 | #include <list> |
paul@72 | 6 | #include <mutex> |
paul@72 | 7 | |
paul@72 | 8 | #include "memory.h" |
paul@72 | 9 | |
paul@72 | 10 | |
paul@72 | 11 | |
paul@72 | 12 | /* A memory pool abstraction. */ |
paul@72 | 13 | |
paul@72 | 14 | class MemoryPreallocated : public Memory |
paul@72 | 15 | { |
paul@72 | 16 | protected: |
paul@72 | 17 | std::mutex _lock; |
paul@72 | 18 | std::list<Region *> _regions; |
paul@72 | 19 | |
paul@72 | 20 | Memory *_memory; |
paul@91 | 21 | length_t _amount; |
paul@72 | 22 | |
paul@72 | 23 | public: |
paul@91 | 24 | explicit MemoryPreallocated(Memory *memory, length_t amount); |
paul@72 | 25 | |
paul@72 | 26 | explicit MemoryPreallocated(); |
paul@72 | 27 | |
paul@73 | 28 | virtual ~MemoryPreallocated(); |
paul@73 | 29 | |
paul@72 | 30 | virtual Region *region(); |
paul@72 | 31 | |
paul@91 | 32 | virtual length_t region_size() |
paul@72 | 33 | { return _memory->region_size(); } |
paul@72 | 34 | |
paul@72 | 35 | virtual void release(Region *region); |
paul@72 | 36 | }; |
paul@72 | 37 | |
paul@72 | 38 | // vim: tabstop=4 expandtab shiftwidth=4 |