paul@6 | 1 | #pragma once |
paul@6 | 2 | |
paul@6 | 3 | #include "flexpage.h" |
paul@6 | 4 | #include "page_owner.h" |
paul@6 | 5 | #include "pages.h" |
paul@6 | 6 | |
paul@6 | 7 | #include <map> |
paul@6 | 8 | #include <mutex> |
paul@6 | 9 | |
paul@6 | 10 | /* Collection types. */ |
paul@6 | 11 | |
paul@6 | 12 | typedef std::map<offset_t, Flexpage *> _AccessMap; |
paul@6 | 13 | typedef std::pair<offset_t, Flexpage *> _AccessMapEntry; |
paul@6 | 14 | |
paul@6 | 15 | /* A mapping from file positions to flexpages. */ |
paul@6 | 16 | |
paul@6 | 17 | class AccessMap |
paul@6 | 18 | { |
paul@6 | 19 | protected: |
paul@6 | 20 | _AccessMap _flexpages; |
paul@6 | 21 | std::mutex _lock; |
paul@6 | 22 | |
paul@6 | 23 | public: |
paul@6 | 24 | Flexpage *find(offset_t position); |
paul@6 | 25 | |
paul@6 | 26 | void insert(Flexpage *flexpage); |
paul@6 | 27 | |
paul@6 | 28 | bool remove(PageOwner *owner, Flexpage *flexpage); |
paul@6 | 29 | |
paul@72 | 30 | void purge(PageOwner *owner, Pages *pages); |
paul@6 | 31 | |
paul@72 | 32 | void flush_all(offset_t start, offset_t size, PageOwner *owner, Pages *pages); |
paul@6 | 33 | }; |
paul@6 | 34 | |
paul@6 | 35 | // vim: tabstop=4 expandtab shiftwidth=4 |