OS lb-6

semester-4/ОС/lb-6/src/include/paging.hpp

@@ -0,0 +1,44 @@
+#pragma once
+
+#ifndef PAGE_REPLACEMENT_HPP
+  #define PAGE_REPLACEMENT_HPP
+
+  #include <cstdint>
+  #include <vector>
+
+namespace paging {
+
+class replacer {
+public:
+  explicit replacer(int32_t frame_count) : _frames(frame_count) {}
+  virtual ~replacer() = default;
+
+  virtual int32_t run(const std::vector<int32_t> &pages) = 0;
+
+protected:
+  int32_t _frames;
+};
+
+class optimal_replacer : public replacer {
+public:
+  using replacer::replacer;
+  int32_t run(const std::vector<int32_t> &pages) override;
+};
+
+class clock_replacer : public replacer {
+public:
+  using replacer::replacer;
+  int32_t run(const std::vector<int32_t> &pages) override;
+};
+
+class lru_replacer : public replacer {
+public:
+  using replacer::replacer;
+  int32_t run(const std::vector<int32_t> &pages) override;
+};
+
+} // namespace paging
+
+  #include "../src/paging.cpp"
+
+#endif