27 #include "gc/z/zGranuleMap.hpp"
  28 #include "memory/allocation.hpp"
  29 
  30 #include <Windows.h>
  31 
  32 class ZBackingFile {
  33 private:
  34   ZGranuleMap<HANDLE> _handles;
  35   size_t              _size;
  36 
  37   HANDLE get_handle(uintptr_t offset) const;
  38   void put_handle(uintptr_t offset, HANDLE handle);
  39   void clear_handle(uintptr_t offset);
  40 
  41   size_t commit_from_paging_file(size_t offset, size_t size);
  42   size_t uncommit_from_paging_file(size_t offset, size_t size);
  43 
  44 public:
  45   ZBackingFile();
  46 




  47   size_t size() const;
  48 
  49   size_t commit(size_t offset, size_t length);
  50   size_t uncommit(size_t offset, size_t length);
  51 
  52   void map(uintptr_t addr, size_t size, size_t offset) const;
  53   void unmap(uintptr_t addr, size_t size) const;
  54 };
  55 
  56 #endif // OS_WINDOWS_GC_Z_ZBACKINGFILE_WINDOWS_HPP

  27 #include "gc/z/zGranuleMap.hpp"
  28 #include "memory/allocation.hpp"
  29 
  30 #include <Windows.h>
  31 
  32 class ZBackingFile {
  33 private:
  34   ZGranuleMap<HANDLE> _handles;
  35   size_t              _size;
  36 
  37   HANDLE get_handle(uintptr_t offset) const;
  38   void put_handle(uintptr_t offset, HANDLE handle);
  39   void clear_handle(uintptr_t offset);
  40 
  41   size_t commit_from_paging_file(size_t offset, size_t size);
  42   size_t uncommit_from_paging_file(size_t offset, size_t size);
  43 
  44 public:
  45   ZBackingFile();
  46 
  47   bool is_initialized() const;
  48 
  49   void warn_commit_limits(size_t max) const;
  50 
  51   size_t size() const;
  52 
  53   size_t commit(size_t offset, size_t length);
  54   size_t uncommit(size_t offset, size_t length);
  55 
  56   void map(uintptr_t addr, size_t size, size_t offset) const;
  57   void unmap(uintptr_t addr, size_t size) const;
  58 };
  59 
  60 #endif // OS_WINDOWS_GC_Z_ZBACKINGFILE_WINDOWS_HPP