src/map.h

   1 #ifndef INCLUDE_map_h__
   2 #define INCLUDE_map_h__
   3
   4 #include "common.h"
   5
   6
   7 /* git__mmap() prot values */
   8 #define GIT_PROT_NONE  0x0
   9 #define GIT_PROT_READ  0x1
  10 #define GIT_PROT_WRITE 0x2
  11 #define GIT_PROT_EXEC  0x4
  12
  13 /* git__mmmap() flags values */
  14 #define GIT_MAP_FILE    0
  15 #define GIT_MAP_SHARED  1
  16 #define GIT_MAP_PRIVATE 2
  17 #define GIT_MAP_TYPE    0xf
  18 #define GIT_MAP_FIXED   0x10
  19
  20 typedef struct {  /* memory mapped buffer   */
  21         void *data;  /* data bytes          */
  22         size_t len;  /* data length         */
  23 #ifdef GIT_WIN32
  24         HANDLE fmh;  /* file mapping handle */
  25 #endif
  26 } git_map;
  27
  28 extern int git__mmap(git_map *out, size_t len, int prot, int flags, int fd, off_t offset);
  29 extern int git__munmap(git_map *map);
  30
  31 #endif /* INCLUDE_map_h__ */