include/maps.h

   1 #pragma once
   2
   3 #include "list.h"
   4
   5 extern char *page_zeros;
   6 extern char *page_0xff;
   7 extern char *page_rand;
   8 extern unsigned long *page_allocs;
   9 extern unsigned long *page_maps;
  10
  11 void init_shared_pages(void);
  12
  13 #define MAP_GLOBAL 1
  14 #define MAP_LOCAL 2
  15
  16 struct map {
  17         struct list_head list;
  18         void *ptr;
  19         char *name;
  20         unsigned long size;
  21         int prot;
  22         unsigned char type;
  23 };
  24
  25 extern unsigned int num_shared_mappings;
  26 extern struct map *shared_mappings;
  27
  28 void setup_shared_mappings(void);
  29 void destroy_shared_mappings(void);
  30
  31 void delete_mapping(int childno, struct map *map);
  32
  33 struct map * get_map(void);
  34
  35 struct map * common_set_mmap_ptr_len(int childno);
  36
  37 void dirty_mapping(struct map *map);