sys/mman.h

   1 #ifndef _SYS_MMAN_H
   2 #define _SYS_MMAN_H
   3
   4 #define PROT_NONE       0x0
   5 #define PROT_READ       0x1
   6 #define PROT_WRITE      0x2
   7 #define PROT_EXEC       0x4
   8
   9 #define MAP_SHARED      0x01
  10 #define MAP_PRIVATE     0x02
  11
  12 #define MAP_FIXED       0x10            /* Interpret addr exactly */
  13 #define MAP_ANONYMOUS   0x20            /* don't use a file */
  14 #define MAP_GROWSDOWN   0x0100          /* stack-like segment */
  15 #define MAP_DENYWRITE   0x0800          /* ETXTBSY */
  16 #define MAP_EXECUTABLE  0x1000          /* mark it as an executable */
  17 #define MAP_LOCKED      0x2000          /* pages are locked */
  18 #define MAP_NORESERVE   0x4000          /* don't check for reservations */
  19 #define MAP_POPULATE    0x8000
  20 #define MAP_ANON        MAP_ANONYMOUS
  21 #define MAP_FILE        0
  22
  23 #define MAP_FAILED      ((void *) -1)
  24
  25 void *mmap(void *addr, int len, int prot, int flags, int fd, int offset);
  26 int munmap(void *addr, int len);
  27
  28 #endif