mman.h 1.8 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546
  1. #ifndef __M32R_MMAN_H__
  2. #define __M32R_MMAN_H__
  3. /* orig : i386 2.6.0-test6 */
  4. #define PROT_READ 0x1 /* page can be read */
  5. #define PROT_WRITE 0x2 /* page can be written */
  6. #define PROT_EXEC 0x4 /* page can be executed */
  7. #define PROT_SEM 0x8 /* page may be used for atomic ops */
  8. #define PROT_NONE 0x0 /* page can not be accessed */
  9. #define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
  10. #define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
  11. #define MAP_SHARED 0x01 /* Share changes */
  12. #define MAP_PRIVATE 0x02 /* Changes are private */
  13. #define MAP_TYPE 0x0f /* Mask for type of mapping */
  14. #define MAP_FIXED 0x10 /* Interpret addr exactly */
  15. #define MAP_ANONYMOUS 0x20 /* don't use a file */
  16. #define MAP_GROWSDOWN 0x0100 /* stack-like segment */
  17. #define MAP_DENYWRITE 0x0800 /* ETXTBSY */
  18. #define MAP_EXECUTABLE 0x1000 /* mark it as an executable */
  19. #define MAP_LOCKED 0x2000 /* pages are locked */
  20. #define MAP_NORESERVE 0x4000 /* don't check for reservations */
  21. #define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */
  22. #define MAP_NONBLOCK 0x10000 /* do not block on IO */
  23. #define MS_ASYNC 1 /* sync memory asynchronously */
  24. #define MS_INVALIDATE 2 /* invalidate the caches */
  25. #define MS_SYNC 4 /* synchronous memory sync */
  26. #define MCL_CURRENT 1 /* lock all current mappings */
  27. #define MCL_FUTURE 2 /* lock all future mappings */
  28. #define MADV_NORMAL 0x0 /* default page-in behavior */
  29. #define MADV_RANDOM 0x1 /* page-in minimum required */
  30. #define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */
  31. #define MADV_WILLNEED 0x3 /* pre-fault pages */
  32. #define MADV_DONTNEED 0x4 /* discard these pages */
  33. #define MADV_REMOVE 0x5 /* remove these pages & resources */
  34. /* compatibility flags */
  35. #define MAP_ANON MAP_ANONYMOUS
  36. #define MAP_FILE 0
  37. #endif /* __M32R_MMAN_H__ */