mman.h
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上传日期:2013-04-10
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文件大小:2k
- /*
- * BK Id: SCCS/s.mman.h 1.7 05/17/01 18:14:25 cort
- */
- #ifndef __PPC_MMAN_H__
- #define __PPC_MMAN_H__
- #define PROT_READ 0x1 /* page can be read */
- #define PROT_WRITE 0x2 /* page can be written */
- #define PROT_EXEC 0x4 /* page can be executed */
- #define PROT_NONE 0x0 /* page can not be accessed */
- #define MAP_SHARED 0x01 /* Share changes */
- #define MAP_PRIVATE 0x02 /* Changes are private */
- #define MAP_TYPE 0x0f /* Mask for type of mapping */
- #define MAP_FIXED 0x10 /* Interpret addr exactly */
- #define MAP_ANONYMOUS 0x20 /* don't use a file */
- #define MAP_RENAME MAP_ANONYMOUS /* In SunOS terminology */
- #define MAP_NORESERVE 0x40 /* don't reserve swap pages */
- #define MAP_LOCKED 0x80
- #define MAP_GROWSDOWN 0x0100 /* stack-like segment */
- #define MAP_DENYWRITE 0x0800 /* ETXTBSY */
- #define MAP_EXECUTABLE 0x1000 /* mark it as an executable */
- #define MS_ASYNC 1 /* sync memory asynchronously */
- #define MS_INVALIDATE 2 /* invalidate the caches */
- #define MS_SYNC 4 /* synchronous memory sync */
- #define MCL_CURRENT 0x2000 /* lock all currently mapped pages */
- #define MCL_FUTURE 0x4000 /* lock all additions to address space */
- #define MADV_NORMAL 0x0 /* default page-in behavior */
- #define MADV_RANDOM 0x1 /* page-in minimum required */
- #define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */
- #define MADV_WILLNEED 0x3 /* pre-fault pages */
- #define MADV_DONTNEED 0x4 /* discard these pages */
- /* compatibility flags */
- #define MAP_ANON MAP_ANONYMOUS
- #define MAP_FILE 0
- #endif /* __PPC_MMAN_H__ */