mman.h
上传用户:jlfgdled
上传日期:2013-04-10
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文件大小:2k
- #ifndef __ALPHA_MMAN_H__
- #define __ALPHA_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 (OSF/1 is _wrong_) */
- #define MAP_FIXED 0x100 /* Interpret addr exactly */
- #define MAP_ANONYMOUS 0x10 /* don't use a file */
- /* not used by linux, but here to make sure we don't clash with OSF/1 defines */
- #define _MAP_HASSEMAPHORE 0x0200
- #define _MAP_INHERIT 0x0400
- #define _MAP_UNALIGNED 0x0800
- /* These are linux-specific */
- #define MAP_GROWSDOWN 0x1000 /* stack-like segment */
- #define MAP_DENYWRITE 0x2000 /* ETXTBSY */
- #define MAP_EXECUTABLE 0x4000 /* mark it as an executable */
- #define MAP_LOCKED 0x8000 /* lock the mapping */
- #define MAP_NORESERVE 0x10000 /* don't check for reservations */
- #define MS_ASYNC 1 /* sync memory asynchronously */
- #define MS_SYNC 2 /* synchronous memory sync */
- #define MS_INVALIDATE 4 /* invalidate the caches */
- #define MCL_CURRENT 8192 /* lock all currently mapped pages */
- #define MCL_FUTURE 16384 /* lock all additions to address space */
- #define MADV_NORMAL 0 /* no further special treatment */
- #define MADV_RANDOM 1 /* expect random page references */
- #define MADV_SEQUENTIAL 2 /* expect sequential page references */
- #define MADV_WILLNEED 3 /* will need these pages */
- #define MADV_SPACEAVAIL 5 /* ensure resources are available */
- #define MADV_DONTNEED 6 /* dont need these pages */
- /* compatibility flags */
- #define MAP_ANON MAP_ANONYMOUS
- #define MAP_FILE 0
- #endif /* __ALPHA_MMAN_H__ */