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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | #ifndef __I386_MMAN_H__ |
| 2 | #define __I386_MMAN_H__ |
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| 3 | |||
| 4 | #define PROT_READ 0x1 /* page can be read */ |
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| 5 | #define PROT_WRITE 0x2 /* page can be written */ |
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| 6 | #define PROT_EXEC 0x4 /* page can be executed */ |
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| 7 | #define PROT_SEM 0x8 /* page may be used for atomic ops */ |
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| 8 | #define PROT_NONE 0x0 /* page can not be accessed */ |
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| 9 | #define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */ |
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| 10 | #define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */ |
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| 11 | |||
| 12 | #define MAP_SHARED 0x01 /* Share changes */ |
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| 13 | #define MAP_PRIVATE 0x02 /* Changes are private */ |
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| 14 | #define MAP_TYPE 0x0f /* Mask for type of mapping */ |
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| 15 | #define MAP_FIXED 0x10 /* Interpret addr exactly */ |
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| 16 | #define MAP_ANONYMOUS 0x20 /* don't use a file */ |
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| 17 | |||
| 18 | #define MAP_GROWSDOWN 0x0100 /* stack-like segment */ |
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| 19 | #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ |
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| 20 | #define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ |
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| 21 | #define MAP_LOCKED 0x2000 /* pages are locked */ |
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| 22 | #define MAP_NORESERVE 0x4000 /* don't check for reservations */ |
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| 23 | #define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ |
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| 24 | #define MAP_NONBLOCK 0x10000 /* do not block on IO */ |
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| 25 | |||
| 26 | #define MS_ASYNC 1 /* sync memory asynchronously */ |
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| 27 | #define MS_INVALIDATE 2 /* invalidate the caches */ |
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| 28 | #define MS_SYNC 4 /* synchronous memory sync */ |
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| 29 | |||
| 30 | #define MCL_CURRENT 1 /* lock all current mappings */ |
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| 31 | #define MCL_FUTURE 2 /* lock all future mappings */ |
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| 32 | |||
| 33 | #define MADV_NORMAL 0x0 /* default page-in behavior */ |
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| 34 | #define MADV_RANDOM 0x1 /* page-in minimum required */ |
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| 35 | #define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */ |
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| 36 | #define MADV_WILLNEED 0x3 /* pre-fault pages */ |
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| 37 | #define MADV_DONTNEED 0x4 /* discard these pages */ |
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| 38 | |||
| 39 | /* compatibility flags */ |
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| 40 | #define MAP_ANON MAP_ANONYMOUS |
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| 41 | #define MAP_FILE 0 |
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| 42 | |||
| 43 | #endif /* __I386_MMAN_H__ */ |