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422 giacomo 1
#ifndef __I386_MMAN_H__
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#define __I386_MMAN_H__
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#define PROT_READ       0x1             /* page can be read */
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#define PROT_WRITE      0x2             /* page can be written */
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#define PROT_EXEC       0x4             /* page can be executed */
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#define PROT_SEM        0x8             /* page may be used for atomic ops */
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#define PROT_NONE       0x0             /* page can not be accessed */
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#define PROT_GROWSDOWN  0x01000000      /* mprotect flag: extend change to start of growsdown vma */
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#define PROT_GROWSUP    0x02000000      /* mprotect flag: extend change to end of growsup vma */
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#define MAP_SHARED      0x01            /* Share changes */
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#define MAP_PRIVATE     0x02            /* Changes are private */
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#define MAP_TYPE        0x0f            /* Mask for type of mapping */
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#define MAP_FIXED       0x10            /* Interpret addr exactly */
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#define MAP_ANONYMOUS   0x20            /* don't use a file */
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#define MAP_GROWSDOWN   0x0100          /* stack-like segment */
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#define MAP_DENYWRITE   0x0800          /* ETXTBSY */
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#define MAP_EXECUTABLE  0x1000          /* mark it as an executable */
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#define MAP_LOCKED      0x2000          /* pages are locked */
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#define MAP_NORESERVE   0x4000          /* don't check for reservations */
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#define MAP_POPULATE    0x8000          /* populate (prefault) pagetables */
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#define MAP_NONBLOCK    0x10000         /* do not block on IO */
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#define MS_ASYNC        1               /* sync memory asynchronously */
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#define MS_INVALIDATE   2               /* invalidate the caches */
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#define MS_SYNC         4               /* synchronous memory sync */
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#define MCL_CURRENT     1               /* lock all current mappings */
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#define MCL_FUTURE      2               /* lock all future mappings */
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#define MADV_NORMAL     0x0             /* default page-in behavior */
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#define MADV_RANDOM     0x1             /* page-in minimum required */
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#define MADV_SEQUENTIAL 0x2             /* read-ahead aggressively */
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#define MADV_WILLNEED   0x3             /* pre-fault pages */
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#define MADV_DONTNEED   0x4             /* discard these pages */
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/* compatibility flags */
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#define MAP_ANON        MAP_ANONYMOUS
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#define MAP_FILE        0
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#endif /* __I386_MMAN_H__ */