63 lines
2.7 KiB
C
63 lines
2.7 KiB
C
/* $Id: mman.h,v 1.9 2000/03/15 02:44:23 davem Exp $ */
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#ifndef __SPARC_MMAN_H__
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#define __SPARC_MMAN_H__
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/* SunOS'ified... */
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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_RENAME MAP_ANONYMOUS /* In SunOS terminology */
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#define MAP_NORESERVE 0x40 /* don't reserve swap pages */
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#define MAP_INHERIT 0x80 /* SunOS doesn't do this, but... */
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#define MAP_LOCKED 0x100 /* lock the mapping */
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#define _MAP_NEW 0x80000000 /* Binary compatibility is fun... */
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#define MAP_GROWSDOWN 0x0200 /* 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 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 0x2000 /* lock all currently mapped pages */
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#define MCL_FUTURE 0x4000 /* lock all additions to address space */
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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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/* XXX Need to add flags to SunOS's mctl, mlockall, and madvise system
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* XXX calls.
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*/
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/* SunOS sys_mctl() stuff... */
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#define MC_SYNC 1 /* Sync pages in memory with storage (usu. a file) */
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#define MC_LOCK 2 /* Lock pages into core ram, do not allow swapping of them */
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#define MC_UNLOCK 3 /* Unlock pages locked via previous mctl() with MC_LOCK arg */
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#define MC_LOCKAS 5 /* Lock an entire address space of the calling process */
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#define MC_UNLOCKAS 6 /* Unlock entire address space of calling process */
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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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#define MADV_FREE 0x5 /* (Solaris) contents can be freed */
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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 /* __SPARC_MMAN_H__ */
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