1 /* $Id: mman.h,v 1.9 2000/03/15 02:44:23 davem Exp $ */ 2 #ifndef __SPARC_MMAN_H__ 3 #define __SPARC_MMAN_H__ 4 5 /* SunOS'ified... */ 6 7 #define PROT_READ 0x1 /* page can be read */ 8 #define PROT_WRITE 0x2 /* page can be written */ 9 #define PROT_EXEC 0x4 /* page can be executed */ 10 #define PROT_NONE 0x0 /* page can not be accessed */ 11 12 #define MAP_SHARED 0x01 /* Share changes */ 13 #define MAP_PRIVATE 0x02 /* Changes are private */ 14 #define MAP_TYPE 0x0f /* Mask for type of mapping */ 15 #define MAP_FIXED 0x10 /* Interpret addr exactly */ 16 #define MAP_ANONYMOUS 0x20 /* don't use a file */ 17 #define MAP_RENAME MAP_ANONYMOUS /* In SunOS terminology */ 18 #define MAP_NORESERVE 0x40 /* don't reserve swap pages */ 19 #define MAP_INHERIT 0x80 /* SunOS doesn't do this, but... */ 20 #define MAP_LOCKED 0x100 /* lock the mapping */ 21 #define _MAP_NEW 0x80000000 /* Binary compatibility is fun... */ 22 23 #define MAP_GROWSDOWN 0x0200 /* stack-like segment */ 24 #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ 25 #define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ 26 27 #define MS_ASYNC 1 /* sync memory asynchronously */ 28 #define MS_INVALIDATE 2 /* invalidate the caches */ 29 #define MS_SYNC 4 /* synchronous memory sync */ 30 31 #define MCL_CURRENT 0x2000 /* lock all currently mapped pages */ 32 #define MCL_FUTURE 0x4000 /* lock all additions to address space */ 33 34 /* XXX Need to add flags to SunOS's mctl, mlockall, and madvise system 35 * XXX calls. 36 */ 37 38 /* SunOS sys_mctl() stuff... */ 39 #define MC_SYNC 1 /* Sync pages in memory with storage (usu. a file) */ 40 #define MC_LOCK 2 /* Lock pages into core ram, do not allow swapping of them */ 41 #define MC_UNLOCK 3 /* Unlock pages locked via previous mctl() with MC_LOCK arg */ 42 #define MC_LOCKAS 5 /* Lock an entire address space of the calling process */ 43 #define MC_UNLOCKAS 6 /* Unlock entire address space of calling process */ 44 45 #define MADV_NORMAL 0x0 /* default page-in behavior */ 46 #define MADV_RANDOM 0x1 /* page-in minimum required */ 47 #define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */ 48 #define MADV_WILLNEED 0x3 /* pre-fault pages */ 49 #define MADV_DONTNEED 0x4 /* discard these pages */ 50 #define MADV_FREE 0x5 /* (Solaris) contents can be freed */ 51 52 /* compatibility flags */ 53 #define MAP_ANON MAP_ANONYMOUS 54 #define MAP_FILE 0 55 56 #endif /* __SPARC_MMAN_H__ */ 57