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#ifndef _SYS_MMAN_H
#define _SYS_MMAN_H
#include <sys/cdefs.h>
#include <sys/types.h>
#define MREMAP_MAYMOVE 1UL
#define MREMAP_FIXED 2UL
#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 */
#ifdef __alpha__
#define MAP_FIXED 0x100 /* Interpret addr exactly */
#define MAP_ANONYMOUS 0x10 /* don't use a file */
#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 */
#else
#define MAP_FIXED 0x10 /* Interpret addr exactly */
#define MAP_ANONYMOUS 0x20 /* don't use a file */
#endif
#if defined(__i386__)
#define MAP_GROWSDOWN 0x0100 /* stack-like segment */
#define MAP_DENYWRITE 0x0800 /* ETXTBSY */
#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */
#define MAP_LOCKED 0x2000 /* pages are locked */
#define MAP_NORESERVE 0x4000 /* don't check for reservations */
#define MS_ASYNC 1 /* sync memory asynchronously */
#define MS_INVALIDATE 2 /* invalidate the caches */
#define MS_SYNC 4 /* synchronous memory sync */
#define MCL_CURRENT 1 /* lock all current mappings */
#define MCL_FUTURE 2 /* lock all future mappings */
#define MADV_NORMAL 0x0 /* default page-in behavior */
#define MADV_RANDOM 0x1 /* page-in minimum required */
#define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */
#define MADV_WILLNEED 0x3 /* pre-fault pages */
#define MADV_DONTNEED 0x4 /* discard these pages */
#elif defined(__sparc__) || defined (__powerpc__)
#define MAP_RENAME MAP_ANONYMOUS /* In SunOS terminology */
#define MAP_NORESERVE 0x40 /* don't reserve swap pages */
#define MAP_INHERIT 0x80 /* SunOS doesn't do this, but... */
#define MAP_LOCKED 0x100 /* lock the mapping */
#define _MAP_NEW 0x80000000 /* Binary compatibility is fun... */
#define MAP_GROWSDOWN 0x0100 /* stack-like segment */
#define MAP_DENYWRITE 0x0800 /* ETXTBSY */
#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */
#define MS_ASYNC 1 /* sync memory asynchronously */
#define MS_INVALIDATE 2 /* invalidate the caches */
#define MS_SYNC 4 /* synchronous memory sync */
#define MCL_CURRENT 0x2000 /* lock all currently mapped pages */
#define MCL_FUTURE 0x4000 /* lock all additions to address space */
#define MADV_NORMAL 0x0 /* default page-in behavior */
#define MADV_RANDOM 0x1 /* page-in minimum required */
#define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */
#define MADV_WILLNEED 0x3 /* pre-fault pages */
#define MADV_DONTNEED 0x4 /* discard these pages */
#define MADV_FREE 0x5 /* (Solaris) contents can be freed */
#elif defined (__arm__)
#define MAP_GROWSDOWN 0x0100 /* stack-like segment */
#define MAP_DENYWRITE 0x0800 /* ETXTBSY */
#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */
#define MAP_LOCKED 0x2000 /* pages are locked */
#define MAP_NORESERVE 0x4000 /* don't check for reservations */
#define MS_ASYNC 1 /* sync memory asynchronously */
#define MS_INVALIDATE 2 /* invalidate the caches */
#define MS_SYNC 4 /* synchronous memory sync */
#define MCL_CURRENT 1 /* lock all current mappings */
#define MCL_FUTURE 2 /* lock all future mappings */
#define MADV_NORMAL 0x0 /* default page-in behavior */
#define MADV_RANDOM 0x1 /* page-in minimum required */
#define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */
#define MADV_WILLNEED 0x3 /* pre-fault pages */
#define MADV_DONTNEED 0x4 /* discard these pages */
#endif
/* compatibility flags */
#define MAP_ANON MAP_ANONYMOUS
#define MAP_FILE 0
#define MAP_FAILED ((void *) -1)
extern void *mmap (void *__addr, size_t __len, int __prot,
int __flags, int __fd, off_t __offset);
extern int munmap (void *__addr, size_t __len) __THROW;
extern int mprotect (void *__addr, size_t __len, int __prot) __THROW;
extern int msync (void *__addr, size_t __len, int __flags) __THROW;
extern void *mremap (void *__addr, size_t __old_len, size_t __new_len,
unsigned long __may_move) __THROW;
extern int mincore (void *__start, size_t __len, unsigned char *__vec);
extern void *mmap64 (void *__addr, size_t __len, int __prot,
int __flags, int __fd, off64_t __offset) __THROW;
int mlockall(int flags) __THROW;
int mlock(const void *addr, size_t len) __THROW;
int munlockall(void) __THROW;
int madvise(void *start, size_t length, int advice) __THROW;
#define _POSIX_MAPPED_FILES
#endif
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