#ifndef _SYS_MMAN_H #define _SYS_MMAN_H #include #include #include __BEGIN_DECLS #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 */ #if defined(__mips__) #define MAP_FIXED 0x010 /* Interpret addr exactly */ #define MAP_NORESERVE 0x0400 /* don't check for reservations */ #define MAP_ANONYMOUS 0x0800 /* 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 /* pages are locked */ #define MAP_POPULATE 0x10000 #define MS_ASYNC 0x0001 /* sync memory asynchronously */ #define MS_INVALIDATE 0x0002 /* invalidate mappings & caches */ #define MS_SYNC 0x0004 /* 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(__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 MAP_POPULATE 0x20000 #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 */ #elif defined(__i386__) || defined(__s390__) || defined(__x86_64__) #define MAP_FIXED 0x10 /* Interpret addr exactly */ #define MAP_ANONYMOUS 0x20 /* don't use a file */ #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 MAP_POPULATE 0x8000 #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__) || defined (__powerpc64__) #define MAP_FIXED 0x10 /* Interpret addr exactly */ #define MAP_ANONYMOUS 0x20 /* don't use a file */ #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 MAP_POPULATE 0x8000 #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_FIXED 0x10 /* Interpret addr exactly */ #define MAP_ANONYMOUS 0x20 /* don't use a file */ #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 MAP_POPULATE 0x8000 #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(__hppa__) #define MAP_TYPE 0x03 /* Mask for type of mapping */ #define MAP_FIXED 0x04 /* Interpret addr exactly */ #define MAP_ANONYMOUS 0x10 /* don't use a file */ #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 MAP_GROWSDOWN 0x8000 /* stack-like segment */ #define MAP_POPULATE 0x10000 #define MS_SYNC 1 /* synchronous memory sync */ #define MS_ASYNC 2 /* sync memory asynchronously */ #define MS_INVALIDATE 4 /* invalidate the caches */ #define MCL_CURRENT 1 /* lock all current mappings */ #define MCL_FUTURE 2 #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_DONTNEED 4 /* don't need these pages */ #define MADV_SPACEAVAIL 5 /* insure that resources are reserved */ #define MADV_VPS_PURGE 6 /* Purge pages from VM page cache */ #define MADV_VPS_INHERIT 7 /* Inherit parents page size */ #define MADV_4K_PAGES 12 /* Use 4K pages */ #define MADV_16K_PAGES 14 /* Use 16K pages */ #define MADV_64K_PAGES 16 /* Use 64K pages */ #define MADV_256K_PAGES 18 /* Use 256K pages */ #define MADV_1M_PAGES 20 /* Use 1 Megabyte pages */ #define MADV_4M_PAGES 22 /* Use 4 Megabyte pages */ #define MADV_16M_PAGES 24 /* Use 16 Megabyte pages */ #define MADV_64M_PAGES 26 /* Use 64 Megabyte pages */ #elif defined(__ia64__) #define MAP_TYPE 0x0f /* Mask for type of mapping */ #define MAP_FIXED 0x10 /* Interpret addr exactly */ #define MAP_ANONYMOUS 0x20 /* don't use a file */ #define MAP_GROWSDOWN 0x0100 /* stack-like segment */ #define MAP_GROWSUP 0x0200 /* register 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 MAP_POPULATE 0x8000 #define MAP_WRITECOMBINED 0x10000 /* write-combine the area */ #define MAP_NONCACHED 0x20000 /* don't cache the memory */ #define MS_ASYNC 1 /* sync memory asynchronously */ #define MS_INVALIDATE 2 /* invalidate the caches */ #define MS_SYNC 4 /* synchronous memory sync */ #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; #ifndef __NO_STAT64 #if defined _FILE_OFFSET_BITS && _FILE_OFFSET_BITS == 64 #define mmap(a,b,c,d,e,f) mmap64(a,b,c,d,e,f) #endif #endif int mlockall(int flags) __THROW; int mlock(const void *addr, size_t len) __THROW; int munlock(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 __END_DECLS #endif