diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sys')
-rw-r--r-- | sysdeps/unix/sysv/linux/sys/mman.h | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/sysdeps/unix/sysv/linux/sys/mman.h b/sysdeps/unix/sysv/linux/sys/mman.h deleted file mode 100644 index ac17af71c0..0000000000 --- a/sysdeps/unix/sysv/linux/sys/mman.h +++ /dev/null @@ -1,103 +0,0 @@ -/* Definitions for POSIX-style memory management. Linux version. - Copyright (C) 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#ifndef _SYS_MMAN_H -#define _SYS_MMAN_H 1 - -#include <features.h> -#include <bits/types.h> -#define __need_size_t -#include <stddef.h> - -/* Get the bit values from the kernel header file. */ -#include <bits/mman.h> - -/* Return value of `mmap' in case of an error. */ -#define MAP_FAILED ((__ptr_t) -1) - -__BEGIN_DECLS -/* Map addresses starting near ADDR and extending for LEN bytes. from - OFFSET into the file FD describes according to PROT and FLAGS. If ADDR - is nonzero, it is the desired mapping address. If the MAP_FIXED bit is - set in FLAGS, the mapping will be at ADDR exactly (which must be - page-aligned); otherwise the system chooses a convenient nearby address. - The return value is the actual mapping address chosen or MAP_FAILED - for errors (in which case `errno' is set). A successful `mmap' call - deallocates any previous mapping for the affected region. */ - -#ifndef __USE_FILE_OFFSET64 -extern __ptr_t mmap __P ((__ptr_t __addr, size_t __len, int __prot, - int __flags, int __fd, __off_t __offset)); -#else -extern __ptr_t mmap __P ((__ptr_t __addr, size_t __len, int __prot, - int __flags, int __fd, __off64_t __offset)) - __asm__ ("mmap64"); -#endif -#ifdef __USE_LARGEFILE64 -extern __ptr_t mmap64 __P ((__ptr_t __addr, size_t __len, int __prot, - int __flags, int __fd, __off64_t __offset)); -#endif - -/* Deallocate any mapping for the region starting at ADDR and extending LEN - bytes. Returns 0 if successful, -1 for errors (and sets errno). */ -extern int munmap __P ((__ptr_t __addr, size_t __len)); - -/* Change the memory protection of the region starting at ADDR and - extending LEN bytes to PROT. Returns 0 if successful, -1 for errors - (and sets errno). */ -extern int mprotect __P ((__ptr_t __addr, size_t __len, int __prot)); - -/* Synchronize the region starting at ADDR and extending LEN bytes with the - file it maps. Filesystem operations on a file being mapped are - unpredictable before this is done. Flags are from the MS_* set. */ -extern int msync __P ((__ptr_t __addr, size_t __len, int __flags)); - -#ifdef __USE_BSD -/* Advise the system about particular usage patterns the program follows - for the region starting at ADDR and extending LEN bytes. */ -extern int madvise __P ((__ptr_t __addr, size_t __len, int __advice)); -#endif - -/* Cause all currently mapped pages of the process to be memory resident - until unlocked by a call to the `munlockall', until the process exits, - or until the process calls `execve'. */ -extern int mlockall __P ((int __flags)); - -/* All currently mapped pages of the process' address space become - unlocked. */ -extern int munlockall __P ((void)); - -/* Guarantee all whole pages mapped by the range [ADDR,ADDR+LEN) to - be memory resident. */ -extern int mlock __P ((__const __ptr_t __addr, size_t __len)); - -/* Unlock whole pages previously mapped by the range [ADDR,ADDR+LEN). */ -extern int munlock __P ((__const __ptr_t __addr, size_t __len)); - -#ifdef __USE_MISC -/* Remap pages mapped by the range [ADDR,ADDR+OLD_LEN) to new length - NEW_LEN. If MAY_MOVE is MREMAP_MAYMOVE the returned address may - differ from ADDR. */ -extern __ptr_t mremap __P ((__ptr_t __addr, size_t __old_len, - size_t __new_len, int __may_move)); -#endif - -__END_DECLS - -#endif /* _SYS_MMAN_H */ |