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authorUlrich Drepper <drepper@redhat.com>1998-09-23 18:52:55 +0000
committerUlrich Drepper <drepper@redhat.com>1998-09-23 18:52:55 +0000
commit3d42e04d74bea7bb2965a81c8d9799a8c8b9f21b (patch)
tree9c89554cbd3a5c0f10427090925d73838b79b581 /misc/sys
parenta379e56acc0955dd1ec03740cfbb632ce54b7416 (diff)
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Update.
1998-09-23 17:28 -0400 Zack Weinberg <zack@rabi.phys.columbia.edu> * misc/sys/mman.h: New file. * sysdeps/generic/bits/mman.h: New file. * sysdeps/unix/bsd/osf/bits/mman.h: New file. * sysdeps/unix/bsd/sun/sunos4/bits/mman.h: New file. * sysdeps/unix/bsd/ultrix4/bits/mman.h: New file. * sysdeps/unix/sysv/irix4/bits/mman.h: New file. * sysdeps/generic/sys/mman.h: Removed. * sysdeps/unix/bsd/osf/sys/mman.h: Removed. * sysdeps/unix/bsd/sun/sunos4/sys/mman.h: Removed. * sysdeps/unix/bsd/ultrix4/sys/mman.h: Removed. * sysdeps/unix/sysv/irix4/sys/mman.h: Removed. * sysdeps/unix/sysv/linux/sys/mman.h: Removed. * include/sys/mman.h: Look directly for misc/sys/mman.h. * misc/Makefile (headers): Add bits/mman.h. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Remove bits/mman.h. * sysdeps/unix/sysv/linux/alpha/Dist: Don't mention bits/mman.h. * sysdeps/unix/sysv/linux/arm/Dist: Likewise. * sysdeps/unix/sysv/linux/i386/Dist: Likewise. * sysdeps/unix/sysv/linux/m68k/Dist: Likewise. * sysdeps/unix/sysv/linux/mips/Dist: Likewise. * sysdeps/unix/sysv/linux/powerpc/Dist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/Dist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/Dist: Likewise. 1998-09-23 16:27 -0400 Zack Weinberg <zack@rabi.phys.columbia.edu> * sysdeps/mach/alpha/sysdep.h: Don't use #include_next. * sysdeps/mach/alpha/thread_state.h: Likewise. * sysdeps/mach/i386/sysdep.h: Likewise. * sysdeps/mach/i386/thread_state.h: Likewise. * sysdeps/mach/mips/sysdep.h: Likewise. * sysdeps/mach/mips/thread_state.h: Likewise. * sysdeps/posix/profil.c: Likewise. * sysdeps/i386/i586/memcopy.h: Likewise. * sysdeps/mach/pagecopy.h: Likewise.
Diffstat (limited to 'misc/sys')
-rw-r--r--misc/sys/mman.h102
1 files changed, 102 insertions, 0 deletions
diff --git a/misc/sys/mman.h b/misc/sys/mman.h
new file mode 100644
index 0000000..44d0d26
--- /dev/null
+++ b/misc/sys/mman.h
@@ -0,0 +1,102 @@
+/* Definitions for BSD-style memory management.
+ 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>
+
+#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, __off_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
+
+/* 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));
+
+/* 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));
+
+#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 */