vlmcsd-svn1065-2016-10-12-Hotbird64

VisualStudio-Linux-Remote/toolchains/gcc5-x86_64-linux-gnu/usr/include/sys/mman.h

@@ -0,0 +1,151 @@
+/* Definitions for BSD-style memory management.
+   Copyright (C) 1994-2016 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef	_SYS_MMAN_H
+#define	_SYS_MMAN_H	1
+
+#include <features.h>
+#include <bits/types.h>
+#define __need_size_t
+#include <stddef.h>
+
+#ifndef __off_t_defined
+# ifndef __USE_FILE_OFFSET64
+typedef __off_t off_t;
+# else
+typedef __off64_t off_t;
+# endif
+# define __off_t_defined
+#endif
+
+#ifndef __mode_t_defined
+typedef __mode_t mode_t;
+# define __mode_t_defined
+#endif
+
+#include <bits/mman.h>
+
+/* Return value of `mmap' in case of an error.  */
+#define MAP_FAILED	((void *) -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 void *mmap (void *__addr, size_t __len, int __prot,
+		   int __flags, int __fd, __off_t __offset) __THROW;
+#else
+# ifdef __REDIRECT_NTH
+extern void * __REDIRECT_NTH (mmap,
+			      (void *__addr, size_t __len, int __prot,
+			       int __flags, int __fd, __off64_t __offset),
+			      mmap64);
+# else
+#  define mmap mmap64
+# endif
+#endif
+#ifdef __USE_LARGEFILE64
+extern void *mmap64 (void *__addr, size_t __len, int __prot,
+		     int __flags, int __fd, __off64_t __offset) __THROW;
+#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 (void *__addr, size_t __len) __THROW;
+
+/* 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 (void *__addr, size_t __len, int __prot) __THROW;
+
+/* 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.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern int msync (void *__addr, size_t __len, int __flags);
+
+#ifdef __USE_MISC
+/* Advise the system about particular usage patterns the program follows
+   for the region starting at ADDR and extending LEN bytes.  */
+extern int madvise (void *__addr, size_t __len, int __advice) __THROW;
+#endif
+#ifdef __USE_XOPEN2K
+/* This is the POSIX name for this function.  */
+extern int posix_madvise (void *__addr, size_t __len, int __advice) __THROW;
+#endif
+
+/* Guarantee all whole pages mapped by the range [ADDR,ADDR+LEN) to
+   be memory resident.  */
+extern int mlock (const void *__addr, size_t __len) __THROW;
+
+/* Unlock whole pages previously mapped by the range [ADDR,ADDR+LEN).  */
+extern int munlock (const void *__addr, size_t __len) __THROW;
+
+/* 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 (int __flags) __THROW;
+
+/* All currently mapped pages of the process' address space become
+   unlocked.  */
+extern int munlockall (void) __THROW;
+
+#ifdef __USE_MISC
+/* mincore returns the memory residency status of the pages in the
+   current process's address space specified by [start, start + len).
+   The status is returned in a vector of bytes.  The least significant
+   bit of each byte is 1 if the referenced page is in memory, otherwise
+   it is zero.  */
+extern int mincore (void *__start, size_t __len, unsigned char *__vec)
+     __THROW;
+#endif
+
+#ifdef __USE_GNU
+/* Remap pages mapped by the range [ADDR,ADDR+OLD_LEN) to new length
+   NEW_LEN.  If MREMAP_MAYMOVE is set in FLAGS the returned address
+   may differ from ADDR.  If MREMAP_FIXED is set in FLAGS the function
+   takes another parameter which is a fixed address at which the block
+   resides after a successful call.  */
+extern void *mremap (void *__addr, size_t __old_len, size_t __new_len,
+		     int __flags, ...) __THROW;
+
+/* Remap arbitrary pages of a shared backing store within an existing
+   VMA.  */
+extern int remap_file_pages (void *__start, size_t __size, int __prot,
+			     size_t __pgoff, int __flags) __THROW;
+#endif
+
+
+/* Open shared memory segment.  */
+extern int shm_open (const char *__name, int __oflag, mode_t __mode);
+
+/* Remove shared memory segment.  */
+extern int shm_unlink (const char *__name);
+
+__END_DECLS
+
+#endif	/* sys/mman.h */