1 files changed, 36 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/posix_fadvise.c b/sysdeps/unix/sysv/linux/posix_fadvise.c
new file mode 100644
index 0000000000..fb1e59b2d3
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/posix_fadvise.c
@@ -0,0 +1,36 @@
+/* Copyright (C) 2003 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <sysdep.h>
+
+/* Advice the system about the expected behaviour of the application with
+   respect to the file associated with FD.  */
+
+int
+posix_fadvise (int fd, __off_t offset, size_t len, int advise)
+{
+#ifdef __NR_fadvise64
+  return INLINE_SYSCALL (fadvise64, 5, fd,
+			 __LONG_LONG_PAIR (offset >> 31, offset), len, advise);
+#else
+  __set_errno (ENOSYS);
+  return -1;
+#endif
+}