about summary refs log tree commit diff
path: root/sysdeps/unix/sysv/linux/arm/readahead.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/unix/sysv/linux/arm/readahead.c')
-rw-r--r--sysdeps/unix/sysv/linux/arm/readahead.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/arm/readahead.c b/sysdeps/unix/sysv/linux/arm/readahead.c
new file mode 100644
index 0000000000..cba460c2b5
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arm/readahead.c
@@ -0,0 +1,37 @@
+/* Provide kernel hint to read ahead.
+   Copyright (C) 2002-2014 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/>.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <endian.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+
+
+ssize_t
+__readahead (int fd, off64_t offset, size_t count)
+{
+  return INLINE_SYSCALL (readahead, 5, fd, 0,
+			 __LONG_LONG_PAIR ((off_t) (offset >> 32),
+					   (off_t) (offset & 0xffffffff)),
+			 count);
+}
+
+weak_alias (__readahead, readahead)