1 files changed, 68 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/llseek.c b/nptl/sysdeps/unix/sysv/linux/llseek.c
new file mode 100644
index 0000000000..e807bcfec2
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/llseek.c
@@ -0,0 +1,68 @@
+/* Long-long seek operation.
+   Copyright (C) 1996,1997,1998,1999,2000,2002 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 <sys/types.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+#include <nptl/pthreadP.h>
+#include <tls.h>
+
+extern int __syscall__llseek (int fd, off_t offset_hi, off_t offset_lo,
+			      loff_t *__unbounded result, int whence);
+
+/* Seek to OFFSET on FD, starting from WHENCE.  */
+extern loff_t __llseek (int fd, loff_t offset, int whence);
+
+loff_t
+__llseek (int fd, loff_t offset, int whence)
+{
+  loff_t result;
+
+#ifndef NOT_IN_libc
+  if (__builtin_expect (THREAD_GETMEM (THREAD_SELF,
+				       header.data.multiple_threads) == 0, 1))
+    return (loff_t) (INLINE_SYSCALL (_llseek, 5, fd, (off_t) (offset >> 32),
+				     (off_t) (offset & 0xffffffff),
+				     __ptrvalue (&result), whence) ?: result);
+
+  int oldtype = LIBC_CANCEL_ASYNC ();
+#endif
+
+  int retval = INLINE_SYSCALL (_llseek, 5, fd, (off_t) (offset >> 32),
+			       (off_t) (offset & 0xffffffff),
+			       __ptrvalue (&result), whence);
+
+#ifndef NOT_IN_libc
+  LIBC_CANCEL_RESET (oldtype);
+#endif
+
+  return (loff_t) (retval ?: result);
+}
+weak_alias (__llseek, llseek)
+strong_alias (__llseek, __libc_lseek64)
+strong_alias (__llseek, __lseek64)
+weak_alias (__llseek, lseek64)
+
+/* llseek doesn't have a prototype.  Since the second parameter is a
+   64bit type, this results in wrong behaviour if no prototype is
+   provided.  */
+link_warning (llseek, "\
+the `llseek' function may be dangerous; use `lseek64' instead.")