(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

1 files changed, 51 insertions, 0 deletions

diff --git a/sysdeps/generic/aio_fsync.c b/sysdeps/generic/aio_fsync.c
new file mode 100644
index 0000000000..bc23d75f69
--- /dev/null
+++ b/sysdeps/generic/aio_fsync.c
@@ -0,0 +1,51 @@
+/* Synchronize I/O in given file descriptor.  Stub version.
+   Copyright (C) 2001 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.  */
+
+
+/* We use an UGLY hack to prevent gcc from finding us cheating.  The
+   implementation of aio_fsync and aio_fsync64 are identical and so
+   we want to avoid code duplication by using aliases.  But gcc sees
+   the different parameter lists and prints a warning.  We define here
+   a function so that aio_fsync64 has no prototype.  */
+#define aio_fsync64 XXX
+#include <aio.h>
+/* And undo the hack.  */
+#undef aio_fsync64
+
+#include <errno.h>
+#include <fcntl.h>
+
+int
+aio_fsync (int op, struct aiocb *aiocbp)
+{
+  if (op != O_SYNC && op != O_DSYNC)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+
+weak_alias (aio_fsync, aio_fsync64)
+
+stub_warning (aio_fsync)
+stub_warning (aio_fsync64)
+#include <stub-tag.h>