1 files changed, 50 insertions, 0 deletions
diff --git a/rtkaio/sysdeps/unix/sysv/linux/kaio_return.c b/rtkaio/sysdeps/unix/sysv/linux/kaio_return.c
new file mode 100644
index 0000000000..1d9f6cbabb
--- /dev/null
+++ b/rtkaio/sysdeps/unix/sysv/linux/kaio_return.c
@@ -0,0 +1,50 @@
+/* Return exit value of asynchronous I/O request.
+   Copyright (C) 1997, 2002, 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   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_return and aio_return64 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_return64 has no prototype.  */
+#define aio_return64 XXX
+#include <aio.h>
+/* And undo the hack.  */
+#undef aio_return64
+
+#include <kaio_misc.h>
+
+#ifndef USE_KAIO
+#include <aio_return.c>
+#else
+
+#include <errno.h>
+
+ssize_t
+aio_return (aiocbp)
+     struct aiocb *aiocbp;
+{
+  if (aiocbp->__error_code == EINPROGRESS)
+    __aio_read_one_event ();
+  return aiocbp->__return_value;
+}
+
+weak_alias (aio_return, aio_return64)
+#endif