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-rw-r--r--sysdeps/pthread/aio_fsync.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/sysdeps/pthread/aio_fsync.c b/sysdeps/pthread/aio_fsync.c
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index 0000000000..298b4ec87d
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+++ b/sysdeps/pthread/aio_fsync.c
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+/* Synchronize I/O in given file descriptor.
+   Copyright (C) 1997, 1999 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  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 "aio_misc.h"
+
+
+int
+aio_fsync (int op, struct aiocb *aiocbp)
+{
+  if (op != O_DSYNC && op != O_SYNC)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  return (__aio_enqueue_request ((aiocb_union *) aiocbp,
+				 op == O_SYNC ? LIO_SYNC : LIO_DSYNC) == NULL
+	  ? -1 : 0);
+}
+
+weak_alias (aio_fsync, aio_fsync64)