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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /rt/aio_cancel.c
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'rt/aio_cancel.c')
-rw-r--r--rt/aio_cancel.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/rt/aio_cancel.c b/rt/aio_cancel.c
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+++ b/rt/aio_cancel.c
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+/* Cancel requests associated with 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_cancel and aio_cancel64 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_cancel64 has no prototype.  */
+#define aio_cancel64 XXX
+#include <aio.h>
+/* And undo the hack.  */
+#undef aio_cancel64
+
+#include <errno.h>
+
+int
+aio_cancel (int fildes, struct aiocb *aiocbp)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+
+weak_alias (aio_cancel, aio_cancel64)
+
+stub_warning (aio_cancel)
+stub_warning (aio_cancel64)
+#include <stub-tag.h>