summaryrefslogtreecommitdiff
path: root/sysdeps/generic/aio_cancel.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/generic/aio_cancel.c')
-rw-r--r--sysdeps/generic/aio_cancel.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/sysdeps/generic/aio_cancel.c b/sysdeps/generic/aio_cancel.c
new file mode 100644
index 0000000000..c24a2f7529
--- /dev/null
+++ b/sysdeps/generic/aio_cancel.c
@@ -0,0 +1,44 @@
+/* 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>