kernel - Fix bogus compiler warning
[dragonfly.git] / usr.bin / doscmd / AsyncIO.h
blobc9b095809a7704081144fbc317e6a6b2913e0d50
1 /*
2 * Copyright (c) 1992, 1993, 1996
3 * Berkeley Software Design, Inc. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Berkeley Software
16 * Design, Inc.
18 * THIS SOFTWARE IS PROVIDED BY Berkeley Software Design, Inc. ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL Berkeley Software Design, Inc. BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
30 * BSDI AsyncIO.h,v 2.2 1996/04/08 19:32:12 bostic Exp
32 * $FreeBSD: src/usr.bin/doscmd/AsyncIO.h,v 1.1.6.1 2002/04/25 11:04:50 tg Exp $
33 * $DragonFly: src/usr.bin/doscmd/AsyncIO.h,v 1.2 2003/06/17 04:29:25 dillon Exp $
36 #if defined(__cplusplus)
37 extern "C" {
38 #endif
39 enum {
40 AS_RD = 1,
41 AS_WR = 2
42 };
44 void _RegisterIO(int, void (*)(int, int, void *, regcontext_t *),
45 void *, void (*)(void *));
46 #if defined(__cplusplus)
48 #endif
50 #define _Un_RegisterIO(x) _RegisterIO((x), (void (*))0, NULL, (void (*))0)