xref: /netbsd/sbin/route/prog_ops.h (revision 6550d01e)
1 /*      $NetBSD: prog_ops.h,v 1.2 2010/12/13 19:19:10 pooka Exp $	*/
2 
3 /*
4  * Copyright (c) 2010 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef _PROG_OPS_H_
30 #define _PROG_OPS_H_
31 
32 #include <sys/types.h>
33 
34 #ifndef CRUNCHOPS
35 struct prog_ops {
36 	int (*op_init)(void);
37 
38 	int (*op_socket)(int, int, int);
39 	int (*op_open)(const char *, int, ...);
40 	pid_t (*op_getpid)(void);
41 
42 	ssize_t (*op_read)(int, void *, size_t);
43 	ssize_t (*op_write)(int, const void *, size_t);
44 
45 	int (*op_sysctl)(const int *, u_int, void *, size_t *,
46 			 const void *, size_t);
47 
48 	int (*op_shutdown)(int, int);
49 };
50 extern const struct prog_ops prog_ops;
51 
52 #define prog_init prog_ops.op_init
53 #define prog_socket prog_ops.op_socket
54 #define prog_open prog_ops.op_open
55 #define prog_getpid prog_ops.op_getpid
56 #define prog_read prog_ops.op_read
57 #define prog_write prog_ops.op_write
58 #define prog_sysctl prog_ops.op_sysctl
59 #define prog_shutdown prog_ops.op_shutdown
60 #else
61 #define prog_init ((int (*)(void))NULL)
62 #define prog_socket socket
63 #define prog_open open
64 #define prog_getpid getpid
65 #define prog_read read
66 #define prog_write write
67 #define prog_sysctl sysctl
68 #define prog_shutdown shutdown
69 #endif
70 
71 #endif /* _PROG_OPS_H_ */
72