1 /* $NetBSD: prog_ops.h,v 1.5 2020/04/03 16:20:52 martin 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 #include <sys/sysctl.h> 34 35 #ifndef CRUNCHOPS 36 /* 37 * This is shared between netstat and route (as they share some code) 38 */ 39 struct sysctlnode; 40 struct prog_ops { 41 int (*op_init)(void); 42 43 int (*op_socket)(int, int, int); 44 int (*op_setsockopt)(int, int, int, const void *, socklen_t); 45 46 47 int (*op_open)(const char *, int, ...); 48 pid_t (*op_getpid)(void); 49 50 ssize_t (*op_read)(int, void *, size_t); 51 ssize_t (*op_write)(int, const void *, size_t); 52 53 int (*op_shutdown)(int, int); 54 55 int (*op_sysctl)(const int *, u_int, void *, size_t *, 56 const void *, size_t); 57 58 int (*op_sysctlbyname)(const char *, void *, size_t *, 59 const void *, size_t); 60 61 int (*op_sysctlgetmibinfo)(const char *, int *, u_int *, 62 char *, size_t *, struct sysctlnode **, int); 63 64 int (*op_sysctlnametomib)(const char *, int *, size_t *); 65 }; 66 extern const struct prog_ops prog_ops; 67 68 #define prog_init prog_ops.op_init 69 70 #define prog_socket prog_ops.op_socket 71 #define prog_setsockopt prog_ops.op_setsockopt 72 73 #define prog_open prog_ops.op_open 74 #define prog_getpid prog_ops.op_getpid 75 76 #define prog_read prog_ops.op_read 77 #define prog_write prog_ops.op_write 78 79 #define prog_shutdown prog_ops.op_shutdown 80 81 #define prog_sysctl prog_ops.op_sysctl 82 83 #define prog_sysctlbyname prog_ops.op_sysctlbyname 84 #define prog_sysctlgetmibinfo prog_ops.op_sysctlgetmibinfo 85 #define prog_sysctlnametomib prog_ops.op_sysctlnametomib 86 87 #else 88 #define prog_init ((int (*)(void))NULL) 89 90 #define prog_socket socket 91 #define prog_setsockopt setsockopt 92 93 #define prog_open open 94 #define prog_getpid getpid 95 96 #define prog_read read 97 #define prog_write write 98 99 #define prog_shutdown shutdown 100 101 #define prog_sysctl sysctl 102 #define prog_sysctlbyname sysctlbyname 103 #define prog_sysctlgetmibinfo sysctlgetmibinfo 104 #define prog_sysctlnametomib sysctlnametomib 105 106 #endif 107 108 #endif /* _PROG_OPS_H_ */ 109