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      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