freebsd-dev/contrib/isc-dhcp/includes/osdep.h

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/* osdep.h
Operating system dependencies... */
/*
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* Copyright (c) 1996-1999 Internet Software Consortium.
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* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of The Internet Software Consortium nor the names
* of its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
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* CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
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*
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* This software has been written for the Internet Software Consortium
* by Ted Lemon in cooperation with Vixie Enterprises and Nominum, Inc.
* To learn more about the Internet Software Consortium, see
* ``http://www.isc.org/''. To learn more about Vixie Enterprises,
* see ``http://www.vix.com''. To learn more about Nominum, Inc., see
* ``http://www.nominum.com''.
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*/
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#if !defined (__ISC_DHCP_OSDEP_H__)
#define __ISC_DHCP_OSDEP_H__
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#include "site.h"
/* Porting::
If you add a new network API, you must add a check for it below: */
#if !defined (USE_SOCKETS) && \
!defined (USE_SOCKET_SEND) && \
!defined (USE_SOCKET_RECEIVE) && \
!defined (USE_RAW_SOCKETS) && \
!defined (USE_RAW_SEND) && \
!defined (USE_SOCKET_RECEIVE) && \
!defined (USE_BPF) && \
!defined (USE_BPF_SEND) && \
!defined (USE_BPF_RECEIVE) && \
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!defined (USE_LPF) && \
!defined (USE_LPF_SEND) && \
!defined (USE_LPF_RECEIVE) && \
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!defined (USE_NIT) && \
!defined (USE_NIT_SEND) && \
!defined (USE_NIT_RECEIVE) && \
!defined (USR_DLPI_SEND) && \
!defined (USE_DLPI_RECEIVE)
# define USE_DEFAULT_NETWORK
#endif
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#if !defined (TIME_MAX)
# define TIME_MAX 2147483647
#endif
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/* Porting::
If you add a new system configuration file, include it here: */
#if defined (sun)
# if defined (__svr4__) || defined (__SVR4)
# include "cf/sunos5-5.h"
# else
# include "cf/sunos4.h"
# endif
#endif
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#ifdef aix
# include "cf/aix.h"
#endif
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#ifdef bsdi
# include "cf/bsdos.h"
#endif
#ifdef __NetBSD__
# include "cf/netbsd.h"
#endif
#ifdef __FreeBSD__
# include "cf/freebsd.h"
#endif
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#ifdef OpenBSD
# include "cf/openbsd.h"
#endif
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#if defined (__osf__) && defined (__alpha)
# include "cf/alphaosf.h"
#endif
#ifdef ultrix
# include "cf/ultrix.h"
#endif
#ifdef linux
# include "cf/linux.h"
#endif
#ifdef SCO
# include "cf/sco.h"
#endif
#if defined (hpux) || defined (__hpux)
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# include "cf/hpux.h"
#endif
#ifdef __QNX__
# include "cf/qnx.h"
#endif
#ifdef __CYGWIN32__
# include "cf/cygwin32.h"
#endif
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#ifdef __APPLE__
# include "cf/rhapsody.h"
#else
# if defined (NeXT)
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# include "cf/nextstep.h"
# endif
#endif
/* Porting::
If you add a new network API, and have it set up so that it can be
used for sending or receiving, but doesn't have to be used for both,
then set up an ifdef like the ones below: */
#ifdef USE_SOCKETS
# define USE_SOCKET_SEND
# define USE_SOCKET_RECEIVE
#endif
#ifdef USE_RAW_SOCKETS
# define USE_RAW_SEND
# define USE_SOCKET_RECEIVE
#endif
#ifdef USE_BPF
# define USE_BPF_SEND
# define USE_BPF_RECEIVE
#endif
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#ifdef USE_LPF
# define USE_LPF_SEND
# define USE_LPF_RECEIVE
#endif
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#ifdef USE_NIT
# define USE_NIT_SEND
# define USE_NIT_RECEIVE
#endif
#ifdef USE_DLPI
# define USE_DLPI_SEND
# define USE_DLPI_RECEIVE
#endif
#ifdef USE_UPF
# define USE_UPF_SEND
# define USE_UPF_RECEIVE
#endif
/* Porting::
If you add support for sending packets directly out an interface,
and your support does not do ARP or routing, you must use a fallback
mechanism to deal with packets that need to be sent to routers.
Currently, all low-level packet interfaces use BSD sockets as a
fallback. */
#if defined (USE_BPF_SEND) || defined (USE_NIT_SEND) || \
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defined (USE_DLPI_SEND) || defined (USE_UPF_SEND) || \
defined (USE_LPF_SEND) || \
(defined (USE_SOCKET_SEND) && defined (HAVE_SO_BINDTODEVICE))
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# define USE_SOCKET_FALLBACK
# define USE_FALLBACK
#endif
/* Porting::
If you add support for sending packets directly out an interface
and need to be able to assemble packets, add the USE_XXX_SEND
definition for your interface to the list tested below. */
#if defined (USE_RAW_SEND) || defined (USE_BPF_SEND) || \
defined (USE_NIT_SEND) || defined (USE_UPF_SEND) || \
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defined (USE_DLPI_SEND) || defined (USE_LPF_SEND)
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# define PACKET_ASSEMBLY
#endif
/* Porting::
If you add support for receiving packets directly from an interface
and need to be able to decode raw packets, add the USE_XXX_RECEIVE
definition for your interface to the list tested below. */
#if defined (USE_RAW_RECEIVE) || defined (USE_BPF_SEND) || \
defined (USE_NIT_RECEIVE) || defined (USE_UPF_RECEIVE) || \
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defined (USE_DLPI_RECEIVE) || defined (USE_LPF_RECEIVE)
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# define PACKET_DECODING
#endif
/* If we don't have a DLPI packet filter, we have to filter in userland.
Probably not worth doing, actually. */
#if defined (USE_DLPI_RECEIVE) && !defined (USE_DLPI_PFMOD)
# define USERLAND_FILTER
#endif
/* jmp_buf is assumed to be a struct unless otherwise defined in the
system header. */
#ifndef jbp_decl
# define jbp_decl(x) jmp_buf *x
#endif
#ifndef jref
# define jref(x) (&(x))
#endif
#ifndef jdref
# define jdref(x) (*(x))
#endif
#ifndef jrefproto
# define jrefproto jmp_buf *
#endif
#ifndef BPF_FORMAT
# define BPF_FORMAT "/dev/bpf%d"
#endif
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#if defined (F_SETFD) && !defined (HAVE_SETFD)
# define HAVE_SETFD
#endif
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#if defined (IFF_POINTOPOINT) && !defined (HAVE_IFF_POINTOPOINT)
# define HAVE_IFF_POINTOPOINT
#endif
#if defined (AF_LINK) && !defined (HAVE_AF_LINK)
# define HAVE_AF_LINK
#endif
#if defined (ARPHRD_TUNNEL) && !defined (HAVE_ARPHRD_TUNNEL)
# define HAVE_ARPHRD_TUNNEL
#endif
#if defined (ARPHRD_LOOPBACK) && !defined (HAVE_ARPHRD_LOOPBACK)
# define HAVE_ARPHRD_LOOPBACK
#endif
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#if defined (ARPHRD_ROSE) && !defined (HAVE_ARPHRD_ROSE)
# define HAVE_ARPHRD_ROSE
#endif
#if defined (ARPHRD_IEEE802) && !defined (HAVE_ARPHRD_IEEE802)
# define HAVE_ARPHRD_IEEE802
#endif
#if defined (ARPHRD_FDDI) && !defined (HAVE_ARPHRD_FDDI)
# define HAVE_ARPHRD_FDDI
#endif
#if defined (ARPHRD_AX25) && !defined (HAVE_ARPHRD_AX25)
# define HAVE_ARPHRD_AX25
#endif
#if defined (ARPHRD_NETROM) && !defined (HAVE_ARPHRD_NETROM)
# define HAVE_ARPHRD_NETROM
#endif
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#if defined (ARPHRD_METRICOM) && !defined (HAVE_ARPHRD_METRICOM)
# define HAVE_ARPHRD_METRICOM
#endif
#if defined (SO_BINDTODEVICE) && !defined (HAVE_SO_BINDTODEVICE)
# define HAVE_SO_BINDTODEVICE
#endif
#if defined (AF_LINK) && !defined (HAVE_AF_LINK)
# define HAVE_AF_LINK
#endif
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/* Linux needs to define SHUT_* in /usr/include/sys/socket.h someday... */
#if !defined (SHUT_RD)
# define SHUT_RD 0
#endif
#if !defined (SOCKLEN_T)
#define SOCKLEN_T socklen_t
#endif
#endif /* __ISC_DHCP_OSDEP_H__ */