4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* $NetBSD: socket.h,v 1.82 2006/06/27 03:49:08 mrg Exp $ */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * All rights reserved.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Redistribution and use in source and binary forms, with or without
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * modification, are permitted provided that the following conditions
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 1. Redistributions of source code must retain the above copyright
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * notice, this list of conditions and the following disclaimer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 2. Redistributions in binary form must reproduce the above copyright
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * notice, this list of conditions and the following disclaimer in the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * documentation and/or other materials provided with the distribution.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 3. Neither the name of the project nor the names of its contributors
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * may be used to endorse or promote products derived from this software
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * without specific prior written permission.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * SUCH DAMAGE.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * The Regents of the University of California. All rights reserved.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Redistribution and use in source and binary forms, with or without
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * modification, are permitted provided that the following conditions
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 1. Redistributions of source code must retain the above copyright
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * notice, this list of conditions and the following disclaimer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 2. Redistributions in binary form must reproduce the above copyright
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * notice, this list of conditions and the following disclaimer in the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * documentation and/or other materials provided with the distribution.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 3. Neither the name of the University nor the names of its contributors
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * may be used to endorse or promote products derived from this software
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * without specific prior written permission.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * SUCH DAMAGE.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * @(#)socket.h 8.6 (Berkeley) 5/3/95
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Definitions related to sockets: types, address families, options.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Data types.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Socket types.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define SOCK_SEQPACKET 5 /* sequenced packet stream */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Option flags per-socket.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define SO_DEBUG 0x0001 /* turn on debugging info recording */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define SO_ACCEPTCONN 0x0002 /* socket has had listen() */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define SO_REUSEADDR 0x0004 /* allow local address reuse */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define SO_KEEPALIVE 0x0008 /* keep connections alive */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define SO_DONTROUTE 0x0010 /* just use interface addresses */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define SO_LINGER 0x0080 /* linger on close if data present */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define SO_OOBINLINE 0x0100 /* leave received OOB data in line */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define SO_REUSEPORT 0x0200 /* allow local address & port reuse */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define SO_TIMESTAMP 0x0400 /* timestamp received dgram traffic */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Additional options, not kept in so_options.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define SO_SNDLOWAT 0x1003 /* send low-water mark */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define SO_RCVLOWAT 0x1004 /* receive low-water mark */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define SO_ERROR 0x1007 /* get error status and clear */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define SO_OVERFLOWED 0x1009 /* datagrams: return packets dropped */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Structure used for manipulating linger option.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Level number for (get/set)sockopt() to apply to socket itself.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define SOL_SOCKET 0xffff /* options for socket level */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Address families.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define AF_LOCAL 1 /* local to host (pipes, portals) */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define AF_UNIX AF_LOCAL /* backward compatibility */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define AF_INET 2 /* internetwork: UDP, TCP, etc. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define AF_ECMA 8 /* european computer manufacturers */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define AF_DLI 13 /* DEC Direct data link interface */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define pseudo_AF_XTP 19 /* eXpress Transfer Protocol (no AF) */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define AF_COIP 20 /* connection-oriented IP, aka ST II */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define pseudo_AF_RTIP 22 /* Help Identify RTIP packets */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define pseudo_AF_PIP 25 /* Help Identify PIP packets */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define AF_ISDN 26 /* Integrated Services Digital Network*/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define AF_E164 AF_ISDN /* CCITT E.164 recommendation */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define AF_ARP 28 /* (rev.) addr. res. prot. (RFC 826) */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define pseudo_AF_KEY 29 /* Internal key management protocol */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define pseudo_AF_HDRCMPLT 30 /* Used by BPF to not rewrite hdrs
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync in interface output routine */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Structure used by kernel to store most
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * addresses.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync char sa_data[14]; /* actually longer; address value */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Structure used by kernel to pass protocol
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * information in raw sockets.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#endif /* _KERNEL */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * RFC 2553: protocol-independent placeholder for socket addresses
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#if (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __int64_t __ss_align;/* force desired structure storage alignment */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#endif /* _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#endif /* 1 */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Protocol families, same as address families for now.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define PF_UNIX PF_LOCAL /* backward compatibility */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define PF_XTP pseudo_AF_XTP /* really just proto family, no AF */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define PF_RTIP pseudo_AF_RTIP /* same format as AF_INET */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define PF_KEY pseudo_AF_KEY /* like PF_ROUTE, only for key mgmt */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Socket credentials.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int sc_ngroups; /* number of supplemental groups */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Compute size of a sockcred structure with groups.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (sizeof(struct sockcred) + (sizeof(gid_t) * ((ngrps) - 1)))
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#endif /* _NETBSD_SOURCE */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Definitions for network related sysctl, CTL_NET.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Second level is protocol family.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Third level is protocol number.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Further levels are defined by the individual families below.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync { 0, 0 }, \
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __uint32_t ki_pflags; /* INT: generic protocol flags */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __uint64_t ki_rcvq; /* U_LONG: receive queue len */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync struct sockaddr _kis_src; /* STRUCT: local address */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync char _kis_pad[256 + 8]; /* pad to max addr length */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync struct sockaddr _kid_dst; /* STRUCT: remote address */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync char _kid_pad[256 + 8]; /* pad to max addr length */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __uint64_t ki_inode; /* INO_T: fake inode number */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __uint64_t ki_vnode; /* PTR: if associated with file */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __uint64_t ki_conn; /* PTR: control block of peer */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __uint64_t ki_nextref; /* PTR: link in refs list */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#endif /* _NETBSD_SOURCE */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * PF_ROUTE - Routing table
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Three additional levels are defined:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Fourth: address family, 0 is wildcard
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Fifth: type of info, defined below
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Sixth: flag(s) to mask with for NET_RT_FLAGS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define NET_RT_FLAGS 2 /* by flags, e.g. RESOLVING */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define NET_RT_OIFLIST 3 /* old NET_RT_IFLIST (pre 1.5) */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync { 0, 0 }, \
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync { 0, 0 }, \
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#endif /* _NETBSD_SOURCE */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Maximum queue length specifiable by listen(2).
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Message header for recvmsg and sendmsg calls.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Used value-result for recvmsg, value only for sendmsg.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync socklen_t msg_controllen; /* ancillary data buffer len */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define MSG_OOB 0x0001 /* process out-of-band data */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define MSG_PEEK 0x0002 /* peek at incoming message */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define MSG_DONTROUTE 0x0004 /* send without using routing tables */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define MSG_TRUNC 0x0010 /* data discarded before delivery */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define MSG_CTRUNC 0x0020 /* control data lost before delivery */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define MSG_WAITALL 0x0040 /* wait for full request or error */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define MSG_DONTWAIT 0x0080 /* this message should be nonblocking */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define MSG_BCAST 0x0100 /* this message was rcvd using link-level brdcst */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define MSG_MCAST 0x0200 /* this message was rcvd using link-level mcast */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define MSG_NOSIGNAL 0x0400 /* do not generate SIGPIPE on EOF */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Header for ancillary data objects in msg_control buffer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Used for additional information with/about a datagram
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * not expressible by flags. The format is a sequence
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * of message elements headed by cmsghdr structures.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync socklen_t cmsg_len; /* data byte count, including hdr */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* followed by u_char cmsg_data[]; */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* given pointer to struct cmsghdr, return pointer to data */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ((u_char *)(void *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Alignment requirement for CMSG struct manipulation.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * This basically behaves the same as ALIGN() ARCH/include/param.h.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * We declare it separately for two reasons:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * (1) avoid dependency between machine/param.h, and (2) to sync with kernel's
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * idea of ALIGNBYTES at runtime.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * without (2), we can't guarantee binary compatibility in case of future
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * changes in ALIGNBYTES.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define __CMSG_ALIGN(n) (((n) + __cmsg_alignbytes()) & ~__cmsg_alignbytes())
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* given pointer to struct cmsghdr, return pointer to next cmsghdr */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (((__caddr_t)(cmsg) + __CMSG_ALIGN((cmsg)->cmsg_len) + \
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (((__caddr_t)(mhdr)->msg_control) + (mhdr)->msg_controllen)) ? \
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (struct cmsghdr *)0 : \
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * RFC 2292 requires to check msg_controllen, in case that the kernel returns
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * an empty list for some reasons.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (struct cmsghdr *)0)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define CMSG_SPACE(l) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(l))
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define CMSG_LEN(l) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + (l))
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* "Socket"-level control message types: */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define SCM_RIGHTS 0x01 /* access rights (array of int) */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define SCM_TIMESTAMP 0x02 /* timestamp (struct timeval) */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define SCM_CREDS 0x04 /* credentials (struct sockcred) */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Types of socket shutdown(2).
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define SHUT_RDWR 2 /* Disallow further sends/receives. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncint accept(int, struct sockaddr * __restrict, socklen_t * __restrict);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncint connect(int, const struct sockaddr *, socklen_t);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncint getpeername(int, struct sockaddr * __restrict, socklen_t * __restrict);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncint getsockname(int, struct sockaddr * __restrict, socklen_t * __restrict);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncint getsockopt(int, int, int, void * __restrict, socklen_t * __restrict);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncint listen(int, int);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncssize_t recvfrom(int, void * __restrict, size_t, int,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync struct sockaddr * __restrict, socklen_t * __restrict);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncint setsockopt(int, int, int, const void *, socklen_t);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncint shutdown(int, int);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncint socket(int, int, int)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#if !defined(__LIBC12_SOURCE__) && !defined(_STANDALONE)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncint socketpair(int, int, int, int *);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#endif /* !_KERNEL */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#endif /* !_SYS_SOCKET_H_ */