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/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994
* The Regents of the University of California. 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.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND 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 REGENTS 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.
*
* @(#)socket.h 8.4 (Berkeley) 2/21/94
* $FreeBSD: head/sys/sys/socket.h 334719 2018-06-06 15:45:57Z sbruno $
*/
#if !defined(_SYS_SOCKET_H_) || !defined(_KERNEL)
#error "must be included via <sys/socket.h> in kernel space"
#endif
/*
* Flags for accept1(), kern_accept4() and solisten_dequeue, in addition
* to SOCK_CLOEXEC and SOCK_NONBLOCK.
*/
#define ACCEPT4_INHERIT 0x1
#define ACCEPT4_COMPAT 0x2
#define MSG_SOCALLBCK 0x00010000 /* for use by socket callbacks - soreceive (TCP) */
#define MSG_MORETOCOME 0x00100000 /* additional data pending */
#define CMSG_ALIGN(n) _ALIGN(n)
#define SF_READAHEAD(flags) ((flags) >> 16)
struct socket;
struct tcpcb *so_sototcpcb(struct socket *so);
struct inpcb *so_sotoinpcb(struct socket *so);
struct sockbuf *so_sockbuf_snd(struct socket *);
struct sockbuf *so_sockbuf_rcv(struct socket *);
int so_state_get(const struct socket *);
void so_state_set(struct socket *, int);
int so_options_get(const struct socket *);
void so_options_set(struct socket *, int);
int so_error_get(const struct socket *);
void so_error_set(struct socket *, int);
int so_linger_get(const struct socket *);
void so_linger_set(struct socket *, int);
struct protosw *so_protosw_get(const struct socket *);
void so_protosw_set(struct socket *, struct protosw *);
void so_sorwakeup_locked(struct socket *so);
void so_sowwakeup_locked(struct socket *so);
void so_sorwakeup(struct socket *so);
void so_sowwakeup(struct socket *so);
void so_lock(struct socket *so);
void so_unlock(struct socket *so);
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