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/*-
* Copyright (c) 2000 Assar Westerlund
* 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
* in this position and unchanged.
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* $FreeBSD$
*/
#ifndef _LINUX_SOCKET_H_
#define _LINUX_SOCKET_H_
/* msg flags in recvfrom/recvmsg */
#define LINUX_MSG_OOB 0x01
#define LINUX_MSG_PEEK 0x02
#define LINUX_MSG_DONTROUTE 0x04
#define LINUX_MSG_CTRUNC 0x08
#define LINUX_MSG_PROXY 0x10
#define LINUX_MSG_TRUNC 0x20
#define LINUX_MSG_DONTWAIT 0x40
#define LINUX_MSG_EOR 0x80
#define LINUX_MSG_WAITALL 0x100
#define LINUX_MSG_FIN 0x200
#define LINUX_MSG_SYN 0x400
#define LINUX_MSG_CONFIRM 0x800
#define LINUX_MSG_RST 0x1000
#define LINUX_MSG_ERRQUEUE 0x2000
#define LINUX_MSG_NOSIGNAL 0x4000
/* Socket-level control message types */
#define LINUX_SCM_RIGHTS 0x01
/* Ancilliary data object information macros */
#define LINUX_CMSG_ALIGN(len) roundup2(len, sizeof(l_ulong))
#define LINUX_CMSG_DATA(cmsg) ((void *)((char *)(cmsg) + \
LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr))))
#define LINUX_CMSG_SPACE(len) (LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)) + \
LINUX_CMSG_ALIGN(len))
#define LINUX_CMSG_LEN(len) (LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)) + \
(len))
#define LINUX_CMSG_FIRSTHDR(msg) \
((msg)->msg_controllen >= \
sizeof(struct l_cmsghdr) ? \
(struct l_cmsghdr *)((msg)->msg_control) : \
(struct l_cmsghdr *)(NULL))
#define LINUX_CMSG_NXTHDR(msg, cmsg) \
((((char *)(cmsg) + \
LINUX_CMSG_ALIGN((cmsg)->cmsg_len) + \
sizeof(*(cmsg))) > \
(((char *)(msg)->msg_control) + \
(msg)->msg_controllen)) ? \
(struct l_cmsghdr *) NULL : \
(struct l_cmsghdr *)((char *)(cmsg) + \
LINUX_CMSG_ALIGN((cmsg)->cmsg_len)))
#define CMSG_HDRSZ CMSG_LEN(0)
#define L_CMSG_HDRSZ LINUX_CMSG_LEN(0)
#endif /* _LINUX_SOCKET_H_ */
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