74f5d68011
Change types used in the linux' struct msghdr and struct cmsghdr definitions to the properly-sized architecture-specific types. Move ancillary data handler from linux_sendit() to linux_sendmsg(). Submitted by: dchagin
84 lines
3.1 KiB
C
84 lines
3.1 KiB
C
/*-
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* Copyright (c) 2000 Assar Westerlund
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer
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* in this position and unchanged.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _LINUX_SOCKET_H_
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#define _LINUX_SOCKET_H_
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/* msg flags in recvfrom/recvmsg */
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#define LINUX_MSG_OOB 0x01
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#define LINUX_MSG_PEEK 0x02
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#define LINUX_MSG_DONTROUTE 0x04
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#define LINUX_MSG_CTRUNC 0x08
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#define LINUX_MSG_PROXY 0x10
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#define LINUX_MSG_TRUNC 0x20
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#define LINUX_MSG_DONTWAIT 0x40
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#define LINUX_MSG_EOR 0x80
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#define LINUX_MSG_WAITALL 0x100
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#define LINUX_MSG_FIN 0x200
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#define LINUX_MSG_SYN 0x400
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#define LINUX_MSG_CONFIRM 0x800
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#define LINUX_MSG_RST 0x1000
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#define LINUX_MSG_ERRQUEUE 0x2000
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#define LINUX_MSG_NOSIGNAL 0x4000
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/* Socket-level control message types */
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#define LINUX_SCM_RIGHTS 0x01
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/* Ancilliary data object information macros */
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#define LINUX_CMSG_ALIGN(len) roundup2(len, sizeof(l_ulong))
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#define LINUX_CMSG_DATA(cmsg) ((void *)((char *)(cmsg) + \
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LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr))))
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#define LINUX_CMSG_SPACE(len) (LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)) + \
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LINUX_CMSG_ALIGN(len))
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#define LINUX_CMSG_LEN(len) (LINUX_CMSG_ALIGN(sizeof(struct l_cmsghdr)) + \
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(len))
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#define LINUX_CMSG_FIRSTHDR(msg) \
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((msg)->msg_controllen >= \
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sizeof(struct l_cmsghdr) ? \
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(struct l_cmsghdr *)((msg)->msg_control) : \
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(struct l_cmsghdr *)(NULL))
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#define LINUX_CMSG_NXTHDR(msg, cmsg) \
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((((char *)(cmsg) + \
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LINUX_CMSG_ALIGN((cmsg)->cmsg_len) + \
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sizeof(*(cmsg))) > \
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(((char *)(msg)->msg_control) + \
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(msg)->msg_controllen)) ? \
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(struct l_cmsghdr *) NULL : \
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(struct l_cmsghdr *)((char *)(cmsg) + \
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LINUX_CMSG_ALIGN((cmsg)->cmsg_len)))
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#define CMSG_HDRSZ CMSG_LEN(0)
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#define L_CMSG_HDRSZ LINUX_CMSG_LEN(0)
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#endif /* _LINUX_SOCKET_H_ */
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