/*- * Copyright (c) 1993 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * Bill Jolitz. * * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. 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. */ #ifndef lint static char sccsid[] = "@(#)snd.c 5.2 (Berkeley) 5/29/93"; #endif /* not lint */ #include "main.h" /* * Send a message back to a customer, * from data structures and return error status */ int sendrequest(sock, rqst, cp, opts, optlen, fd) int sock, rqst ; struct conversation *cp ; char *opts; int optlen, fd ; { int rv ; struct iovec iov[4]; struct msghdr msg ; /* send message to user application containing fd */ msg.msg_name = "" ; msg.msg_namelen = 0 ; /* size of address */ iov[0].iov_base = (caddr_t) &rqst ; iov[0].iov_len = sizeof (rqst) ; iov[1].iov_base = (caddr_t) &cp->co_constatus ; iov[1].iov_len = sizeof(int) ; msg.msg_iov = iov; msg.msg_iovlen = 2; if (opts) { iov[2].iov_base = (caddr_t) opts; iov[2].iov_len = optlen ; msg.msg_iovlen = 3; } if (fd >= 0) { msg.msg_accrights = (caddr_t) &fd ; msg.msg_accrightslen = sizeof(int) ; } else { msg.msg_accrightslen = 0 ; msg.msg_accrights = 0 ; } rv = sendmsg(sock, &msg, 0) ; if (rv < 0) { perror("snd:") ; } return (rv) ; }