1 /* $NetBSD: isns_fileio.c,v 1.1.1.1 2011/01/16 01:22:50 agc Exp $ */ 2 3 /*- 4 * Copyright (c) 2004,2009 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Wasabi Systems, Inc. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __RCSID("$NetBSD: isns_fileio.c,v 1.1.1.1 2011/01/16 01:22:50 agc Exp $"); 34 35 #include "isns.h" 36 #include "isns_config.h" 37 38 /* 39 * isns_file_writev() 40 */ 41 ssize_t 42 isns_file_writev(int fd, const struct iovec *iov, int iovcnt) 43 { 44 ssize_t rval; 45 #if HAVE_WEPE 46 int error; 47 48 error = wepe_sys_writev(fd, iov, iovcnt, &rval); 49 if (error) 50 rval = -1; 51 #else 52 rval = writev(fd, iov, iovcnt); 53 #endif 54 55 return rval; 56 } 57 58 /* 59 * isns_file_readv() 60 */ 61 ssize_t 62 isns_file_readv(int fd, const struct iovec *iov, int iovcnt) 63 { 64 ssize_t rval; 65 #if HAVE_WEPE 66 int error; 67 68 error = wepe_sys_readv(fd, iov, iovcnt, &rval); 69 if (error) 70 rval = -1; 71 #else 72 rval = readv(fd, iov, iovcnt); 73 #endif 74 75 return rval; 76 } 77