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
isns_file_writev(int fd,const struct iovec * iov,int iovcnt)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
isns_file_readv(int fd,const struct iovec * iov,int iovcnt)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