1
2 /*
3 * CDDL HEADER START
4 *
5 * The contents of this file are subject to the terms of the
6 * Common Development and Distribution License (the "License").
7 * You may not use this file except in compliance with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /*
28 * sendfilev is the native interface : 32 bit app on 32 bit kernel
29 * and 64 bit app on 64 bit kernel. sendfilev64() is used by
30 * 32 bit apps on a 64 bit kernel or 32 bit kernel for large
31 * file offsets. Similar things apply to sendfile.
32 */
33
34 #pragma weak sendfilev = _sendfilev
35 #pragma weak sendfile = _sendfile
36
37 #include <sys/types.h>
38 #include <sys/syscall.h>
39 #include <sys/sendfile.h>
40 #include <errno.h>
41
42 ssize_t
_sendfilev(int sock,const struct sendfilevec * vec,int sfvcnt,size_t * xferred)43 _sendfilev(int sock, const struct sendfilevec *vec, int sfvcnt, size_t *xferred)
44 {
45 sysret_t rval;
46 int error;
47
48 error = __systemcall(&rval, SYS_sendfilev, SENDFILEV, sock, vec,
49 sfvcnt, xferred);
50 if (error != 0) {
51 if (error == EINTR && *xferred != 0) {
52 rval.sys_rval1 = *xferred;
53 } else {
54 (void) __set_errno(error);
55 }
56 }
57 return ((ssize_t)rval.sys_rval1);
58 }
59
60 ssize_t
_sendfile(int sock,int fd,off_t * off,size_t len)61 _sendfile(int sock, int fd, off_t *off, size_t len)
62 {
63 sysret_t rval;
64 int error;
65 struct sendfilevec sfv;
66 size_t xferred;
67
68 sfv.sfv_fd = fd;
69 sfv.sfv_flag = 0;
70 sfv.sfv_off = *off;
71 sfv.sfv_len = len;
72 error = __systemcall(&rval, SYS_sendfilev, SENDFILEV, sock, &sfv,
73 1, &xferred);
74 *off += xferred;
75 if (error != 0) {
76 if (error == EINTR && xferred != 0) {
77 rval.sys_rval1 = xferred;
78 } else {
79 (void) __set_errno(error);
80 }
81 }
82 return ((ssize_t)rval.sys_rval1);
83 }
84
85 #if (!defined(_LP64))
86
87 #pragma weak sendfilev64 = _sendfilev64
88 #pragma weak sendfile64 = _sendfile64
89
90 ssize_t
_sendfilev64(int sock,const struct sendfilevec64 * vec,int sfvcnt,size_t * xferred)91 _sendfilev64(int sock, const struct sendfilevec64 *vec, int sfvcnt,
92 size_t *xferred)
93 {
94 sysret_t rval;
95 int error;
96
97 error = __systemcall(&rval, SYS_sendfilev, SENDFILEV64, sock, vec,
98 sfvcnt, xferred);
99 if (error != 0) {
100 if (error == EINTR && *xferred != 0) {
101 rval.sys_rval1 = *xferred;
102 } else {
103 (void) __set_errno(error);
104 }
105 }
106 return ((ssize_t)rval.sys_rval1);
107 }
108
109 ssize_t
_sendfile64(int sock,int fd,off64_t * off,size_t len)110 _sendfile64(int sock, int fd, off64_t *off, size_t len)
111 {
112 sysret_t rval;
113 int error;
114 struct sendfilevec64 sfv;
115 size_t xferred;
116
117 sfv.sfv_fd = fd;
118 sfv.sfv_flag = 0;
119 sfv.sfv_off = *off;
120 sfv.sfv_len = len;
121 error = __systemcall(&rval, SYS_sendfilev, SENDFILEV64, sock, &sfv,
122 1, &xferred);
123 *off += xferred;
124 if (error != 0) {
125 if (error == EINTR && xferred != 0) {
126 rval.sys_rval1 = xferred;
127 } else {
128 (void) __set_errno(error);
129 }
130 }
131 return ((ssize_t)rval.sys_rval1);
132 }
133 #endif
134