4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
22 * Copyright (c) 1990, 2010, Oracle and/or its affiliates. All rights reserved.
25 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
26 /* All Rights Reserved */
29 * University Copyright- Copyright (c) 1982, 1986, 1988
30 * The Regents of the University of California
33 * University Acknowledgment- Portions of this document are derived from
34 * software developed by the University of California, Berkeley, and its
38 #include <sys/types.h>
39 #include <sys/socket.h>
40 #include <sys/stropts.h>
41 #include <sys/stream.h>
42 #include <sys/socketvar.h>
47 extern int _so_socket();
48 extern int _s_netconfig_path();
50 #pragma weak __xnet_socket = socket
53 socket(int family
, int type
, int protocol
)
58 * Try creating without knowing the device assuming that
59 * the transport provider is registered in /etc/sock2path.d.
60 * If none found fall back to using /etc/netconfig to look
61 * up the name of the transport device name. This provides
62 * backwards compatibility for transport providers that have not
63 * yet been converted to using /etc/sock2path.d.
64 * XXX When all transport providers use /etc/sock2path.d. this
65 * part of the code can be removed.
67 fd
= _so_socket(family
, type
, protocol
, NULL
);
70 int saved_errno
= errno
;
73 switch (saved_errno
) {
84 if (_s_netconfig_path(family
, type
, protocol
,
85 &devpath
, &prototype
) == -1) {
89 fd
= _so_socket(family
, type
, protocol
, devpath
);
96 if (setsockopt(fd
, SOL_SOCKET
, SO_PROTOTYPE
,
97 (caddr_t
)&prototype
, (int)sizeof (prototype
)) < 0) {
100 * setsockopt often fails with ENOPROTOOPT
101 * but socket() should fail with
104 errno
= EPROTONOSUPPORT
;