1 /*
2 * Copyright (c) 2006-2010 Apple Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24 #ifndef NO_SYSCALL_LEGACY
25
26 #define _NONSTD_SOURCE
27 #include <sys/cdefs.h>
28
29 /*
30 * We need conformance on so that EOPNOTSUPP=102. But the routine symbol
31 * will still be the legacy (undecorated) one.
32 */
33 #undef __DARWIN_UNIX03
34 #define __DARWIN_UNIX03 1
35
36 #include <sys/types.h>
37 #include <sys/socket.h>
38
39 #include "_errno.h"
40
41 extern int __socketpair(int, int, int, int[2]);
42
43 /*
44 * socketpair stub, legacy version
45 */
46 int
socketpair(int domain,int type,int protocol,int socket_vector[2])47 socketpair(int domain, int type, int protocol, int socket_vector[2])
48 {
49 int ret = __socketpair(domain, type, protocol, socket_vector);
50
51 /* use ENOTSUP for legacy behavior */
52 if (ret < 0 && errno == EOPNOTSUPP) {
53 errno = ENOTSUP;
54 }
55 return ret;
56 }
57
58 #endif
59