xref: /xnu-11215.61.5/libsyscall/wrappers/legacy/socketpair.c (revision 4f1223e81cd707a65cc109d0b8ad6653699da3c4)
1*4f1223e8SApple OSS Distributions /*
2*4f1223e8SApple OSS Distributions  * Copyright (c) 2006-2010 Apple Inc. All rights reserved.
3*4f1223e8SApple OSS Distributions  *
4*4f1223e8SApple OSS Distributions  * @APPLE_LICENSE_HEADER_START@
5*4f1223e8SApple OSS Distributions  *
6*4f1223e8SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*4f1223e8SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*4f1223e8SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*4f1223e8SApple OSS Distributions  * compliance with the License. Please obtain a copy of the License at
10*4f1223e8SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this
11*4f1223e8SApple OSS Distributions  * file.
12*4f1223e8SApple OSS Distributions  *
13*4f1223e8SApple OSS Distributions  * The Original Code and all software distributed under the License are
14*4f1223e8SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*4f1223e8SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*4f1223e8SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*4f1223e8SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*4f1223e8SApple OSS Distributions  * Please see the License for the specific language governing rights and
19*4f1223e8SApple OSS Distributions  * limitations under the License.
20*4f1223e8SApple OSS Distributions  *
21*4f1223e8SApple OSS Distributions  * @APPLE_LICENSE_HEADER_END@
22*4f1223e8SApple OSS Distributions  */
23*4f1223e8SApple OSS Distributions 
24*4f1223e8SApple OSS Distributions #ifndef NO_SYSCALL_LEGACY
25*4f1223e8SApple OSS Distributions 
26*4f1223e8SApple OSS Distributions #define _NONSTD_SOURCE
27*4f1223e8SApple OSS Distributions #include <sys/cdefs.h>
28*4f1223e8SApple OSS Distributions 
29*4f1223e8SApple OSS Distributions /*
30*4f1223e8SApple OSS Distributions  * We need conformance on so that EOPNOTSUPP=102.  But the routine symbol
31*4f1223e8SApple OSS Distributions  * will still be the legacy (undecorated) one.
32*4f1223e8SApple OSS Distributions  */
33*4f1223e8SApple OSS Distributions #undef __DARWIN_UNIX03
34*4f1223e8SApple OSS Distributions #define __DARWIN_UNIX03 1
35*4f1223e8SApple OSS Distributions 
36*4f1223e8SApple OSS Distributions #include <sys/types.h>
37*4f1223e8SApple OSS Distributions #include <sys/socket.h>
38*4f1223e8SApple OSS Distributions 
39*4f1223e8SApple OSS Distributions #include "_errno.h"
40*4f1223e8SApple OSS Distributions 
41*4f1223e8SApple OSS Distributions extern int __socketpair(int, int, int, int[2]);
42*4f1223e8SApple OSS Distributions 
43*4f1223e8SApple OSS Distributions /*
44*4f1223e8SApple OSS Distributions  * socketpair stub, legacy version
45*4f1223e8SApple OSS Distributions  */
46*4f1223e8SApple OSS Distributions int
socketpair(int domain,int type,int protocol,int socket_vector[2])47*4f1223e8SApple OSS Distributions socketpair(int domain, int type, int protocol, int socket_vector[2])
48*4f1223e8SApple OSS Distributions {
49*4f1223e8SApple OSS Distributions 	int ret = __socketpair(domain, type, protocol, socket_vector);
50*4f1223e8SApple OSS Distributions 
51*4f1223e8SApple OSS Distributions 	/* use ENOTSUP for legacy behavior */
52*4f1223e8SApple OSS Distributions 	if (ret < 0 && errno == EOPNOTSUPP) {
53*4f1223e8SApple OSS Distributions 		errno = ENOTSUP;
54*4f1223e8SApple OSS Distributions 	}
55*4f1223e8SApple OSS Distributions 	return ret;
56*4f1223e8SApple OSS Distributions }
57*4f1223e8SApple OSS Distributions 
58*4f1223e8SApple OSS Distributions #endif
59