xref: /xnu-8792.81.2/libsyscall/wrappers/legacy/socketpair.c (revision 19c3b8c28c31cb8130e034cfb5df6bf9ba342d90)
1*19c3b8c2SApple OSS Distributions /*
2*19c3b8c2SApple OSS Distributions  * Copyright (c) 2006-2010 Apple Inc. All rights reserved.
3*19c3b8c2SApple OSS Distributions  *
4*19c3b8c2SApple OSS Distributions  * @APPLE_LICENSE_HEADER_START@
5*19c3b8c2SApple OSS Distributions  *
6*19c3b8c2SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*19c3b8c2SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*19c3b8c2SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*19c3b8c2SApple OSS Distributions  * compliance with the License. Please obtain a copy of the License at
10*19c3b8c2SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this
11*19c3b8c2SApple OSS Distributions  * file.
12*19c3b8c2SApple OSS Distributions  *
13*19c3b8c2SApple OSS Distributions  * The Original Code and all software distributed under the License are
14*19c3b8c2SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*19c3b8c2SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*19c3b8c2SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*19c3b8c2SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*19c3b8c2SApple OSS Distributions  * Please see the License for the specific language governing rights and
19*19c3b8c2SApple OSS Distributions  * limitations under the License.
20*19c3b8c2SApple OSS Distributions  *
21*19c3b8c2SApple OSS Distributions  * @APPLE_LICENSE_HEADER_END@
22*19c3b8c2SApple OSS Distributions  */
23*19c3b8c2SApple OSS Distributions 
24*19c3b8c2SApple OSS Distributions #ifndef NO_SYSCALL_LEGACY
25*19c3b8c2SApple OSS Distributions 
26*19c3b8c2SApple OSS Distributions #define _NONSTD_SOURCE
27*19c3b8c2SApple OSS Distributions #include <sys/cdefs.h>
28*19c3b8c2SApple OSS Distributions 
29*19c3b8c2SApple OSS Distributions /*
30*19c3b8c2SApple OSS Distributions  * We need conformance on so that EOPNOTSUPP=102.  But the routine symbol
31*19c3b8c2SApple OSS Distributions  * will still be the legacy (undecorated) one.
32*19c3b8c2SApple OSS Distributions  */
33*19c3b8c2SApple OSS Distributions #undef __DARWIN_UNIX03
34*19c3b8c2SApple OSS Distributions #define __DARWIN_UNIX03 1
35*19c3b8c2SApple OSS Distributions 
36*19c3b8c2SApple OSS Distributions #include <sys/types.h>
37*19c3b8c2SApple OSS Distributions #include <sys/socket.h>
38*19c3b8c2SApple OSS Distributions 
39*19c3b8c2SApple OSS Distributions #include "_errno.h"
40*19c3b8c2SApple OSS Distributions 
41*19c3b8c2SApple OSS Distributions extern int __socketpair(int, int, int, int[2]);
42*19c3b8c2SApple OSS Distributions 
43*19c3b8c2SApple OSS Distributions /*
44*19c3b8c2SApple OSS Distributions  * socketpair stub, legacy version
45*19c3b8c2SApple OSS Distributions  */
46*19c3b8c2SApple OSS Distributions int
socketpair(int domain,int type,int protocol,int socket_vector[2])47*19c3b8c2SApple OSS Distributions socketpair(int domain, int type, int protocol, int socket_vector[2])
48*19c3b8c2SApple OSS Distributions {
49*19c3b8c2SApple OSS Distributions 	int ret = __socketpair(domain, type, protocol, socket_vector);
50*19c3b8c2SApple OSS Distributions 
51*19c3b8c2SApple OSS Distributions 	/* use ENOTSUP for legacy behavior */
52*19c3b8c2SApple OSS Distributions 	if (ret < 0 && errno == EOPNOTSUPP) {
53*19c3b8c2SApple OSS Distributions 		errno = ENOTSUP;
54*19c3b8c2SApple OSS Distributions 	}
55*19c3b8c2SApple OSS Distributions 	return ret;
56*19c3b8c2SApple OSS Distributions }
57*19c3b8c2SApple OSS Distributions 
58*19c3b8c2SApple OSS Distributions #endif
59