xref: /xnu-8020.101.4/libsyscall/wrappers/legacy/socketpair.c (revision e7776783b89a353188416a9a346c6cdb4928faad)
1*e7776783SApple OSS Distributions /*
2*e7776783SApple OSS Distributions  * Copyright (c) 2006-2010 Apple Inc. All rights reserved.
3*e7776783SApple OSS Distributions  *
4*e7776783SApple OSS Distributions  * @APPLE_LICENSE_HEADER_START@
5*e7776783SApple OSS Distributions  *
6*e7776783SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*e7776783SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*e7776783SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*e7776783SApple OSS Distributions  * compliance with the License. Please obtain a copy of the License at
10*e7776783SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this
11*e7776783SApple OSS Distributions  * file.
12*e7776783SApple OSS Distributions  *
13*e7776783SApple OSS Distributions  * The Original Code and all software distributed under the License are
14*e7776783SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*e7776783SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*e7776783SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*e7776783SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*e7776783SApple OSS Distributions  * Please see the License for the specific language governing rights and
19*e7776783SApple OSS Distributions  * limitations under the License.
20*e7776783SApple OSS Distributions  *
21*e7776783SApple OSS Distributions  * @APPLE_LICENSE_HEADER_END@
22*e7776783SApple OSS Distributions  */
23*e7776783SApple OSS Distributions 
24*e7776783SApple OSS Distributions #ifndef NO_SYSCALL_LEGACY
25*e7776783SApple OSS Distributions 
26*e7776783SApple OSS Distributions #define _NONSTD_SOURCE
27*e7776783SApple OSS Distributions #include <sys/cdefs.h>
28*e7776783SApple OSS Distributions 
29*e7776783SApple OSS Distributions /*
30*e7776783SApple OSS Distributions  * We need conformance on so that EOPNOTSUPP=102.  But the routine symbol
31*e7776783SApple OSS Distributions  * will still be the legacy (undecorated) one.
32*e7776783SApple OSS Distributions  */
33*e7776783SApple OSS Distributions #undef __DARWIN_UNIX03
34*e7776783SApple OSS Distributions #define __DARWIN_UNIX03 1
35*e7776783SApple OSS Distributions 
36*e7776783SApple OSS Distributions #include <sys/types.h>
37*e7776783SApple OSS Distributions #include <sys/socket.h>
38*e7776783SApple OSS Distributions 
39*e7776783SApple OSS Distributions #include "_errno.h"
40*e7776783SApple OSS Distributions 
41*e7776783SApple OSS Distributions extern int __socketpair(int, int, int, int[2]);
42*e7776783SApple OSS Distributions 
43*e7776783SApple OSS Distributions /*
44*e7776783SApple OSS Distributions  * socketpair stub, legacy version
45*e7776783SApple OSS Distributions  */
46*e7776783SApple OSS Distributions int
socketpair(int domain,int type,int protocol,int socket_vector[2])47*e7776783SApple OSS Distributions socketpair(int domain, int type, int protocol, int socket_vector[2])
48*e7776783SApple OSS Distributions {
49*e7776783SApple OSS Distributions 	int ret = __socketpair(domain, type, protocol, socket_vector);
50*e7776783SApple OSS Distributions 
51*e7776783SApple OSS Distributions 	/* use ENOTSUP for legacy behavior */
52*e7776783SApple OSS Distributions 	if (ret < 0 && errno == EOPNOTSUPP) {
53*e7776783SApple OSS Distributions 		errno = ENOTSUP;
54*e7776783SApple OSS Distributions 	}
55*e7776783SApple OSS Distributions 	return ret;
56*e7776783SApple OSS Distributions }
57*e7776783SApple OSS Distributions 
58*e7776783SApple OSS Distributions #endif
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