xref: /xnu-11417.140.69/libsyscall/wrappers/legacy/socketpair.c (revision 43a90889846e00bfb5cf1d255cdc0a701a1e05a4)
1*43a90889SApple OSS Distributions /*
2*43a90889SApple OSS Distributions  * Copyright (c) 2006-2010 Apple Inc. All rights reserved.
3*43a90889SApple OSS Distributions  *
4*43a90889SApple OSS Distributions  * @APPLE_LICENSE_HEADER_START@
5*43a90889SApple OSS Distributions  *
6*43a90889SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*43a90889SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*43a90889SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*43a90889SApple OSS Distributions  * compliance with the License. Please obtain a copy of the License at
10*43a90889SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this
11*43a90889SApple OSS Distributions  * file.
12*43a90889SApple OSS Distributions  *
13*43a90889SApple OSS Distributions  * The Original Code and all software distributed under the License are
14*43a90889SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*43a90889SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*43a90889SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*43a90889SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*43a90889SApple OSS Distributions  * Please see the License for the specific language governing rights and
19*43a90889SApple OSS Distributions  * limitations under the License.
20*43a90889SApple OSS Distributions  *
21*43a90889SApple OSS Distributions  * @APPLE_LICENSE_HEADER_END@
22*43a90889SApple OSS Distributions  */
23*43a90889SApple OSS Distributions 
24*43a90889SApple OSS Distributions #ifndef NO_SYSCALL_LEGACY
25*43a90889SApple OSS Distributions 
26*43a90889SApple OSS Distributions #define _NONSTD_SOURCE
27*43a90889SApple OSS Distributions #include <sys/cdefs.h>
28*43a90889SApple OSS Distributions 
29*43a90889SApple OSS Distributions /*
30*43a90889SApple OSS Distributions  * We need conformance on so that EOPNOTSUPP=102.  But the routine symbol
31*43a90889SApple OSS Distributions  * will still be the legacy (undecorated) one.
32*43a90889SApple OSS Distributions  */
33*43a90889SApple OSS Distributions #undef __DARWIN_UNIX03
34*43a90889SApple OSS Distributions #define __DARWIN_UNIX03 1
35*43a90889SApple OSS Distributions 
36*43a90889SApple OSS Distributions #include <sys/types.h>
37*43a90889SApple OSS Distributions #include <sys/socket.h>
38*43a90889SApple OSS Distributions 
39*43a90889SApple OSS Distributions #include "_errno.h"
40*43a90889SApple OSS Distributions 
41*43a90889SApple OSS Distributions extern int __socketpair(int, int, int, int[2]);
42*43a90889SApple OSS Distributions 
43*43a90889SApple OSS Distributions /*
44*43a90889SApple OSS Distributions  * socketpair stub, legacy version
45*43a90889SApple OSS Distributions  */
46*43a90889SApple OSS Distributions int
socketpair(int domain,int type,int protocol,int socket_vector[2])47*43a90889SApple OSS Distributions socketpair(int domain, int type, int protocol, int socket_vector[2])
48*43a90889SApple OSS Distributions {
49*43a90889SApple OSS Distributions 	int ret = __socketpair(domain, type, protocol, socket_vector);
50*43a90889SApple OSS Distributions 
51*43a90889SApple OSS Distributions 	/* use ENOTSUP for legacy behavior */
52*43a90889SApple OSS Distributions 	if (ret < 0 && errno == EOPNOTSUPP) {
53*43a90889SApple OSS Distributions 		errno = ENOTSUP;
54*43a90889SApple OSS Distributions 	}
55*43a90889SApple OSS Distributions 	return ret;
56*43a90889SApple OSS Distributions }
57*43a90889SApple OSS Distributions 
58*43a90889SApple OSS Distributions #endif
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