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 #include "_errno.h"
39 
40 ssize_t __sendmsg_nocancel(int, const struct msghdr *, int);
41 
42 /*
43  * sendmsg stub, legacy version
44  */
45 ssize_t
sendmsg(int s,const struct msghdr * msg,int flags)46 sendmsg(int s, const struct msghdr *msg, int flags)
47 {
48 	int ret = __sendmsg_nocancel(s, msg, flags);
49 
50 	/* use ENOTSUP for legacy behavior */
51 	if (ret < 0 && errno == EOPNOTSUPP) {
52 		errno = ENOTSUP;
53 	}
54 	return ret;
55 }
56 
57 #endif
58