xref: /titanic_50/usr/src/lib/libbc/libc/sys/common/recv.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 1990 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #include <stdio.h>
30 #include <sys/types.h>
31 #include <sys/socket.h>
32 #include <sys/errno.h>
33 
34 extern int	errno;
35 
36 #define N_AGAIN 11
37 
recv(s,buf,len,flags)38 int	recv(s, buf, len, flags)
39 int	s;
40 char	*buf;
41 int	len, flags;
42 {
43 	int	a;
44 	if ((a = _recv(s, buf, len, flags)) == -1) {
45 		if (errno == N_AGAIN)
46 			errno = EWOULDBLOCK;
47 		else
48 			maperror(errno);
49 	}
50 	return(a);
51 }
52 
53 
recvfrom(s,buf,len,flags,from,fromlen)54 int	recvfrom(s, buf, len, flags, from, fromlen)
55 int	s;
56 char	*buf;
57 int	len, flags;
58 struct sockaddr *from;
59 int	*fromlen;
60 {
61 	int	a;
62 	if ((a = _recvfrom(s, buf, len, flags, from, fromlen)) == -1) {
63 		if (errno == N_AGAIN)
64 			errno = EWOULDBLOCK;
65 		else
66 			maperror(errno);
67 	}
68 	return(a);
69 }
70 
71 
recvmsg(s,msg,flags)72 int	recvmsg(s, msg, flags)
73 int	s;
74 struct msghdr *msg;
75 int	flags;
76 {
77 	int	a;
78 	if ((a = _recvmsg(s, msg, flags)) == -1) {
79 		if (errno == N_AGAIN)
80 			errno = EWOULDBLOCK;
81 		else
82 			maperror(errno);
83 	}
84 	return(a);
85 }
86 
87 
88