xref: /onnv-gate/usr/src/lib/libbc/libc/sys/common/recv.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 1990 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #include <stdio.h>
30*0Sstevel@tonic-gate #include <sys/types.h>
31*0Sstevel@tonic-gate #include <sys/socket.h>
32*0Sstevel@tonic-gate #include <sys/errno.h>
33*0Sstevel@tonic-gate 
34*0Sstevel@tonic-gate extern int	errno;
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate #define N_AGAIN 11
37*0Sstevel@tonic-gate 
recv(s,buf,len,flags)38*0Sstevel@tonic-gate int	recv(s, buf, len, flags)
39*0Sstevel@tonic-gate int	s;
40*0Sstevel@tonic-gate char	*buf;
41*0Sstevel@tonic-gate int	len, flags;
42*0Sstevel@tonic-gate {
43*0Sstevel@tonic-gate 	int	a;
44*0Sstevel@tonic-gate 	if ((a = _recv(s, buf, len, flags)) == -1) {
45*0Sstevel@tonic-gate 		if (errno == N_AGAIN)
46*0Sstevel@tonic-gate 			errno = EWOULDBLOCK;
47*0Sstevel@tonic-gate 		else
48*0Sstevel@tonic-gate 			maperror(errno);
49*0Sstevel@tonic-gate 	}
50*0Sstevel@tonic-gate 	return(a);
51*0Sstevel@tonic-gate }
52*0Sstevel@tonic-gate 
53*0Sstevel@tonic-gate 
recvfrom(s,buf,len,flags,from,fromlen)54*0Sstevel@tonic-gate int	recvfrom(s, buf, len, flags, from, fromlen)
55*0Sstevel@tonic-gate int	s;
56*0Sstevel@tonic-gate char	*buf;
57*0Sstevel@tonic-gate int	len, flags;
58*0Sstevel@tonic-gate struct sockaddr *from;
59*0Sstevel@tonic-gate int	*fromlen;
60*0Sstevel@tonic-gate {
61*0Sstevel@tonic-gate 	int	a;
62*0Sstevel@tonic-gate 	if ((a = _recvfrom(s, buf, len, flags, from, fromlen)) == -1) {
63*0Sstevel@tonic-gate 		if (errno == N_AGAIN)
64*0Sstevel@tonic-gate 			errno = EWOULDBLOCK;
65*0Sstevel@tonic-gate 		else
66*0Sstevel@tonic-gate 			maperror(errno);
67*0Sstevel@tonic-gate 	}
68*0Sstevel@tonic-gate 	return(a);
69*0Sstevel@tonic-gate }
70*0Sstevel@tonic-gate 
71*0Sstevel@tonic-gate 
recvmsg(s,msg,flags)72*0Sstevel@tonic-gate int	recvmsg(s, msg, flags)
73*0Sstevel@tonic-gate int	s;
74*0Sstevel@tonic-gate struct msghdr *msg;
75*0Sstevel@tonic-gate int	flags;
76*0Sstevel@tonic-gate {
77*0Sstevel@tonic-gate 	int	a;
78*0Sstevel@tonic-gate 	if ((a = _recvmsg(s, msg, flags)) == -1) {
79*0Sstevel@tonic-gate 		if (errno == N_AGAIN)
80*0Sstevel@tonic-gate 			errno = EWOULDBLOCK;
81*0Sstevel@tonic-gate 		else
82*0Sstevel@tonic-gate 			maperror(errno);
83*0Sstevel@tonic-gate 	}
84*0Sstevel@tonic-gate 	return(a);
85*0Sstevel@tonic-gate }
86*0Sstevel@tonic-gate 
87*0Sstevel@tonic-gate 
88