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 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 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 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