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/socket.h> 37#include "_errno.h" 38 39ssize_t __recvfrom_nocancel(int, void *, size_t, int, struct sockaddr * __restrict, socklen_t * __restrict); 40 41/* 42 * recvfrom stub, legacy version 43 */ 44ssize_t 45recvfrom(int s, void *buf, size_t len, int flags, struct sockaddr * __restrict from, socklen_t * __restrict fromlen) 46{ 47 int ret = __recvfrom_nocancel(s, buf, len, flags, from, fromlen); 48 49 /* use ENOTSUP for legacy behavior */ 50 if (ret < 0 && errno == EOPNOTSUPP) 51 errno = ENOTSUP; 52 return ret; 53} 54 55#endif 56