URL
https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk
Subversion Repositories openrisc_me
[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [sys/] [linux/] [include/] [net/] [bpf_compat.h] - Rev 207
Compare with Previous | Blame | View Log
/*- * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)bpf_compat.h 8.1 (Berkeley) 6/10/93 * $FreeBSD: src/sys/net/bpf_compat.h,v 1.8 2000/12/27 22:20:13 bmilekic Exp $ */ #ifndef _NET_BPF_COMPAT_H_ #define _NET_BPF_COMPAT_H_ /* * Some hacks for compatibility across SunOS and 4.4BSD. We emulate malloc * and free with mbuf clusters. We store a pointer to the mbuf in the first * word of the mbuf and return 8 bytes passed the start of data (for double * word alignment). We cannot just use offsets because clusters are not at * a fixed offset from the associated mbuf. Sorry for this kludge. */ #define malloc(size, type, canwait) bpf_alloc(size, canwait) #define free(cp, type) m_free(*(struct mbuf **)(cp - 8)) #define M_WAITOK M_TRYWAIT #define M_NOWAIT M_DONTWAIT /* This mapping works for our purposes. */ #define ERESTART EINTR #endif