| mbuf.h (88449) | mbuf.h (90227) |
|---|---|
| 1/*- 2 * Copyright (c) 1982, 1986, 1988, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)mbuf.h 8.5 (Berkeley) 2/19/95 | 1/*- 2 * Copyright (c) 1982, 1986, 1988, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)mbuf.h 8.5 (Berkeley) 2/19/95 |
| 34 * $FreeBSD: head/sys/sys/mbuf.h 88449 2001-12-23 22:04:08Z bmilekic $ | 34 * $FreeBSD: head/sys/sys/mbuf.h 90227 2002-02-05 02:00:56Z dillon $ |
| 35 */ 36 37#ifndef _SYS_MBUF_H_ 38#define _SYS_MBUF_H_ 39 40/* 41 * Mbufs are of a single size, MSIZE (machine/param.h), which 42 * includes overhead. An mbuf may add a single "mbuf cluster" of size --- 236 unchanged lines hidden (view full) --- 279 * (for compatibility purposes). 280 */ 281#define m_getclr m_get_clrd 282#define MGET(m, how, type) (m) = m_get((how), (type)) 283#define MGETHDR(m, how, type) (m) = m_gethdr((how), (type)) 284#define MCLGET(m, how) m_clget((m), (how)) 285#define MEXTADD(m, buf, size, free, args, flags, type) \ 286 m_extadd((m), (caddr_t)(buf), (size), (free), (args), (flags), (type)) | 35 */ 36 37#ifndef _SYS_MBUF_H_ 38#define _SYS_MBUF_H_ 39 40/* 41 * Mbufs are of a single size, MSIZE (machine/param.h), which 42 * includes overhead. An mbuf may add a single "mbuf cluster" of size --- 236 unchanged lines hidden (view full) --- 279 * (for compatibility purposes). 280 */ 281#define m_getclr m_get_clrd 282#define MGET(m, how, type) (m) = m_get((how), (type)) 283#define MGETHDR(m, how, type) (m) = m_gethdr((how), (type)) 284#define MCLGET(m, how) m_clget((m), (how)) 285#define MEXTADD(m, buf, size, free, args, flags, type) \ 286 m_extadd((m), (caddr_t)(buf), (size), (free), (args), (flags), (type)) |
| 287#define MFREE(m, n) do { \ 288 (n) = m_free((m)); \ 289 (m) = NULL; \ 290} while (0) | |
| 291 292/* 293 * MEXTFREE(m): disassociate (and possibly free) an external object from (m). 294 * 295 * If the atomic_cmpset_int() returns 0, then we effectively do nothing 296 * in terms of "cleaning up" (freeing the ext buf and ref. counter) as 297 * this means that either there are still references, or another thread 298 * is taking care of the clean-up. --- 156 unchanged lines hidden --- | 287 288/* 289 * MEXTFREE(m): disassociate (and possibly free) an external object from (m). 290 * 291 * If the atomic_cmpset_int() returns 0, then we effectively do nothing 292 * in terms of "cleaning up" (freeing the ext buf and ref. counter) as 293 * this means that either there are still references, or another thread 294 * is taking care of the clean-up. --- 156 unchanged lines hidden --- |