| sockbuf.h (271946) | sockbuf.h (274421) |
|---|---|
| 1/*- 2 * Copyright (c) 1982, 1986, 1990, 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 --- 14 unchanged lines hidden (view full) --- 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)socketvar.h 8.3 (Berkeley) 2/19/95 30 * | 1/*- 2 * Copyright (c) 1982, 1986, 1990, 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 --- 14 unchanged lines hidden (view full) --- 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)socketvar.h 8.3 (Berkeley) 2/19/95 30 * |
| 31 * $FreeBSD: head/sys/sys/sockbuf.h 271946 2014-09-22 08:27:27Z hselasky $ | 31 * $FreeBSD: head/sys/sys/sockbuf.h 274421 2014-11-12 09:57:15Z glebius $ |
| 32 */ 33#ifndef _SYS_SOCKBUF_H_ 34#define _SYS_SOCKBUF_H_ 35#include <sys/selinfo.h> /* for struct selinfo */ 36#include <sys/_lock.h> 37#include <sys/_mutex.h> 38#include <sys/_sx.h> 39 --- 121 unchanged lines hidden (view full) --- 161struct mbuf * 162 sbsndmbuf(struct sockbuf *sb, u_int off, u_int *moff); 163void sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb); 164int sbwait(struct sockbuf *sb); 165int sblock(struct sockbuf *sb, int flags); 166void sbunlock(struct sockbuf *sb); 167 168/* | 32 */ 33#ifndef _SYS_SOCKBUF_H_ 34#define _SYS_SOCKBUF_H_ 35#include <sys/selinfo.h> /* for struct selinfo */ 36#include <sys/_lock.h> 37#include <sys/_mutex.h> 38#include <sys/_sx.h> 39 --- 121 unchanged lines hidden (view full) --- 161struct mbuf * 162 sbsndmbuf(struct sockbuf *sb, u_int off, u_int *moff); 163void sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb); 164int sbwait(struct sockbuf *sb); 165int sblock(struct sockbuf *sb, int flags); 166void sbunlock(struct sockbuf *sb); 167 168/* |
| 169 * Return how much data is available to be taken out of socket 170 * bufffer right now. 171 */ 172static inline u_int 173sbavail(struct sockbuf *sb) 174{ 175 176#if 0 177 SOCKBUF_LOCK_ASSERT(sb); 178#endif 179 return (sb->sb_cc); 180} 181 182/* 183 * Return how much data sits there in the socket buffer 184 * It might be that some data is not yet ready to be read. 185 */ 186static inline u_int 187sbused(struct sockbuf *sb) 188{ 189 190#if 0 191 SOCKBUF_LOCK_ASSERT(sb); 192#endif 193 return (sb->sb_cc); 194} 195 196/* |
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| 169 * How much space is there in a socket buffer (so->so_snd or so->so_rcv)? 170 * This is problematical if the fields are unsigned, as the space might 171 * still be negative (cc > hiwat or mbcnt > mbmax). Should detect 172 * overflow and return 0. Should use "lmin" but it doesn't exist now. 173 */ 174static __inline 175long 176sbspace(struct sockbuf *sb) --- 64 unchanged lines hidden --- | 197 * How much space is there in a socket buffer (so->so_snd or so->so_rcv)? 198 * This is problematical if the fields are unsigned, as the space might 199 * still be negative (cc > hiwat or mbcnt > mbmax). Should detect 200 * overflow and return 0. Should use "lmin" but it doesn't exist now. 201 */ 202static __inline 203long 204sbspace(struct sockbuf *sb) --- 64 unchanged lines hidden --- |