1 /* 2 * Copyright (c) 1982, 1986, 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 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 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 * @(#)tcp_timer.h 8.1 (Berkeley) 6/10/93 34 * $FreeBSD: src/sys/netinet/tcp_timer.h,v 1.18.2.1 2002/08/16 22:16:39 dillon Exp $ 35 * $DragonFly: src/sys/netinet/tcp_timer.h,v 1.3 2003/08/23 11:18:00 rob Exp $ 36 */ 37 38 #ifndef _NETINET_TCP_TIMER2_H_ 39 #define _NETINET_TCP_TIMER2_H_ 40 41 #ifdef _KERNEL 42 43 #ifndef _SYS_THREAD2_H_ 44 #include <sys/thread2.h> 45 #endif 46 47 #ifndef _SYS_CALLOUT_H_ 48 #include <sys/callout.h> 49 #endif 50 51 #ifndef _NETINET_TCP_VAR_H_ 52 #include <netinet/tcp_var.h> 53 #endif 54 55 #ifndef _NETINET_TCP_TIMER_H_ 56 #include <netinet/tcp_timer.h> 57 #endif 58 59 static __inline void 60 tcp_callout_stop(struct tcpcb *_tp, struct tcp_callout *_tc) 61 { 62 crit_enter(); 63 callout_stop(&_tc->tc_callout); 64 _tp->tt_msg->tt_tasks &= ~_tc->tc_task; 65 _tp->tt_msg->tt_running_tasks &= ~_tc->tc_task; 66 crit_exit(); 67 } 68 69 static __inline void 70 tcp_callout_reset(struct tcpcb *_tp, struct tcp_callout *_tc, int _to_ticks, 71 void (*_func)(void *)) 72 { 73 crit_enter(); 74 callout_reset(&_tc->tc_callout, _to_ticks, _func, _tp); 75 _tp->tt_msg->tt_tasks &= ~_tc->tc_task; 76 _tp->tt_msg->tt_running_tasks &= ~_tc->tc_task; 77 crit_exit(); 78 } 79 80 static __inline int 81 tcp_callout_active(struct tcpcb *_tp, struct tcp_callout *_tc) 82 { 83 int _act; 84 85 crit_enter(); 86 _act = callout_active(&_tc->tc_callout); 87 if (!_act) { 88 _act = (_tp->tt_msg->tt_tasks | 89 _tp->tt_msg->tt_running_tasks) & _tc->tc_task; 90 } 91 crit_exit(); 92 return _act; 93 } 94 95 static __inline int 96 tcp_callout_pending(struct tcpcb *_tp __unused, struct tcp_callout *_tc) 97 { 98 return callout_pending(&_tc->tc_callout); 99 } 100 101 #endif /* !_KERNEL */ 102 103 #endif /* _NETINET_TCP_TIMER2_H_ */ 104