diff options
Diffstat (limited to 'usr.sbin/rtadvd/timer.c')
| -rw-r--r-- | usr.sbin/rtadvd/timer.c | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/usr.sbin/rtadvd/timer.c b/usr.sbin/rtadvd/timer.c deleted file mode 100644 index 58bf0da8a15..00000000000 --- a/usr.sbin/rtadvd/timer.c +++ /dev/null @@ -1,140 +0,0 @@ -/* $OpenBSD: timer.c,v 1.16 2016/03/01 20:51:05 jca Exp $ */ -/* $KAME: timer.c,v 1.7 2002/05/21 14:26:55 itojun Exp $ */ - -/* - * Copyright (C) 1998 WIDE Project. - * 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. Neither the name of the project 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 PROJECT 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 PROJECT 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. - */ - -#include <sys/queue.h> -#include <sys/time.h> - -#include <unistd.h> -#include <stdlib.h> -#include <string.h> -#include "timer.h" -#include "log.h" - -SLIST_HEAD(, rtadvd_timer) timer_head = SLIST_HEAD_INITIALIZER(timer_head); - -struct rtadvd_timer * -rtadvd_add_timer(void (*timeout)(void *), - void (*update)(void *, struct timeval *), - void *timeodata, void *updatedata) -{ - struct rtadvd_timer *newtimer; - - if ((newtimer = calloc(1, sizeof(*newtimer))) == NULL) - fatal(NULL); - - if (timeout == NULL) - fatalx("timeout function unspecified"); - if (update == NULL) - fatalx("update function unspecified"); - newtimer->expire = timeout; - newtimer->update = update; - newtimer->expire_data = timeodata; - newtimer->update_data = updatedata; - - /* link into chain */ - SLIST_INSERT_HEAD(&timer_head, newtimer, entries); - - return(newtimer); -} - -void -rtadvd_remove_timer(struct rtadvd_timer **timer) -{ - SLIST_REMOVE(&timer_head, *timer, rtadvd_timer, entries); - free(*timer); - *timer = NULL; -} - -void -rtadvd_set_timer(struct timeval *tm, struct rtadvd_timer *timer) -{ - struct timeval now; - - /* reset the timer */ - gettimeofday(&now, NULL); - - timeradd(&now, tm, &timer->tm); -} - -/* - * Check expiration for each timer. If a timer is expired, - * call the expire function for the timer and update the timer. - * Return the next interval. - */ -struct timeval * -rtadvd_check_timer(void) -{ - static struct timeval returnval; - struct timeval now; - struct rtadvd_timer *tm; - int timers; - - timers = 0; - gettimeofday(&now, NULL); - - SLIST_FOREACH(tm, &timer_head, entries) { - if (timercmp(&tm->tm, &now, <=)) { - (*tm->expire)(tm->expire_data); - (*tm->update)(tm->update_data, &tm->tm); - timeradd(&tm->tm, &now, &tm->tm); - } - if (timers == 0 || timercmp(&tm->tm, &returnval, <)) - returnval = tm->tm; - timers ++; - } - - if (timers == 0) { - /* no need to timeout */ - return(NULL); - } else if (timercmp(&returnval, &now, <)) { - /* this may occur when the interval is too small */ - timerclear(&returnval); - } else - timersub(&returnval, &now, &returnval); - return(&returnval); -} - -struct timeval * -rtadvd_timer_rest(struct rtadvd_timer *timer) -{ - static struct timeval returnval, now; - - gettimeofday(&now, NULL); - if (timercmp(&timer->tm, &now, <=)) { - log_debug("a timer must be expired, but not yet"); - timerclear(&returnval); - } - else - timersub(&timer->tm, &now, &returnval); - - return(&returnval); -} |