2 * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 2000, 2001 Internet Software Consortium.
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15 * PERFORMANCE OF THIS SOFTWARE.
18 /* $Id: timer.c,v 1.7 2007/06/19 23:47:16 tbox Exp $ */
24 #include <isc/result.h>
26 #include <isc/timer.h>
28 #include <dns/types.h>
29 #include <dns/timer.h>
33 if (result != ISC_R_SUCCESS) goto failure; \
37 dns_timer_setidle(isc_timer_t *timer, unsigned int maxtime,
38 unsigned int idletime, isc_boolean_t purge)
41 isc_interval_t maxinterval, idleinterval;
44 /* Compute the time of expiry. */
45 isc_interval_set(&maxinterval, maxtime, 0);
46 CHECK(isc_time_nowplusinterval(&expires, &maxinterval));
49 * Compute the idle interval, and add a spare nanosecond to
50 * work around the silly limitation of the ISC timer interface
51 * that you cannot specify an idle interval of zero.
53 isc_interval_set(&idleinterval, idletime, 1);
55 CHECK(isc_timer_reset(timer, isc_timertype_once,
56 &expires, &idleinterval,