mirror of
https://gitlab.isc.org/isc-projects/bind9
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53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, you can obtain one at https://mozilla.org/MPL/2.0/.
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*
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* See the COPYRIGHT file distributed with this work for additional
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* information regarding copyright ownership.
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*/
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/*! \file */
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#include <stdbool.h>
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#include <isc/result.h>
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#include <isc/time.h>
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#include <isc/timer.h>
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#include <dns/timer.h>
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#include <dns/types.h>
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#define CHECK(op) \
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do { \
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result = (op); \
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if (result != ISC_R_SUCCESS) \
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goto failure; \
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} while (0)
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isc_result_t
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dns_timer_setidle(isc_timer_t *timer, unsigned int maxtime,
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unsigned int idletime, bool purge) {
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isc_result_t result;
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isc_interval_t maxinterval, idleinterval;
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isc_time_t expires;
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/* Compute the time of expiry. */
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isc_interval_set(&maxinterval, maxtime, 0);
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CHECK(isc_time_nowplusinterval(&expires, &maxinterval));
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/*
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* Compute the idle interval, and add a spare nanosecond to
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* work around the silly limitation of the ISC timer interface
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* that you cannot specify an idle interval of zero.
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*/
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isc_interval_set(&idleinterval, idletime, 1);
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CHECK(isc_timer_reset(timer, isc_timertype_once, &expires,
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&idleinterval, purge));
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failure:
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return (result);
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}
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