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a241c69920
WARNING: ThreadSanitizer: data race
Read of size 4 at 0x000000000001 by thread T1 (mutexes: write M1):
#0 zone_iattach lib/dns/zone.c:5412:2
#1 soa_query lib/dns/zone.c:12725:2
#2 dispatch lib/isc/task.c:1157:7
#3 run lib/isc/task.c:1331:2
Previous write of size 4 at 0x000000000001 by thread T2 (mutexes: write M2):
#0 dns_zone_detach lib/dns/zone.c:5346:2
#1 ns_server_refreshcommand bin/named/./server.c:9880:3
#2 ns_control_docommand bin/named/control.c:247:12
#3 control_recvmessage bin/named/controlconf.c:469:13
#4 dispatch lib/isc/task.c:1157:7
#5 run lib/isc/task.c:1331:2
47 lines
1.2 KiB
C
47 lines
1.2 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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#include <config.h>
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#include <stddef.h>
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#include <isc/mutex.h>
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#include <isc/refcount.h>
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#include <isc/result.h>
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#include <isc/util.h>
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#if defined(ISC_PLATFORM_USETHREADS) && !defined(ISC_REFCOUNT_HAVEATOMIC)
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unsigned int
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isc_refcount_current(isc_refcount_t *ref) {
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isc_result_t result;
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unsigned int answer;
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result = isc_mutex_lock(&ref->lock);
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ISC_ERROR_RUNTIMECHECK(result == ISC_R_SUCCESS);
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answer = ref->refs;
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result = isc_mutex_unlock(&ref->lock);
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ISC_ERROR_RUNTIMECHECK(result == ISC_R_SUCCESS);
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return (answer);
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}
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#endif
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isc_result_t
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isc_refcount_init(isc_refcount_t *ref, unsigned int n) {
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REQUIRE(ref != NULL);
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ref->refs = n;
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#if defined(ISC_PLATFORM_USETHREADS) && !defined(ISC_REFCOUNT_HAVEATOMIC)
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return (isc_mutex_init(&ref->lock));
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#else
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return (ISC_R_SUCCESS);
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#endif
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}
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