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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#pragma once
/*! \file */
#include <pthread.h>
#include <stdio.h>
#include <isc/lang.h>
#include <isc/result.h> /* for ISC_R_ codes */
ISC_LANG_BEGINDECLS
typedef pthread_mutex_t isc_mutex_t;
int
isc__mutex_init(isc_mutex_t *mp);
#define isc_mutex_init(mp) \
do { \
int _err = isc__mutex_init((mp)); \
if (_err != 0) { \
FATAL_SYSERROR(_err, "pthread_mutex_init()"); \
} \
} while (0)
#define isc_mutex_lock(mp) \
((pthread_mutex_lock((mp)) == 0) ? ISC_R_SUCCESS : ISC_R_UNEXPECTED)
#define isc_mutex_unlock(mp) \
((pthread_mutex_unlock((mp)) == 0) ? ISC_R_SUCCESS : ISC_R_UNEXPECTED)
#define isc_mutex_trylock(mp) \
((pthread_mutex_trylock((mp)) == 0) ? ISC_R_SUCCESS : ISC_R_LOCKBUSY)
#define isc_mutex_destroy(mp) RUNTIME_CHECK(pthread_mutex_destroy((mp)) == 0)
ISC_LANG_ENDDECLS
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