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bind9/lib/isc/mutex.c
Daniel Baumann f66ff7eae6
Adding upstream version 1:9.20.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-21 13:32:37 +02:00

54 lines
1.3 KiB
C

/*
* 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.
*/
/*! \file */
#include <errno.h>
#include <stdbool.h>
#include <stdio.h>
#include <sys/time.h>
#include <time.h>
#include <isc/mutex.h>
#include <isc/once.h>
#include <isc/strerr.h>
#include <isc/string.h>
#include <isc/util.h>
#include "mutex_p.h"
pthread_mutexattr_t isc__mutex_init_attr;
static isc_once_t init_once = ISC_ONCE_INIT;
static void
mutex_initialize(void) {
RUNTIME_CHECK(pthread_mutexattr_init(&isc__mutex_init_attr) == 0);
#if ISC_MUTEX_ERROR_CHECK
RUNTIME_CHECK(pthread_mutexattr_settype(&isc__mutex_init_attr,
PTHREAD_MUTEX_ERRORCHECK) == 0);
#elif HAVE_PTHREAD_MUTEX_ADAPTIVE_NP
RUNTIME_CHECK(pthread_mutexattr_settype(&isc__mutex_init_attr,
PTHREAD_MUTEX_ADAPTIVE_NP) ==
0);
#endif
}
void
isc__mutex_initialize(void) {
isc_once_do(&init_once, mutex_initialize);
}
void
isc__mutex_shutdown(void) {
/* noop */;
}