diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:59:48 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:59:48 +0000 |
commit | 3b9b6d0b8e7f798023c9d109c490449d528fde80 (patch) | |
tree | 2e1c188dd7b8d7475cd163de9ae02c428343669b /lib/isc/include/isc/mutex.h | |
parent | Initial commit. (diff) | |
download | bind9-3b9b6d0b8e7f798023c9d109c490449d528fde80.tar.xz bind9-3b9b6d0b8e7f798023c9d109c490449d528fde80.zip |
Adding upstream version 1:9.18.19.upstream/1%9.18.19upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | lib/isc/include/isc/mutex.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/lib/isc/include/isc/mutex.h b/lib/isc/include/isc/mutex.h new file mode 100644 index 0000000..b794216 --- /dev/null +++ b/lib/isc/include/isc/mutex.h @@ -0,0 +1,50 @@ +/* + * 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 |