mirror of https://github.com/ARMmbed/mbed-os.git
53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
/*
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* Copyright (c) 2013-2016, ARM Limited, All Rights Reserved
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MBEDMICRO_RTOS_MBED_THREADS_LOCK_GUARD
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#define MBEDMICRO_RTOS_MBED_THREADS_LOCK_GUARD
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#include <rtos.h>
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/**
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* RAII mutex locker.
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* The mutex pass in the constructor will be locked for the lifetime of
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* the LockGuard instance.
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*/
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class LockGuard {
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public:
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/**
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* Construct a LockGuard instance and ackire ownership of mutex in input.
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* @param mutex The mutex to ackire ownership of.
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*/
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LockGuard(rtos::Mutex &mutex) : _mutex(mutex)
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{
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_mutex.lock();
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}
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/**
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* Destruct the lock and release the inner mutex.
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*/
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~LockGuard()
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{
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_mutex.unlock();
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}
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private:
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LockGuard(const LockGuard &);
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LockGuard &operator=(const LockGuard &);
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rtos::Mutex &_mutex;
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};
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#endif /* MBEDMICRO_RTOS_MBED_THREADS_LOCK_GUARD */
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