joey shelton / LED_Demo2

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Dependencies:   MAX44000 PWM_Tone_Library nexpaq_mdk

Fork of LED_Demo by joey shelton

mbd_os/TESTS/mbedmicro-rtos-mbed/threads/LockGuard.h@9:6bb35cef007d, 2016-10-22 (annotated)

Committer:
cyberjoey
Date:
Sat Oct 22 01:31:58 2016 +0000
Revision:
9:6bb35cef007d
Parent:
1:55a6170b404f 
WORKING

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nexpaq 1:55a6170b404f 1 /*
nexpaq 1:55a6170b404f 2 * Copyright (c) 2013-2016, ARM Limited, All Rights Reserved
nexpaq 1:55a6170b404f 3 * SPDX-License-Identifier: Apache-2.0
nexpaq 1:55a6170b404f 4 *
nexpaq 1:55a6170b404f 5 * Licensed under the Apache License, Version 2.0 (the "License"); you may
nexpaq 1:55a6170b404f 6 * not use this file except in compliance with the License.
nexpaq 1:55a6170b404f 7 * You may obtain a copy of the License at
nexpaq 1:55a6170b404f 8 *
nexpaq 1:55a6170b404f 9 * http://www.apache.org/licenses/LICENSE-2.0
nexpaq 1:55a6170b404f 10 *
nexpaq 1:55a6170b404f 11 * Unless required by applicable law or agreed to in writing, software
nexpaq 1:55a6170b404f 12 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
nexpaq 1:55a6170b404f 13 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
nexpaq 1:55a6170b404f 14 * See the License for the specific language governing permissions and
nexpaq 1:55a6170b404f 15 * limitations under the License.
nexpaq 1:55a6170b404f 16 */
nexpaq 1:55a6170b404f 17
nexpaq 1:55a6170b404f 18 #ifndef MBEDMICRO_RTOS_MBED_THREADS_LOCK_GUARD
nexpaq 1:55a6170b404f 19 #define MBEDMICRO_RTOS_MBED_THREADS_LOCK_GUARD
nexpaq 1:55a6170b404f 20
nexpaq 1:55a6170b404f 21 #include <rtos.h>
nexpaq 1:55a6170b404f 22
nexpaq 1:55a6170b404f 23 /**
nexpaq 1:55a6170b404f 24 * RAII mutex locker.
nexpaq 1:55a6170b404f 25 * The mutex pass in the constructor will be locked for the lifetime of
nexpaq 1:55a6170b404f 26 * the LockGuard instance.
nexpaq 1:55a6170b404f 27 */
nexpaq 1:55a6170b404f 28 class LockGuard {
nexpaq 1:55a6170b404f 29 public:
nexpaq 1:55a6170b404f 30 /**
nexpaq 1:55a6170b404f 31 * Construct a LockGuard instance and ackire ownership of mutex in input.
nexpaq 1:55a6170b404f 32 * @param mutex The mutex to ackire ownership of.
nexpaq 1:55a6170b404f 33 */
nexpaq 1:55a6170b404f 34 LockGuard(rtos::Mutex& mutex) : _mutex(mutex) {
nexpaq 1:55a6170b404f 35 _mutex.lock();
nexpaq 1:55a6170b404f 36 }
nexpaq 1:55a6170b404f 37
nexpaq 1:55a6170b404f 38 /**
nexpaq 1:55a6170b404f 39 * Destruct the lock and release the inner mutex.
nexpaq 1:55a6170b404f 40 */
nexpaq 1:55a6170b404f 41 ~LockGuard() {
nexpaq 1:55a6170b404f 42 _mutex.unlock();
nexpaq 1:55a6170b404f 43 }
nexpaq 1:55a6170b404f 44
nexpaq 1:55a6170b404f 45 private:
nexpaq 1:55a6170b404f 46 LockGuard(const LockGuard&);
nexpaq 1:55a6170b404f 47 LockGuard& operator=(const LockGuard&);
nexpaq 1:55a6170b404f 48 rtos::Mutex& _mutex;
nexpaq 1:55a6170b404f 49 };
nexpaq 1:55a6170b404f 50
nexpaq 1:55a6170b404f 51 #endif /* MBEDMICRO_RTOS_MBED_THREADS_LOCK_GUARD */