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mbed-os/TESTS/mbedmicro-rtos-mbed/threads/SynchronizedIntegral.h@3:f3764f852aa8, 2018-10-11 (annotated)
- Committer:
- kadonotakashi
- Date:
- Thu Oct 11 02:27:46 2018 +0000
- Revision:
- 3:f3764f852aa8
- Parent:
- 0:8fdf9a60065b
Nucreo 446 + SSD1331 test version;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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kadonotakashi | 0:8fdf9a60065b | 1 | /* |
kadonotakashi | 0:8fdf9a60065b | 2 | * Copyright (c) 2013-2016, ARM Limited, All Rights Reserved |
kadonotakashi | 0:8fdf9a60065b | 3 | * SPDX-License-Identifier: Apache-2.0 |
kadonotakashi | 0:8fdf9a60065b | 4 | * |
kadonotakashi | 0:8fdf9a60065b | 5 | * Licensed under the Apache License, Version 2.0 (the "License"); you may |
kadonotakashi | 0:8fdf9a60065b | 6 | * not use this file except in compliance with the License. |
kadonotakashi | 0:8fdf9a60065b | 7 | * You may obtain a copy of the License at |
kadonotakashi | 0:8fdf9a60065b | 8 | * |
kadonotakashi | 0:8fdf9a60065b | 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
kadonotakashi | 0:8fdf9a60065b | 10 | * |
kadonotakashi | 0:8fdf9a60065b | 11 | * Unless required by applicable law or agreed to in writing, software |
kadonotakashi | 0:8fdf9a60065b | 12 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
kadonotakashi | 0:8fdf9a60065b | 13 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
kadonotakashi | 0:8fdf9a60065b | 14 | * See the License for the specific language governing permissions and |
kadonotakashi | 0:8fdf9a60065b | 15 | * limitations under the License. |
kadonotakashi | 0:8fdf9a60065b | 16 | */ |
kadonotakashi | 0:8fdf9a60065b | 17 | |
kadonotakashi | 0:8fdf9a60065b | 18 | #ifndef MBEDMICRO_RTOS_MBED_THREADS_SYNCHRONIZED_INTEGRAL |
kadonotakashi | 0:8fdf9a60065b | 19 | #define MBEDMICRO_RTOS_MBED_THREADS_SYNCHRONIZED_INTEGRAL |
kadonotakashi | 0:8fdf9a60065b | 20 | |
kadonotakashi | 0:8fdf9a60065b | 21 | #include <rtos.h> |
kadonotakashi | 0:8fdf9a60065b | 22 | #include "LockGuard.h" |
kadonotakashi | 0:8fdf9a60065b | 23 | |
kadonotakashi | 0:8fdf9a60065b | 24 | /** |
kadonotakashi | 0:8fdf9a60065b | 25 | * Thread safe wrapper for integral types. |
kadonotakashi | 0:8fdf9a60065b | 26 | * @tparam T type of the integral |
kadonotakashi | 0:8fdf9a60065b | 27 | */ |
kadonotakashi | 0:8fdf9a60065b | 28 | template<typename T> |
kadonotakashi | 0:8fdf9a60065b | 29 | class SynchronizedIntegral { |
kadonotakashi | 0:8fdf9a60065b | 30 | public: |
kadonotakashi | 0:8fdf9a60065b | 31 | SynchronizedIntegral(T value) : _mutex(), _value(value) { } |
kadonotakashi | 0:8fdf9a60065b | 32 | |
kadonotakashi | 0:8fdf9a60065b | 33 | // preincrement operator |
kadonotakashi | 0:8fdf9a60065b | 34 | T operator++() |
kadonotakashi | 0:8fdf9a60065b | 35 | { |
kadonotakashi | 0:8fdf9a60065b | 36 | LockGuard lock(_mutex); |
kadonotakashi | 0:8fdf9a60065b | 37 | return ++_value; |
kadonotakashi | 0:8fdf9a60065b | 38 | } |
kadonotakashi | 0:8fdf9a60065b | 39 | |
kadonotakashi | 0:8fdf9a60065b | 40 | // predecrement operator |
kadonotakashi | 0:8fdf9a60065b | 41 | T operator--() |
kadonotakashi | 0:8fdf9a60065b | 42 | { |
kadonotakashi | 0:8fdf9a60065b | 43 | LockGuard lock(_mutex); |
kadonotakashi | 0:8fdf9a60065b | 44 | return --_value; |
kadonotakashi | 0:8fdf9a60065b | 45 | } |
kadonotakashi | 0:8fdf9a60065b | 46 | |
kadonotakashi | 0:8fdf9a60065b | 47 | // post increment operator |
kadonotakashi | 0:8fdf9a60065b | 48 | T operator++(int) |
kadonotakashi | 0:8fdf9a60065b | 49 | { |
kadonotakashi | 0:8fdf9a60065b | 50 | LockGuard lock(_mutex); |
kadonotakashi | 0:8fdf9a60065b | 51 | return _value++; |
kadonotakashi | 0:8fdf9a60065b | 52 | } |
kadonotakashi | 0:8fdf9a60065b | 53 | |
kadonotakashi | 0:8fdf9a60065b | 54 | // post decrement operator |
kadonotakashi | 0:8fdf9a60065b | 55 | T operator--(int) |
kadonotakashi | 0:8fdf9a60065b | 56 | { |
kadonotakashi | 0:8fdf9a60065b | 57 | LockGuard lock(_mutex); |
kadonotakashi | 0:8fdf9a60065b | 58 | return _value--; |
kadonotakashi | 0:8fdf9a60065b | 59 | } |
kadonotakashi | 0:8fdf9a60065b | 60 | |
kadonotakashi | 0:8fdf9a60065b | 61 | // conversion operator, used also for <,>,<=,>=,== and != |
kadonotakashi | 0:8fdf9a60065b | 62 | operator T() const |
kadonotakashi | 0:8fdf9a60065b | 63 | { |
kadonotakashi | 0:8fdf9a60065b | 64 | LockGuard lock(_mutex); |
kadonotakashi | 0:8fdf9a60065b | 65 | return _value; |
kadonotakashi | 0:8fdf9a60065b | 66 | } |
kadonotakashi | 0:8fdf9a60065b | 67 | |
kadonotakashi | 0:8fdf9a60065b | 68 | // access to the internal mutex |
kadonotakashi | 0:8fdf9a60065b | 69 | rtos::Mutex &internal_mutex() |
kadonotakashi | 0:8fdf9a60065b | 70 | { |
kadonotakashi | 0:8fdf9a60065b | 71 | return _mutex; |
kadonotakashi | 0:8fdf9a60065b | 72 | } |
kadonotakashi | 0:8fdf9a60065b | 73 | |
kadonotakashi | 0:8fdf9a60065b | 74 | private: |
kadonotakashi | 0:8fdf9a60065b | 75 | mutable rtos::Mutex _mutex; |
kadonotakashi | 0:8fdf9a60065b | 76 | T _value; |
kadonotakashi | 0:8fdf9a60065b | 77 | }; |
kadonotakashi | 0:8fdf9a60065b | 78 | |
kadonotakashi | 0:8fdf9a60065b | 79 | #endif /* MBEDMICRO_RTOS_MBED_THREADS_SYNCHRONIZED_INTEGRAL */ |