ソースの整理中ですが、利用はできます。 大きなファイルはできないかもしれません。

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Show/hide line numbers Semaphore.cpp Source File

Semaphore.cpp

00001 /* mbed Microcontroller Library
00002  * Copyright (c) 2006-2012 ARM Limited
00003  *
00004  * Permission is hereby granted, free of charge, to any person obtaining a copy
00005  * of this software and associated documentation files (the "Software"), to deal
00006  * in the Software without restriction, including without limitation the rights
00007  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00008  * copies of the Software, and to permit persons to whom the Software is
00009  * furnished to do so, subject to the following conditions:
00010  *
00011  * The above copyright notice and this permission notice shall be included in
00012  * all copies or substantial portions of the Software.
00013  *
00014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00017  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00018  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00019  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
00020  * SOFTWARE.
00021  */
00022 #include "Semaphore.h"
00023 
00024 #include <string.h>
00025 #include "error.h"
00026 
00027 namespace rtos {
00028 
00029 Semaphore::Semaphore(int32_t count) {
00030 #ifdef CMSIS_OS_RTX
00031     memset(_semaphore_data, 0, sizeof(_semaphore_data));
00032     _osSemaphoreDef.semaphore = _semaphore_data;
00033 #endif
00034     _osSemaphoreId = osSemaphoreCreate(&_osSemaphoreDef, count);
00035 }
00036 
00037 int32_t Semaphore::wait(uint32_t millisec) {
00038     return osSemaphoreWait(_osSemaphoreId, millisec);
00039 }
00040 
00041 osStatus Semaphore::release(void) {
00042     return osSemaphoreRelease(_osSemaphoreId);
00043 }
00044 
00045 Semaphore::~Semaphore() {
00046     osSemaphoreDelete(_osSemaphoreId);
00047 }
00048 
00049 }