mutex++
Dependents: header_main_publish
Fork of mbed-rtos by
Diff: rtos/Mutex.cpp
- Revision:
- 8:88a1a9c26ae3
- Parent:
- 6:350b53afb889
- Child:
- 35:b8555a5966f6
--- a/rtos/Mutex.cpp Fri Nov 23 10:16:38 2012 +0000 +++ b/rtos/Mutex.cpp Tue Nov 27 16:55:38 2012 +0000 @@ -1,35 +1,56 @@ -#include "Mutex.h" - -#include <string.h> -#include "error.h" - -namespace rtos { - -Mutex::Mutex() { -#ifdef CMSIS_OS_RTX - memset(_mutex_data, 0, sizeof(_mutex_data)); - _osMutexDef.mutex = _mutex_data; -#endif - _osMutexId = osMutexCreate(&_osMutexDef); - if (_osMutexId == NULL) { - error("Error initializing the mutex object\n"); - } -} - -osStatus Mutex::lock(uint32_t millisec) { - return osMutexWait(_osMutexId, millisec); -} - -bool Mutex::trylock() { - return (osMutexWait(_osMutexId, 0) == osOK); -} - -osStatus Mutex::unlock() { - return osMutexRelease(_osMutexId); -} - -Mutex::~Mutex() { - osMutexDelete(_osMutexId); -} - -} +/* mbed Microcontroller Library + * Copyright (c) 2006-2012 ARM Limited + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#include "Mutex.h" + +#include <string.h> +#include "error.h" + +namespace rtos { + +Mutex::Mutex() { +#ifdef CMSIS_OS_RTX + memset(_mutex_data, 0, sizeof(_mutex_data)); + _osMutexDef.mutex = _mutex_data; +#endif + _osMutexId = osMutexCreate(&_osMutexDef); + if (_osMutexId == NULL) { + error("Error initializing the mutex object\n"); + } +} + +osStatus Mutex::lock(uint32_t millisec) { + return osMutexWait(_osMutexId, millisec); +} + +bool Mutex::trylock() { + return (osMutexWait(_osMutexId, 0) == osOK); +} + +osStatus Mutex::unlock() { + return osMutexRelease(_osMutexId); +} + +Mutex::~Mutex() { + osMutexDelete(_osMutexId); +} + +}