Timothy Beight / Mbed 2 deprecated 6_songs-from-the-cloud

This is a fork due to permission issues

Dependencies:   mbed Socket lwip-eth lwip-sys lwip

Fork of 6_songs-from-the-cloud by MakingMusicWorkshop

mbed-client/mbed-rtos/rtos/Mutex.cpp@1:0ddbe2d3319c, 2016-05-19 (annotated)

Committer:
timbeight
Date:
Thu May 19 16:02:10 2016 +0000
Revision:
1:0ddbe2d3319c
Parent:
0:f7c60d3e7b8a 
This is my first commit while in the class.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
maclobdell 0:f7c60d3e7b8a 1 /* mbed Microcontroller Library
maclobdell 0:f7c60d3e7b8a 2 * Copyright (c) 2006-2012 ARM Limited
maclobdell 0:f7c60d3e7b8a 3 *
maclobdell 0:f7c60d3e7b8a 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
maclobdell 0:f7c60d3e7b8a 5 * of this software and associated documentation files (the "Software"), to deal
maclobdell 0:f7c60d3e7b8a 6 * in the Software without restriction, including without limitation the rights
maclobdell 0:f7c60d3e7b8a 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
maclobdell 0:f7c60d3e7b8a 8 * copies of the Software, and to permit persons to whom the Software is
maclobdell 0:f7c60d3e7b8a 9 * furnished to do so, subject to the following conditions:
maclobdell 0:f7c60d3e7b8a 10 *
maclobdell 0:f7c60d3e7b8a 11 * The above copyright notice and this permission notice shall be included in
maclobdell 0:f7c60d3e7b8a 12 * all copies or substantial portions of the Software.
maclobdell 0:f7c60d3e7b8a 13 *
maclobdell 0:f7c60d3e7b8a 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
maclobdell 0:f7c60d3e7b8a 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
maclobdell 0:f7c60d3e7b8a 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
maclobdell 0:f7c60d3e7b8a 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
maclobdell 0:f7c60d3e7b8a 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
maclobdell 0:f7c60d3e7b8a 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
maclobdell 0:f7c60d3e7b8a 20 * SOFTWARE.
maclobdell 0:f7c60d3e7b8a 21 */
maclobdell 0:f7c60d3e7b8a 22 #include "Mutex.h"
maclobdell 0:f7c60d3e7b8a 23
maclobdell 0:f7c60d3e7b8a 24 #include <string.h>
maclobdell 0:f7c60d3e7b8a 25 #include "mbed_error.h"
maclobdell 0:f7c60d3e7b8a 26
maclobdell 0:f7c60d3e7b8a 27 namespace rtos {
maclobdell 0:f7c60d3e7b8a 28
maclobdell 0:f7c60d3e7b8a 29 Mutex::Mutex() {
maclobdell 0:f7c60d3e7b8a 30 #ifdef CMSIS_OS_RTX
maclobdell 0:f7c60d3e7b8a 31 memset(_mutex_data, 0, sizeof(_mutex_data));
maclobdell 0:f7c60d3e7b8a 32 _osMutexDef.mutex = _mutex_data;
maclobdell 0:f7c60d3e7b8a 33 #endif
maclobdell 0:f7c60d3e7b8a 34 _osMutexId = osMutexCreate(&_osMutexDef);
maclobdell 0:f7c60d3e7b8a 35 if (_osMutexId == NULL) {
maclobdell 0:f7c60d3e7b8a 36 error("Error initializing the mutex object\n");
maclobdell 0:f7c60d3e7b8a 37 }
maclobdell 0:f7c60d3e7b8a 38 }
maclobdell 0:f7c60d3e7b8a 39
maclobdell 0:f7c60d3e7b8a 40 osStatus Mutex::lock(uint32_t millisec) {
maclobdell 0:f7c60d3e7b8a 41 return osMutexWait(_osMutexId, millisec);
maclobdell 0:f7c60d3e7b8a 42 }
maclobdell 0:f7c60d3e7b8a 43
maclobdell 0:f7c60d3e7b8a 44 bool Mutex::trylock() {
maclobdell 0:f7c60d3e7b8a 45 return (osMutexWait(_osMutexId, 0) == osOK);
maclobdell 0:f7c60d3e7b8a 46 }
maclobdell 0:f7c60d3e7b8a 47
maclobdell 0:f7c60d3e7b8a 48 osStatus Mutex::unlock() {
maclobdell 0:f7c60d3e7b8a 49 return osMutexRelease(_osMutexId);
maclobdell 0:f7c60d3e7b8a 50 }
maclobdell 0:f7c60d3e7b8a 51
maclobdell 0:f7c60d3e7b8a 52 Mutex::~Mutex() {
maclobdell 0:f7c60d3e7b8a 53 osMutexDelete(_osMutexId);
maclobdell 0:f7c60d3e7b8a 54 }
maclobdell 0:f7c60d3e7b8a 55
maclobdell 0:f7c60d3e7b8a 56 }