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Dependencies:   C12832 EthernetInterface LM75B MMA7660 MQTT mbed-rtos mbed

Fork of IBMIoTClientEthernetExample by IBM Watson IoT

mbed-rtos/rtos/Mutex.h@8:80d49dd91542, 2014-10-01 (annotated)

Committer:
icraggs
Date:
Wed Oct 01 13:27:35 2014 +0000
Revision:
8:80d49dd91542
Parent:
6:37b6d0d56190 
Remove conditional compilation for IBM IoT settings

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samdanbury 6:37b6d0d56190 1 /* mbed Microcontroller Library
samdanbury 6:37b6d0d56190 2 * Copyright (c) 2006-2012 ARM Limited
samdanbury 6:37b6d0d56190 3 *
samdanbury 6:37b6d0d56190 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
samdanbury 6:37b6d0d56190 5 * of this software and associated documentation files (the "Software"), to deal
samdanbury 6:37b6d0d56190 6 * in the Software without restriction, including without limitation the rights
samdanbury 6:37b6d0d56190 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
samdanbury 6:37b6d0d56190 8 * copies of the Software, and to permit persons to whom the Software is
samdanbury 6:37b6d0d56190 9 * furnished to do so, subject to the following conditions:
samdanbury 6:37b6d0d56190 10 *
samdanbury 6:37b6d0d56190 11 * The above copyright notice and this permission notice shall be included in
samdanbury 6:37b6d0d56190 12 * all copies or substantial portions of the Software.
samdanbury 6:37b6d0d56190 13 *
samdanbury 6:37b6d0d56190 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
samdanbury 6:37b6d0d56190 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
samdanbury 6:37b6d0d56190 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
samdanbury 6:37b6d0d56190 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
samdanbury 6:37b6d0d56190 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
samdanbury 6:37b6d0d56190 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
samdanbury 6:37b6d0d56190 20 * SOFTWARE.
samdanbury 6:37b6d0d56190 21 */
samdanbury 6:37b6d0d56190 22 #ifndef MUTEX_H
samdanbury 6:37b6d0d56190 23 #define MUTEX_H
samdanbury 6:37b6d0d56190 24
samdanbury 6:37b6d0d56190 25 #include <stdint.h>
samdanbury 6:37b6d0d56190 26 #include "cmsis_os.h"
samdanbury 6:37b6d0d56190 27
samdanbury 6:37b6d0d56190 28 namespace rtos {
samdanbury 6:37b6d0d56190 29
samdanbury 6:37b6d0d56190 30 /** The Mutex class is used to synchronise the execution of threads.
samdanbury 6:37b6d0d56190 31 This is for example used to protect access to a shared resource.
samdanbury 6:37b6d0d56190 32 */
samdanbury 6:37b6d0d56190 33 class Mutex {
samdanbury 6:37b6d0d56190 34 public:
samdanbury 6:37b6d0d56190 35 /** Create and Initialize a Mutex object */
samdanbury 6:37b6d0d56190 36 Mutex();
samdanbury 6:37b6d0d56190 37
samdanbury 6:37b6d0d56190 38 /** Wait until a Mutex becomes available.
samdanbury 6:37b6d0d56190 39 @param millisec timeout value or 0 in case of no time-out. (default: osWaitForever)
samdanbury 6:37b6d0d56190 40 @return status code that indicates the execution status of the function.
samdanbury 6:37b6d0d56190 41 */
samdanbury 6:37b6d0d56190 42 osStatus lock(uint32_t millisec=osWaitForever);
samdanbury 6:37b6d0d56190 43
samdanbury 6:37b6d0d56190 44 /** Try to lock the mutex, and return immediately
samdanbury 6:37b6d0d56190 45 @return true if the mutex was acquired, false otherwise.
samdanbury 6:37b6d0d56190 46 */
samdanbury 6:37b6d0d56190 47 bool trylock();
samdanbury 6:37b6d0d56190 48
samdanbury 6:37b6d0d56190 49 /** Unlock the mutex that has previously been locked by the same thread
samdanbury 6:37b6d0d56190 50 @return status code that indicates the execution status of the function.
samdanbury 6:37b6d0d56190 51 */
samdanbury 6:37b6d0d56190 52 osStatus unlock();
samdanbury 6:37b6d0d56190 53
samdanbury 6:37b6d0d56190 54 ~Mutex();
samdanbury 6:37b6d0d56190 55
samdanbury 6:37b6d0d56190 56 private:
samdanbury 6:37b6d0d56190 57 osMutexId _osMutexId;
samdanbury 6:37b6d0d56190 58 osMutexDef_t _osMutexDef;
samdanbury 6:37b6d0d56190 59 #ifdef CMSIS_OS_RTX
samdanbury 6:37b6d0d56190 60 int32_t _mutex_data[3];
samdanbury 6:37b6d0d56190 61 #endif
samdanbury 6:37b6d0d56190 62 };
samdanbury 6:37b6d0d56190 63
samdanbury 6:37b6d0d56190 64 }
samdanbury 6:37b6d0d56190 65 #endif