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/Semaphore.h@0:f7c60d3e7b8a, 2016-05-18 (annotated)

Committer:
maclobdell
Date:
Wed May 18 19:06:32 2016 +0000
Revision:
0:f7c60d3e7b8a
clean version

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 #ifndef SEMAPHORE_H
maclobdell 0:f7c60d3e7b8a 23 #define SEMAPHORE_H
maclobdell 0:f7c60d3e7b8a 24
maclobdell 0:f7c60d3e7b8a 25 #include <stdint.h>
maclobdell 0:f7c60d3e7b8a 26 #include "cmsis_os.h"
maclobdell 0:f7c60d3e7b8a 27
maclobdell 0:f7c60d3e7b8a 28 namespace rtos {
maclobdell 0:f7c60d3e7b8a 29
maclobdell 0:f7c60d3e7b8a 30 /** The Semaphore class is used to manage and protect access to a set of shared resources. */
maclobdell 0:f7c60d3e7b8a 31 class Semaphore {
maclobdell 0:f7c60d3e7b8a 32 public:
maclobdell 0:f7c60d3e7b8a 33 /** Create and Initialize a Semaphore object used for managing resources.
maclobdell 0:f7c60d3e7b8a 34 @param number of available resources; maximum index value is (count-1).
maclobdell 0:f7c60d3e7b8a 35 */
maclobdell 0:f7c60d3e7b8a 36 Semaphore(int32_t count);
maclobdell 0:f7c60d3e7b8a 37
maclobdell 0:f7c60d3e7b8a 38 /** Wait until a Semaphore resource becomes available.
maclobdell 0:f7c60d3e7b8a 39 @param millisec timeout value or 0 in case of no time-out. (default: osWaitForever).
maclobdell 0:f7c60d3e7b8a 40 @return number of available tokens, or -1 in case of incorrect parameters
maclobdell 0:f7c60d3e7b8a 41 */
maclobdell 0:f7c60d3e7b8a 42 int32_t wait(uint32_t millisec=osWaitForever);
maclobdell 0:f7c60d3e7b8a 43
maclobdell 0:f7c60d3e7b8a 44 /** Release a Semaphore resource that was obtain with Semaphore::wait.
maclobdell 0:f7c60d3e7b8a 45 @return status code that indicates the execution status of the function.
maclobdell 0:f7c60d3e7b8a 46 */
maclobdell 0:f7c60d3e7b8a 47 osStatus release(void);
maclobdell 0:f7c60d3e7b8a 48
maclobdell 0:f7c60d3e7b8a 49 ~Semaphore();
maclobdell 0:f7c60d3e7b8a 50
maclobdell 0:f7c60d3e7b8a 51 private:
maclobdell 0:f7c60d3e7b8a 52 osSemaphoreId _osSemaphoreId;
maclobdell 0:f7c60d3e7b8a 53 osSemaphoreDef_t _osSemaphoreDef;
maclobdell 0:f7c60d3e7b8a 54 #ifdef CMSIS_OS_RTX
maclobdell 0:f7c60d3e7b8a 55 uint32_t _semaphore_data[2];
maclobdell 0:f7c60d3e7b8a 56 #endif
maclobdell 0:f7c60d3e7b8a 57 };
maclobdell 0:f7c60d3e7b8a 58
maclobdell 0:f7c60d3e7b8a 59 }
maclobdell 0:f7c60d3e7b8a 60 #endif