Firmware
src
platforms
px4_sem.hpp
Go to the documentation of this file.
1
/****************************************************************************
2
*
3
* Copyright (c) 2016 PX4 Development Team. All rights reserved.
4
*
5
* Redistribution and use in source and binary forms, with or without
6
* modification, are permitted provided that the following conditions
7
* are met:
8
*
9
* 1. Redistributions of source code must retain the above copyright
10
* notice, this list of conditions and the following disclaimer.
11
* 2. Redistributions in binary form must reproduce the above copyright
12
* notice, this list of conditions and the following disclaimer in
13
* the documentation and/or other materials provided with the
14
* distribution.
15
* 3. Neither the name PX4 nor the names of its contributors may be
16
* used to endorse or promote products derived from this software
17
* without specific prior written permission.
18
*
19
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
22
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
23
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
24
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
25
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
26
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
27
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
29
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30
* POSSIBILITY OF SUCH DAMAGE.
31
*
32
****************************************************************************/
33
40
#pragma once
41
42
#include "
px4_sem.h
"
43
44
61
class
SmartLock
62
{
63
public
:
64
SmartLock
(px4_sem_t &sem) : _sem(sem) {
do
{}
while
(px4_sem_wait(&_sem) != 0); }
65
~
SmartLock
() { px4_sem_post(&_sem); }
66
private
:
67
px4_sem_t &_sem;
68
};
px4_sem.h
Synchronization primitive: Semaphore.
SmartLock
Definition:
px4_sem.hpp:61
Generated by
1.8.12