blob: 74051902c3bc554c0f855feb17c43ac97e818510 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
/*******************************************************************************
* Copyright 2015-2016 Juan Francisco Crespo Galán
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
#include "util/ThreadPool.h"
AUD_NAMESPACE_BEGIN
ThreadPool::ThreadPool(unsigned int count) :
m_stopFlag(false), m_numThreads(count)
{
for(unsigned int i = 0; i < count; i++)
m_threads.emplace_back(&ThreadPool::threadFunction, this);
}
ThreadPool::~ThreadPool()
{
m_mutex.lock();
m_stopFlag = true;
m_mutex.unlock();
m_condition.notify_all();
for(unsigned int i = 0; i < m_threads.size(); i++)
m_threads[i].join();
}
unsigned int ThreadPool::getNumOfThreads()
{
return m_numThreads;
}
void ThreadPool::threadFunction()
{
while(true)
{
std::function<void()> task;
{
std::unique_lock<std::mutex> lock(m_mutex);
m_condition.wait(lock, [this] { return m_stopFlag || !m_queue.empty(); });
if(m_stopFlag && m_queue.empty())
return;
task = std::move(m_queue.front());
this->m_queue.pop();
}
task();
}
}
AUD_NAMESPACE_END
|
