boost线程池的先进先出、后进先出、优先级

最新推荐文章于 2024-03-22 09:33:41 发布

jianhai1229

最新推荐文章于 2024-03-22 09:33:41 发布

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本文链接：https://blog.youkuaiyun.com/jianhai1229/article/details/82416204

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#include <./boost/threadpool.hpp>

using namespace std;

using namespace boost::threadpool;

// Helpers

boost::mutex m_io_monitor;

void print(string text)

{

boost::mutex::scoped_lock lock(m_io_monitor);

cout << text;

}

template<typename T>

string to_string(T const & value)

{

ostringstream ost;

ost << value;

ost.flush();

return ost.str();

}

// An example task functions

void task_1()

{

Sleep(3000);

print(" task_1()\n");

}

void task_2()

{

Sleep(3000);

print(" task_2()\n");

//Sleep(10000);

}

void task_3()

{

print(" task_3()\n");

}

int task_4()

{

print(" task_4()\n");

return 4;

}

void task_with_parameter(int value)

{

Sleep(3000);

print(" task_with_parameter(" + to_string(value) + ")\n");

}

int loops = 0;

bool looped_task()

{

print(" looped_task()\n");

return ++loops < 5;

}

int task_int()

{

print(" task_int()\n");

return 23;

}

void fifo_pool_test()

{

pool tp;

tp.schedule(&task_1);

tp.schedule(boost::bind(task_with_parameter, 4));

if(!tp.empty())

{

tp.clear(); // remove all tasks -> no output in this test

}

size_t active_threads = tp.active();

size_t pending_threads = tp.pending();

size_t total_threads = tp.size();

size_t dummy = active_threads + pending_threads + total_threads;

dummy++;

tp.size_controller().resize(5);

tp.wait();

}

void lifo_pool_test()

{

lifo_pool tp;

tp.size_controller().resize(0);

schedule(tp, &task_1);

tp.size_controller().resize(10);

tp.wait();

}

void prio_pool_test()

{

prio_pool tp(2);

schedule(tp, prio_task_func(1, &task_1));

schedule(tp, prio_task_func(10,&task_2));

tp.schedule(prio_task_func(3000,boost::bind(task_with_parameter, 4)));

tp.schedule(prio_task_func(3500,boost::bind(task_with_parameter, 5)));

tp.schedule(prio_task_func(3600,boost::bind(task_with_parameter, 6)));

tp.schedule(prio_task_func(3900,boost::bind(task_with_parameter, 9)));

tp.schedule(prio_task_func(5000,boost::bind(task_with_parameter, 10)));

tp.schedule(prio_task_func(8000,boost::bind(task_with_parameter, 11)));