C++ 如何使用 boost 异步执行两个线程？
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How can I execute two threads asynchronously using boost?
提问by user997112
I have the book "beyond the C++ standard library" and there are no examples of multithreading using boost. Would somebody be kind enough to show me a simple example where two threads are executed using boost- lets say asynchronously?
我有书“超越 C++ 标准库”，并且没有使用 boost 的多线程示例。有人会很友好地向我展示一个简单的例子，其中使用 boost 执行两个线程——比如说异步？
回答by Alex F
This is my minimal Boost threading example.
这是我最小的 Boost 线程示例。
#include <boost/thread.hpp>
#include <iostream>
using namespace std;
void ThreadFunction()
{
int counter = 0;
for(;;)
{
cout << "thread iteration " << ++counter << " Press Enter to stop" << endl;
try
{
// Sleep and check for interrupt.
// To check for interrupt without sleep,
// use boost::this_thread::interruption_point()
// which also throws boost::thread_interrupted
boost::this_thread::sleep(boost::posix_time::milliseconds(500));
}
catch(boost::thread_interrupted&)
{
cout << "Thread is stopped" << endl;
return;
}
}
}
int main()
{
// Start thread
boost::thread t(&ThreadFunction);
// Wait for Enter
char ch;
cin.get(ch);
// Ask thread to stop
t.interrupt();
// Join - wait when thread actually exits
t.join();
cout << "main: thread ended" << endl;
return 0;
}
