Using the detach Method on thread - C++ Thread

Description

Using the detach Method on thread

Demo Code

#include <iostream>
#include <thread>

using namespace std;

void ThreadTask()
{
    for (unsigned int i = 0; i < 20; ++i)
    {/* w w  w  .j a v a 2s.co m*/
        cout << "Output from thread" << endl;
    }
}

int main(int argc, char* argv[])
{
    const unsigned int numberOfProcessors{ thread::hardware_concurrency() };

    cout << "This system can run " << numberOfProcessors << " concurrent tasks" << endl;

    if (numberOfProcessors > 1)
    {
        thread myThread{ ThreadTask };

        cout << "Output from main" << endl;

        myThread.detach();
    }
    else
    {
        cout << "CPU does not have multiple cores." << endl;
    }

    return 0;
}

Result

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• Creating a thread
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• Use thread::hardware_concurrency method to get the number of simultaneous threads supported
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