036-parallel_for.cpp

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#include <iostream>
#include <mutex>
#include <thread>
#include <execution> // for C++ Standard Parallel Algorithm
 
#if defined(_MSVC_LANG)
 
    #include <ppl.h> // for Microsoft Parallel Pattern Library
    namespace ccy = concurrency; // ccy is short for namespace concurrency
#else // for GNU g++ / clang++ / Intel Compilers
 
    #include <tbb/tbb.h> // for Intel's Threading Building Blocks.
    namespace ccy = tbb; // ccy is short name for Threading Building Blocks
#endif
 
void test_parallel_for()
{
    std::mutex mutex;
    using lock_type = std::lock_guard<std::mutex>;
 
    auto callback = [&mutex](auto index)
    {
        lock_type lock(mutex);
 
        std::cout << "Thread ID: " << std::this_thread::get_id() 
            << "\tIndex = " << index << std::endl;
    };
 
    ccy::parallel_for(1, 11, callback);
}
 
int main()
{
    test_parallel_for();
}