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
|
// The program demonstrates how to create asynchronous task
// from a running subflow.
#include <taskflow/taskflow.hpp>
int main() {
tf::Taskflow taskflow("Subflow Async");
tf::Executor executor;
std::atomic<int> counter{0};
taskflow.emplace([&](tf::Runtime& rt){
for(int i=0; i<10; i++) {
// Here, we use "silent_async" instead of "async" because we do
// not care the return value. The method "silent_async" gives us
// less overhead compared to "async".
// The 10 asynchronous tasks run concurrently.
rt.silent_async([&](){
std::cout << "async task from the subflow\n";
counter.fetch_add(1, std::memory_order_relaxed);
});
}
rt.corun_all();
std::cout << counter << " = 10\n";
});
executor.run(taskflow).wait();
return 0;
}
|