cpp-taskflow/examples/corun.cpp at master · feiyunwill/cpp-taskflow · GitHub

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// This example demonstrates how to use the corun method from a running worker

// of an executor to avoid deadlock.

#include <taskflow/taskflow.hpp>

int main(){

const size_t N = 100;

const size_t T = 1000;

// create an executor and a taskflow

tf::Executor executor(2);

tf::Taskflow taskflow;

std::array<tf::Taskflow, N> taskflows;

std::atomic<size_t> counter{0};

for(size_t n=0; n<N; n++) {

for(size_t i=0; i<T; i++) {

taskflows[n].emplace([&](){ counter++; });

}

taskflow.emplace([&executor, &tf=taskflows[n]](){

executor.corun(tf);

//executor.run(tf).wait(); <-- can result in deadlock

});

}

executor.run(taskflow).wait();

return 0;

}

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