Managing Thread Lifetime
This lesson gives an overview of how to use the join and detach functions to properly end thread execution in C++.
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The parent has to take care of its children - a simple principle that has significant consequences for the lifetime of a thread. This small program starts a thread that displays its ID:
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// threadWithoutJoin.cpp#include <iostream>#include <thread>int main(){std::thread t([]{std::cout << std::this_thread::get_id() << std::endl;});}
But the program will not print the ID. What’s the reason for this exception? Let’s figure it out!
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