Why is the destructor of a future returned from `std::async` blocking?

Why is the destructor of a future returned from `std::async` blocking?

c++ multithreading c++11 asynchronous std

multithreading

How to use std::async on a member function?

c++ multithreading c++11 std

multithreading

Can you combine std::recursive_mutex with std::condition_variable?

c++ multithreading c++11 std recursive-mutex

multithreading

std::thread error (thread not member of std)

c++ multithreading gcc c++11 std

multithreading

I want to kill a std::thread using its thread object? [duplicate]

c++ multithreading c++11 std stdthread

multithreading

What is the difference between std::condition_variable and std::condition_variable_any?

c++ multithreading c++11 std condition-variable

multithreading

How to check if a std::async task is finished?

c++ multithreading asynchronous c++11 std

multithreading

std::thread <unresolved overloaded function type> error

c++ multithreading c++11 std stdthread

multithreading

What operations are thread-safe on std::map?

c++ multithreading dictionary std c++-standard-library

multithreading

C++ std::async run on main thread

c++ multithreading asynchronous c++11 std

multithreading

QThread vs std::thread

c++ multithreading qt std qthread

multithreading

Delete std::thread after calling join?

c++ multithreading c++11 std stdthread

multithreading

Threadpool implementation: condition_variables vs. yield()

c++ multithreading stl std condition-variable

multithreading

Thread safety of C++ std Containers

c++ multithreading std c++03

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error: static assertion failed: std::thread arguments must be invocable after conversion to rvalues

c++ linux multithreading std

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