std::packaged_task<R(Args...)>::~packaged_task

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thread

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atomic_flag_waitatomic_flag_wait_explicit (C++20)(C++20)
atomic_flag_notify_one (C++20)
atomic_flag_notify_all (C++20)

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std::packaged_task

Member functions
packaged_task::packaged_task
packaged_task::~packaged_task
packaged_task::operator=
packaged_task::valid
packaged_task::swap
Getting the result
packaged_task::get_future
Execution
packaged_task::operator()
packaged_task::make_ready_at_thread_exit
packaged_task::reset
Non-member functions
swap(std::packaged_task)
Helper classes
uses_allocator<std::packaged_task> (until C++17)
Deduction guides(C++17)

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~packaged_task();

Abandons the shared state and destroys the stored task object.

As withstd::promise::~promise, if the shared state is abandoned before it was made ready, anstd::future_error exception is stored with the error codestd::future_errc::broken_promise).