future_error( std::error_code ec );

template< class Clock, class Duration > std::future_status wait_until(

void unlock();

Defined in header

condition_variable(); (1)

template< class Clock, class Duration > bool try_lock_shared_until(

void set_value_at_thread_exit( const R& value ); (1)

void lock();

template< class R, class Alloc > struct uses_allocator<s

template< class Clock, class Duration > bool try_lock_until(