std::future<T>::~future

From cppreference.com
< cpp‎ | thread‎ | future
 
 
Concurrency support library
Threads
(C++11)
(C++20)
this_thread namespace
(C++11)
(C++11)
(C++11)
Cooperative cancellation
Mutual exclusion
(C++11)
Generic lock management
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
Condition variables
(C++11)
Semaphores
Latches and Barriers
(C++20)
(C++20)
Futures
(C++11)
(C++11)
(C++11)
(C++11)
Safe Reclamation
(C++26)
Hazard Pointers
Atomic types
(C++11)
(C++20)
Initialization of atomic types
(C++11)(deprecated in C++20)
(C++11)(deprecated in C++20)
Memory ordering
Free functions for atomic operations
Free functions for atomic flags
 
 
~future();
(since C++11)

Releases any shared state. This means:

  • If the current object holds the last reference to its shared state, the shared state is destroyed.
  • The current object gives up its reference to its shared state.
  • These actions will not block for the shared state to become ready, except that they may block if all following conditions are satisfied:
    • The shared state was created by a call to std::async.
    • The shared state is not yet ready.
    • The current object was the last reference to the shared state.
(since C++14)