Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is the documentation for a snapshot of the develop branch, built from commit 1a9dee13e7.
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ssl::stream::async_shutdown

Asynchronously shut down SSL on the stream.

template<
    typename ShutdownToken = DEFAULT>
DEDUCED async_shutdown(
    ShutdownToken && token = DEFAULT);

This function is used to asynchronously shut down SSL on the stream. It is an initiating function for an asynchronous operation, and always returns immediately.

Parameters

token

The completion token that will be used to produce a completion handler, which will be called when the shutdown completes. Potential completion tokens include use_future, use_awaitable, yield_context, or a function object with the correct completion signature. The function signature of the completion handler must be:

void handler(
  const boost::system::error_code& error // Result of operation.
);

Regardless of whether the asynchronous operation completes immediately or not, the completion handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using post.

Completion Signature
void(boost::system::error_code)
Per-Operation Cancellation

This asynchronous operation supports cancellation for the following cancellation_type values:

if they are also supported by the Stream type's async_read_some and async_write_some operations.


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