(Deprecated: Use dispatch
.)
Request the io_context
to invoke the given handler.
template< typename LegacyCompletionHandler> DEDUCED dispatch( LegacyCompletionHandler && handler);
This function is used to ask the io_context
to execute the given
handler.
The io_context
guarantees that the handler will only be called in a thread in which the
run()
,
run_one()
,
poll()
or poll_one()
member functions is currently being invoked. The handler may be executed
inside this function if the guarantee can be met.
The handler to be called. The io_context
will make a copy
of the handler object as required. The function signature of the
handler must be:
void handler();
This function throws an exception only if:
asio_handler_allocate
function; or
throws an exception.