void task_io_service::post(Handler handler)
{
// Allocate and construct an operation to wrap the handler.
typedef completion_handler<Handler> op;
typename op::ptr p = { boost::addressof(handler),
asio_handler_alloc_helpers::allocate(
sizeof(op), handler), 0 };
p.p = new (p.v) op(handler);
post_immediate_completion(p.p);
p.v = p.p = 0;
}
void win_iocp_io_service::post(Handler& handler)
{
// Allocate and construct an operation to wrap the handler.
typedef completion_handler<Handler> op;
typename op::ptr p = { boost::asio::detail::addressof(handler),
boost_asio_handler_alloc_helpers::allocate(
sizeof(op), handler), 0 };
p.p = new (p.v) op(handler);
BOOST_ASIO_HANDLER_CREATION((p.p, "io_service", this, "post"));
post_immediate_completion(p.p, false);
p.v = p.p = 0;
}
void task_io_service::post(Handler& handler)
{
bool is_continuation =
asio_handler_cont_helpers::is_continuation(handler);
// Allocate and construct an operation to wrap the handler.
typedef completion_handler<Handler> op;
typename op::ptr p = { asio::detail::addressof(handler),
asio_handler_alloc_helpers::allocate(
sizeof(op), handler), 0 };
p.p = new (p.v) op(handler);
ASIO_HANDLER_CREATION((p.p, "io_service", this, "post"));
post_immediate_completion(p.p, is_continuation);
p.v = p.p = 0;
}
void win_iocp_io_service::schedule_timer(timer_queue<Time_Traits>& queue,
const typename Time_Traits::time_type& time,
typename timer_queue<Time_Traits>::per_timer_data& timer, wait_op* op)
{
// If the service has been shut down we silently discard the timer.
if (::InterlockedExchangeAdd(&shutdown_, 0) != 0)
{
post_immediate_completion(op, false);
return;
}
mutex::scoped_lock lock(dispatch_mutex_);
bool earliest = queue.enqueue_timer(time, timer, op);
work_started();
if (earliest)
update_timeout();
}
void win_iocp_io_service::dispatch(Handler& handler)
{
if (thread_call_stack::contains(this))
{
fenced_block b(fenced_block::full);
boost_asio_handler_invoke_helpers::invoke(handler, handler);
}
else
{
// Allocate and construct an operation to wrap the handler.
typedef completion_handler<Handler> op;
typename op::ptr p = { boost::asio::detail::addressof(handler),
boost_asio_handler_alloc_helpers::allocate(
sizeof(op), handler), 0 };
p.p = new (p.v) op(handler);
BOOST_ASIO_HANDLER_CREATION((p.p, "io_service", this, "dispatch"));
post_immediate_completion(p.p, false);
p.v = p.p = 0;
}
}
