void async_wait(implementation_type &impl, pid_type pid, Handler handler)
{
#if defined(BOOST_POSIX_API)
boost::unique_lock<boost::mutex> lock(work_thread_mutex_);
if (++pids_ == 1)
{
work_.reset(new boost::asio::io_service::work(
this->get_io_service()));
work_thread_ = boost::thread(
&basic_status_service<StatusImplementation>::work_thread,
this);
}
impl->async_wait(pid, this->get_io_service().wrap(handler));
#elif defined(BOOST_WINDOWS_API)
HANDLE handle = OpenProcess(SYNCHRONIZE | PROCESS_QUERY_INFORMATION,
FALSE, pid);
if (handle == NULL)
BOOST_PROCESS_THROW_LAST_SYSTEM_ERROR("OpenProcess() failed");
boost::unique_lock<boost::mutex> lock(work_thread_mutex_);
if (!work_)
work_.reset(new boost::asio::io_service::work(
this->get_io_service()));
interrupt_work_thread();
work_thread_cond_.wait(work_thread_mutex_);
handles_.push_back(handle);
impl->async_wait(handle, this->get_io_service().wrap(handler));
work_thread_cond_.notify_all();
#endif
}
void async_wait(
implementation_type& impl,
NotificationHandler handler)
{
basic_signal_callback h = handler;
if (is_process_thread())
{
impl->async_wait(h);
return;
}
apoa::get_process_io_service().post(
std::bind(
&signal_handler_base_impl::async_wait, impl.get(),
h));
}
