Add abstraction of io_{context,service} and use it as appropriate.

1 files changed, 65 insertions, 0 deletions

diff --git a/src/lib/io_context.h b/src/lib/io_context.h
new file mode 100644
index 000000000..0b56e2774
--- /dev/null
+++ b/src/lib/io_context.h
@@ -0,0 +1,65 @@
+/*
+    Copyright (C) 2025 Carl Hetherington <cth@carlh.net>
+
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    DCP-o-matic is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+
+#ifndef DCPOMATIC_IO_CONTEXT_H
+#define DCPOMATIC_IO_CONTEXT_H
+
+
+#include <boost/asio.hpp>
+
+
+namespace dcpomatic {
+
+#ifdef DCPOMATIC_HAVE_BOOST_ASIO_IO_CONTEXT
+
+using io_context = boost::asio::io_context;
+using work_guard = boost::asio::executor_work_guard<boost::asio::io_context::executor_type>;
+
+template <typename T>
+void post(io_context& context, T handler)
+{
+	boost::asio::post(context, handler);
+}
+
+work_guard
+make_work_guard(io_context& context);
+
+#else
+
+using io_context = boost::asio::io_service;
+using work_guard = boost::asio::io_service::work;
+
+template <typename T>
+void post(io_context& context, T handler)
+{
+	context.post(handler);
+}
+
+work_guard
+make_work_guard(io_context& context);
+
+#endif
+
+}
+
+
+#endif
+