1 files changed, 68 insertions, 0 deletions
diff --git a/src/server/ThreadManager.hpp b/src/server/ThreadManager.hpp
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--- /dev/null
+++ b/src/server/ThreadManager.hpp
@@ -0,0 +1,68 @@
+/*
+  This file is part of Ingen.
+  Copyright 2007-2015 David Robillard <http://drobilla.net/>
+
+  Ingen is free software: you can redistribute it and/or modify it under the
+  terms of the GNU Affero General Public License as published by the Free
+  Software Foundation, either version 3 of the License, or any later version.
+
+  Ingen 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 Affero General Public License for details.
+
+  You should have received a copy of the GNU Affero General Public License
+  along with Ingen.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef INGEN_ENGINE_THREADMANAGER_HPP
+#define INGEN_ENGINE_THREADMANAGER_HPP
+
+#include <cassert>
+
+#include "ingen/ingen.h"
+
+#include "util.hpp"
+
+namespace ingen {
+namespace server {
+
+enum ThreadFlag {
+	THREAD_IS_REAL_TIME = 1,
+	THREAD_PRE_PROCESS  = 1 << 1,
+	THREAD_PROCESS      = 1 << 2,
+	THREAD_MESSAGE      = 1 << 3,
+};
+
+class INGEN_API ThreadManager {
+public:
+	static inline void set_flag(ThreadFlag f) {
+#ifndef NDEBUG
+		flags = ((unsigned)flags | f);
+#endif
+	}
+
+	static inline void unset_flag(ThreadFlag f) {
+#ifndef NDEBUG
+		flags = ((unsigned)flags & (~f));
+#endif
+	}
+
+	static inline void assert_thread(ThreadFlag f) {
+		assert(single_threaded || (flags & f));
+	}
+
+	static inline void assert_not_thread(ThreadFlag f) {
+		assert(single_threaded || !(flags & f));
+	}
+
+	/** Set to true during initialisation so ensure_thread doesn't fail.
+	 * Defined in Engine.cpp
+	 */
+	static bool                        single_threaded;
+	static INGEN_THREAD_LOCAL unsigned flags;
+};
+
+} // namespace server
+} // namespace ingen
+
+#endif // INGEN_ENGINE_THREADMANAGER_HPP