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author | David Robillard <d@drobilla.net> | 2012-05-09 01:14:30 +0000 |
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committer | David Robillard <d@drobilla.net> | 2012-05-09 01:14:30 +0000 |
commit | baeb3c1872a989b69eb89fae04f93c59b06f258e (patch) | |
tree | 83720f9c7bad7ab26c910180d8caea2fd4cb7e70 /src/server/EventQueue.hpp | |
parent | 4d46a232b30be99bc34e581cbc636345f77c6bc4 (diff) | |
download | ingen-baeb3c1872a989b69eb89fae04f93c59b06f258e.tar.gz ingen-baeb3c1872a989b69eb89fae04f93c59b06f258e.tar.bz2 ingen-baeb3c1872a989b69eb89fae04f93c59b06f258e.zip |
Simply event interface design and make only one pre-process thread.
This makes event pre-processing actually safe for multiple interfaces since multiple events will never be pre-processed simultaneously and the pre-process order is definitely the same as the execute order.
git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@4323 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/server/EventQueue.hpp')
-rw-r--r-- | src/server/EventQueue.hpp | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/src/server/EventQueue.hpp b/src/server/EventQueue.hpp deleted file mode 100644 index edd6c6b4..00000000 --- a/src/server/EventQueue.hpp +++ /dev/null @@ -1,63 +0,0 @@ -/* - This file is part of Ingen. - Copyright 2007-2012 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_EVENTQUEUE_HPP -#define INGEN_ENGINE_EVENTQUEUE_HPP - -#include "raul/AtomicPtr.hpp" -#include "raul/Slave.hpp" - -#include "EventSink.hpp" -#include "EventSource.hpp" - -namespace Ingen { -namespace Server { - -class Event; -class PostProcessor; -class ProcessContext; - -/** An EventSource which prepares events in its own thread. - */ -class EventQueue : public EventSource - , public EventSink - , public Raul::Slave -{ -public: - explicit EventQueue(); - virtual ~EventQueue(); - - bool process(PostProcessor& dest, ProcessContext& context, bool limit=true); - - inline bool unprepared_events() const { return _prepared_back.get(); } - inline bool empty() const { return !_head.get(); } - -protected: - void event(Event* ev); - - virtual void _whipped(); ///< Prepare 1 event - -private: - Raul::AtomicPtr<Event> _head; - Raul::AtomicPtr<Event> _prepared_back; - Raul::AtomicPtr<Event> _tail; -}; - -} // namespace Server -} // namespace Ingen - -#endif // INGEN_ENGINE_EVENTQUEUE_HPP - |