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authorDavid Robillard <d@drobilla.net>2008-09-30 16:50:21 +0000
committerDavid Robillard <d@drobilla.net>2008-09-30 16:50:21 +0000
commit93850c202de8b073a1ce1dd8bd246d407bce4e2f (patch)
tree6910b135bf4eff12de1af116cef73f6e9c107cd0 /src/engine/ProcessSlave.cpp
parenta8bf5272d096de73507d2eab47f282c345f4ca8a (diff)
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Flatten ingen source directory heirarchy a bit.
git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@1551 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/engine/ProcessSlave.cpp')
-rw-r--r--src/engine/ProcessSlave.cpp75
1 files changed, 75 insertions, 0 deletions
diff --git a/src/engine/ProcessSlave.cpp b/src/engine/ProcessSlave.cpp
new file mode 100644
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+/* This file is part of Ingen.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ *
+ * Ingen 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.
+ *
+ * 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 General Public License for details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <iostream>
+#include "ProcessSlave.hpp"
+#include "NodeImpl.hpp"
+#include "CompiledPatch.hpp"
+
+using namespace std;
+
+namespace Ingen {
+
+
+uint32_t ProcessSlave::_next_id = 0;
+
+
+void
+ProcessSlave::_whipped()
+{
+ assert(_compiled_patch);
+ CompiledPatch* const cp = _compiled_patch;
+
+ /* Iterate over all nodes attempting to run immediately or block then run,
+ * until we've been through the entire array without getting a lock,
+ * and thus are finished this cycle.
+ */
+
+ size_t num_finished = 0; // Number of consecutive finished nodes hit
+
+ while (_state == STATE_RUNNING) {
+
+ CompiledNode& n = (*cp)[_index];
+
+ if (n.node()->process_lock()) {
+
+ n.node()->wait_for_input(n.n_providers());
+
+ n.node()->process(_process_context);
+
+ /* Signal dependants their input is ready */
+ for (size_t i=0; i < n.dependants().size(); ++i)
+ n.dependants()[i]->signal_input_ready();
+
+ num_finished = 1;
+ } else {
+ ++num_finished;
+ }
+
+ _index = (_index + 1) % cp->size();
+
+ if (num_finished >= cp->size())
+ break;
+ }
+
+ _index = 0;
+ _compiled_patch = NULL;
+ _state = STATE_FINISHED;
+}
+
+
+} // namespace Ingen