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diff --git a/src/common/util/Condition.h b/src/common/util/Condition.h
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+/* This file is part of Ingen. Copyright (C) 2006 Dave Robillard.
+ *
+ * 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
+ */
+
+#ifndef CONDITION_H
+#define CONDITION_H
+
+#include <pthread.h>
+
+
+/** Trivial (but pretty) wrapper around POSIX Conditions (zero memory overhead).
+ *
+ * A semaphore that isn't a counter and is slow and NOT realtime safe.
+ */
+class Condition {
+public:
+ inline Condition() { pthread_cond_init(&_cond, NULL); }
+
+ inline ~Condition() { pthread_cond_destroy(&_cond); }
+
+ inline void signal() { pthread_cond_signal(&_cond); }
+ inline void wait(Mutex& mutex) { pthread_cond_wait(&_cond, &mutex._mutex); }
+
+private:
+ pthread_cond_t _cond;
+};
+
+
+#endif // CONDITION_H
+