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diff --git a/src/thread/PosixCond.hxx b/src/thread/PosixCond.hxx
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+/*
+ * Copyright (C) 2009-2013 Max Kellermann <max@duempel.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
+ * FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef MPD_THREAD_POSIX_COND_HXX
+#define MPD_THREAD_POSIX_COND_HXX
+
+#include "PosixMutex.hxx"
+
+/**
+ * Low-level wrapper for a pthread_cond_t.
+ */
+class PosixCond {
+	pthread_cond_t cond;
+
+public:
+	constexpr PosixCond():cond(PTHREAD_COND_INITIALIZER) {}
+
+	PosixCond(const PosixCond &other) = delete;
+	PosixCond &operator=(const PosixCond &other) = delete;
+
+	void signal() {
+		pthread_cond_signal(&cond);
+	}
+
+	void broadcast() {
+		pthread_cond_broadcast(&cond);
+	}
+
+	void wait(PosixMutex &mutex) {
+		pthread_cond_wait(&cond, &mutex.mutex);
+	}
+};
+
+#endif