1 files changed, 42 insertions, 0 deletions
diff --git a/extern/audaspace/src/util/Barrier.cpp b/extern/audaspace/src/util/Barrier.cpp
new file mode 100644
index 00000000000..3347a38092b
--- /dev/null
+++ b/extern/audaspace/src/util/Barrier.cpp
@@ -0,0 +1,42 @@
+/*******************************************************************************
+* Copyright 2015-2016 Juan Francisco Crespo Galán
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*   http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+******************************************************************************/
+
+#include "util/Barrier.h"
+
+AUD_NAMESPACE_BEGIN
+Barrier::Barrier(unsigned int count) :
+	m_threshold(count), m_count(count), m_generation(0)
+{
+}
+
+Barrier::~Barrier()
+{
+}
+
+void Barrier::wait() 
+{
+	std::unique_lock<std::mutex> lck(m_mutex);
+	int gen = m_generation;
+	if(!--m_count) 
+	{
+		m_count = m_threshold;
+		m_generation++;
+		m_condition.notify_all();
+	}
+	else
+		m_condition.wait(lck, [this, gen] { return gen != m_generation; });
+}
+AUD_NAMESPACE_END
+\ No newline at end of file