diff options
Diffstat (limited to 'extern/audaspace/src/util/Barrier.cpp')
-rw-r--r-- | extern/audaspace/src/util/Barrier.cpp | 42 |
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 |