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author | Campbell Barton <ideasman42@gmail.com> | 2017-10-09 12:49:27 +0300 |
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committer | Campbell Barton <ideasman42@gmail.com> | 2017-10-09 12:49:27 +0300 |
commit | a5b4b0f21c1ae8c96e4fea9abdcfac2fab1cf300 (patch) | |
tree | 0658d8bdfb8ec03652aa04f82ee8a4d243ec6370 /extern/audaspace/src/util/Barrier.cpp | |
parent | d68f698cf0321477c0734474150eb4bc43c4e85f (diff) | |
parent | abcda06934aba054de8540b66b13c2bbc5f8f515 (diff) |
Merge branch '28' into custom-manipulatorscustom-manipulators
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
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