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author | Arnur Nigmetov <nigmetov@tugraz.at> | 2019-12-03 21:14:03 +0100 |
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committer | Arnur Nigmetov <nigmetov@tugraz.at> | 2019-12-03 21:14:03 +0100 |
commit | 185378614231d1f4b04cf72ec785896cbdd43e39 (patch) | |
tree | cf41c156e9f62ab54418fbe12c9a6cc46f59e1ee /matching/include/spdlog/details/null_mutex.h | |
parent | 042cacaebfe278fc0c070edabcf4d3d01c071e32 (diff) |
Add matching distance code.
Diffstat (limited to 'matching/include/spdlog/details/null_mutex.h')
-rw-r--r-- | matching/include/spdlog/details/null_mutex.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/matching/include/spdlog/details/null_mutex.h b/matching/include/spdlog/details/null_mutex.h new file mode 100644 index 0000000..3f495bd --- /dev/null +++ b/matching/include/spdlog/details/null_mutex.h @@ -0,0 +1,45 @@ +// +// Copyright(c) 2015 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// + +#pragma once + +#include <atomic> +// null, no cost dummy "mutex" and dummy "atomic" int + +namespace spdlog { +namespace details { +struct null_mutex +{ + void lock() {} + void unlock() {} + bool try_lock() + { + return true; + } +}; + +struct null_atomic_int +{ + int value; + null_atomic_int() = default; + + explicit null_atomic_int(int val) + : value(val) + { + } + + int load(std::memory_order) const + { + return value; + } + + void store(int val) + { + value = val; + } +}; + +} // namespace details +} // namespace spdlog |