perf: cache the result of thread_current_id() (#4425)
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@ -107,7 +107,8 @@ int cond_wait(void* vcond, void* vlock, struct timeval const* tv)
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unsigned long thread_current_id()
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{
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return std::hash<std::thread::id>()(std::this_thread::get_id());
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thread_local auto const hashed = std::hash<std::thread::id>()(std::this_thread::get_id());
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return hashed;
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}
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void initEvthreadsOnce()
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