HelenOS sources

system_clock      606 uspace/lib/cpp/include/__bits/chrono.hpp             using time_point = chrono::time_point<system_clock>;
system_clock      666 uspace/lib/cpp/include/__bits/chrono.hpp     using high_resolution_clock = system_clock;
system_clock      208 uspace/lib/cpp/src/__bits/test/future.cpp         res7 = f7.wait_until(std::chrono::system_clock::now() + 5ms);
system_clock      228 uspace/lib/cpp/src/__bits/test/future.cpp         auto res8 = f8.wait_until(std::chrono::system_clock::now() + 10ms);