HelenOS sources

root/uspace/lib/cpp/src/

[..]
__bits/ condition_variable.cpp exception.cpp future.cpp iomanip.cpp
ios.cpp iostream.cpp locale.cpp mutex.cpp new.cpp
refcount_obj.cpp shared_mutex.cpp stdexcept.cpp string.cpp system_error.cpp
thread.cpp typeindex.cpp typeinfo.cpp
[..]
HelenOS homepage, sources at GitHub