unsigned long __cdecl Concurrency::details::_GetCurrentThreadId(void)

Mangled name

?_GetCurrentThreadId@details@Concurrency@@YAKXZ

Exported by

size	filename	version
421200	msvcp100.dll	10.00.30319.1
661448	msvcp110.dll	11.00.50727.1 built by: RTMREL
631616	msvcp100d.dll	10.00.21003.1